Answer:
Halogens
Explanation:
Matter is defined as a substance which has mass and occupies volume. The three states of matter are solid, liquid and gas.
Elements which are present in group 17 are known as halogens.
Elements present in this group are fluorine, chlorine, bromine and iodine.
At room temperature, both fluorine and chlorine exists as a gas.
Bromine exists as a liquid and iodine exists as a solid.
Therefore, we can conclude that halogen groups are likely to have elements in three states of matter.
How many moles of potassium in 73.56g of potassium chlorate (V) (KClO 3 )?
Answer:
Approximately [tex]0.6003\; \rm mol[/tex] formula units.
Explanation:
Formula Mass of KClO₃Look up the relative atomic mass data for [tex]\rm K[/tex], [tex]\rm Cl[/tex], and [tex]\rm O[/tex] on a modern periodic table:
[tex]\rm K[/tex]: [tex]39.908[/tex].[tex]\rm Cl[/tex]: [tex]35.45[/tex].[tex]\rm O[/tex]: [tex]15.999[/tex].The relative atomic mass of an element is numerically equal to the mass (in grams) of one mole of its atoms. For example, the relative atomic mass of [tex]\rm K[/tex] is [tex]39.908[/tex]. Therefore, the mass of one mole of [tex]\rm K\![/tex] atoms should be [tex]39.908\; \rm g[/tex].
Each [tex]\rm KClO_3[/tex] "formula" unit includes one [tex]\rm K[/tex] atom, one [tex]\rm Cl[/tex] atom, and three [tex]\rm O[/tex] atoms. Therefore, one mole of [tex]\rm KClO_3\![/tex] formula units would include:
one mole of [tex]\rm K[/tex] atoms, one mole of [tex]\rm Cl[/tex] atoms, and three moles of [tex]\rm O[/tex] atoms.From the relative atomic mass of these three elements:
The mass of one mole of [tex]\rm K[/tex] atoms would be [tex]39.908\; \rm g[/tex].The mass of one mole of [tex]\rm Cl[/tex] atoms would be [tex]35.45\; \rm g[/tex].The mass of three moles of [tex]\rm O[/tex] atoms would be [tex]3 \times 15.999\; \rm g = 47.997\; \rm g[/tex].Combining these three parts should give the mass of one mole of [tex]\rm KClO_3[/tex] formula units:
[tex]\begin{aligned}& M(\mathrm{KClO_3}) \\ &= 39.908 + 35.45 + 3 \times 15.999 \\ &= 122.545\; \rm g \cdot mol^{-1}\end{aligned}[/tex].
Number of moles of KClO₃ formula units in the sampleThe formula mass of [tex]\rm KClO_3[/tex] is [tex]M(\mathrm{KClO_3}) = 122.545\; \rm g \cdot mol^{-1}[/tex], meaning that the mass of one mole of [tex]\rm KClO_3\![/tex] formula units would be [tex]122.545\; \rm g\![/tex].
The mass of this [tex]\rm KClO_3\!\![/tex] sample is [tex]m(\mathrm{KClO_3}) = 73.56\; \rm g[/tex]. The number of moles of formula [tex]\rm KClO_3\![/tex] units in this sample would be:
[tex]\begin{aligned}n(\mathrm{KClO_3}) &= \frac{m(\mathrm{KClO_3})}{M(\mathrm{KClO_3})} \\ &= \frac{73.56\; \rm g}{122.545\; \rm g \cdot mol^{-1}} \approx 0.6003\; \rm mol\end{aligned}[/tex].
To know the exact number of mole of potassium (K) in 73.56 g of potassium chlorate (v), KClO₃ do the following:
Step 1:Determination of the number of mole in 73.56 g of potassium chlorate (v), KClO₃
Mass of KClO₃ = 73.56 g
Molar mass of KClO₃ = 39 + 35.5 + (16×3)
= 39 + 35.5 + 48
= 122.5 g/mol
Mole of KClO₃ =?[tex]Mole =\frac{mass}{molar mass}\\\\Mol KClO_{3} = \frac{73.56}{122.5}[/tex]
Mole of KClO₃ = 0.6 moleStep 2:Determination of the number of mole of potassium, K in 0.6 mole (i.e 73.56 g) of KClO₃
Considering the molecular formula of potassium chlorate (v), KClO₃, we can see that:
1 mole of KClO₃ contains 1 mole of K.
Therefore, 0.6 mole of KClO₃ will also contain 0.6 mole of K.
Therefore, we can conclude that 73.56 g of KClO₃ contains 0.6 mole of potassium, K.
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What three things are required for a fire to start?
When a substance's particles are packed together tightly and have a definite shape and
volume...it is said to be in what state?
solid
gas
plasma
liquid
Answer:
solid
Explanation:
you just got home from a run on a hot Atlanta afternoon. you grab a 1.00-liter bottle of water and drink three-quarters of it in one swig. How many moles of water did you consume?
Answer:
41.67 mol
Explanation:
1 Litre of water = 1000g
Mole = mass / molar mass
Mass of 1 L of water = 1000 g
Molar mass of water (H2O) :
(H = 1, O = 16)
H2O = (1 * 2) + 16 = (2 + 16) = 18g/mol
Amount of water consumed = (3/4) of 1 litre
= (3/4) * 1000g
= 750g
Therefore mass of water consumed = 750g
Mole = 750g / 18g/mol
Mole of water consumed = 41.6666
= 41.67 mol
why is an element considered a pure substance
Answer:
Because they cannot be separated into more then one type of substance.
Explanation:
Answer:
Elements are made of only one kind of atom. The particles can be a single atom or a molecule made of only one kind of atom. There is no physical change that can separate elements into more than one kind of substance. This makes an element a pure substance.An element is made up of only one type of atom. An element cannot be broken down into a simpler form.
Levi decides to examine the effect of fertilizer on the growth of tomato plants. He chooses four plants for his experiment and applies varying amounts of fertilizer to three of them. He does not apply fertilizer to one plant. Over a 15-day period, the plants receive fertilizer on Days 1, 4, 7, 10, and 13. Levi measures the height of all of his plants with a meter stick on days 3, 6, 9, 12, and 15. He also makes sure to hold all experimental factors constant except for the fertilizer.
Where should the independent and dependent variables of Levi's experiment be placed when graphed?
Select all that apply.
the amount of fertilizer;y-axis
plant height;x-axis
the amount of fertilizer;x-axis
plant height; y-axis
Answer:
the amount of fertilizer; x-axis
plant height; y-axis
Explanation:
The independent and dependent variables of Levi's experiment placed when graphed are the amount of fertilizer and the y-axis. Option B is correct.
What are independent and dependent variables?The independent variables are those which are not dependent on other factors for their working or cannot be influenced by any other factor and the dependent variable is just the opposite of this one.
The experiment depends on the height of the plant but the fertilizer is independent of to work of the plant and fertilizer is independent and high and depends on other factors.
Therefore, Option B is correct. independent and dependent variables of Levi's experiment placed when graphed are the amount of fertilizer and the y-axis.
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In common speech, some people may use the terms hypothesis and theory interchangeably. In science, however, the terms have different meanings. What do you think is an important difference between a hypothesis and a theory?
Answer: In science, a hypothesis is a possible explanation for an observation, while a theory is an explanation that is supported by a large body of evidence.
Explanation: exact answer
Ou Esaplain different form
of oxygen?
Answer:
oxygen is the chemical element with the atomic number is 8 and the symbol is o its known as called oxygen.
Explanation:
Oxygen is the most third element in the universe at they standard and temperature and pressure,and oxides most elements as other compounds.
Oxygen gas is the earth atmosphere is 21%, an oxygen is the half of the earth crust in form of oxide,oxygen is liquid and solid gas.
Oxygen atoms such as proteins and acids, fats the major organic compounds, oxygen as component of the water and carbon dioxide.
Oxygen has many characteristics :- properties and molecular structure:-
this is a pressure and temperature with molecular formula referred as oxygen,simply describe a double bond and molecular orbits.
Physical properties:- oxygen is highly substance and must be combustible materials, oxygen may also from using a liquid nitrogen coolant, molecular oxygen is the associated with the process of air glow.
Stellar origin :- all of the remaining to half lives to the majority of are less then milliseconds.
Occurrence:- oxygen is the process part of the element in the earth crust, free oxygen is also occurs in the world bodies.
Analysis :- analysis to the structure of vegetation and the carbon cycle on a global scale.
methyl phenolphthalein and litmus
Answer:
Both are the indicators which helps to identity the acid and base
Answer:
Types of indicators which show if the solution is an acid , alkali or a natural
Explanation:
You add one of two drops of the indicator into a solution and then it would be in a scale from red to purple and this is called a PH scale which shows if it's an acid, alkali or a natural solution red being a strong acid with the PH number of one , green being a natural solution with the PH number of 7 and an alkali being purple with the PH number of 14
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Given that the density of air is 14.4, then the vapour of sulphur IV oxide is A. 16 B. 32 C. 64 D. 128
Thank you.
Answer:
32
Explanation:
The vapour density of a gas is the number of times a given volume of gas or vapour is as heavy as the same volume of hydrogen at a particular temperature and pressure.
Vapour density = 2 × relative molecular mass of the gas or vapour
Relative molecular mass of SO2 = 32 + 2(16) = 64
Hence;
Vapour density of SO2 = 64/2
Vapour density of SO2 = 32
how much of the excess reactant remains unchanged?
how much N2 is formed? (in mol)
how much H2O is firmed? (in mol)
Answer:
1. The limiting reactant is H2O2.
2. The amount of excess reactant, N2H4 that remain unchanged is 11.15 moles.
3. 1.65 moles of N2.
4. 6.6 moles of H2O.
Explanation:
We'll begin by writing the balanced equation for the reaction. This is given below:
N2H4 + 2H2O2 —> N2 + 4H2O
From the balanced equation above,
1 mole of N2H4 reacted with 2 moles of H2O2 to produce 1 mole of N2 and 4 moles of H2O.
1. Determination of the limiting reactant.
From the balanced equation above,
1 mole of N2H4 reacted with 2 moles of H2O2.
Therefore, 12.8 moles of N2H4 will react with = 12.8 x 2 = 25.6 moles of H2O2.
From the calculations made above, we can see that it will take a higher amount i.e 25.6 moles than what was given i.e 3.3 moles of H2O2 to react completely with 12.8 moles of N2H4.
Therefore, H2O2 is the limiting reactant and N2H4 is the excess reactant.
2. Determination of the excess reactant that remain unchanged.
The excess reactant is N2H4.
First, we shall determine the amount of the excess reactant that reacted. This is illustrated below:
From the balanced equation above,
1 mole of N2H4 reacted with 2 moles of H2O2.
Therefore, Xmol of N2H4 will react with 3.3 moles of H2O2 i.e
Xmol of N2H4 = (1 x 3.3)/2
Xmol of N2H4 = 1.65 moles
Therefore, 1.65 moles of N2H4 reacted.
Now, we shall determine the excess reactant that remain unchanged. This can be obtained as follow:
Amount of N2H4 given = 12.8 moles
Amount of N2H4 that reacted = 1.65 moles.
Amount of N2H4 that remain unchanged =?
Amount of N2H4 that remain unchanged = (Amount of N2H4 given) – (Amount of N2H4 that reacted = 1.65 moles)
Amount of N2H4 that remain unchanged = 12.8 – 1.65
Amount of N2H4 that remain unchanged = 11.15 moles.
3. Determination of the amount of N2 produced.
In this case, the limiting reactant will be used because it will give the maximum yield of N2 as all of it is used up in the reaction.
The limiting reactant is H2O2 and the amount of N2 produced can be obtained as follow:
From the balanced equation above,
2 moles of H2O2 reacted to produce 1 mole of N2.
Therefore, 3.3 moles of H2O2 will react to produce = (3.3 x 1)/2 = 1.65 moles of N2.
Therefore, 1.65 moles of N2 were obtained from the reaction.
4. Determination of the amount of H2O produced.
In this case, the limiting reactant will be used because it will give the maximum yield of H2O as all of it is used up in the reaction.
The limiting reactant is H2O2 and the amount of H2O produced can be obtained as follow:
From the balanced equation above,
2 moles of H2O2 reacted to produce 4 moles of H2O.
Therefore, 3.3 moles of H2O2 will react to produce = (3.3 x 4)/2 = 6.6 moles of H2O.
Therefore, 6.6 moles of H2O were produced from the reaction.
How many moles are present in 136 grams of MgCl2? 1.46 mol 1.43 mol 2.27 mol
Answer:
1.43 mol
Explanation:
What is Entropy?
A. The opposite of Enthalpy
B. The temperature at which a reaction is feasible.
C. Free energy used for a reaction.
D. A measure of disorder,
Answer:
D.) A measure of disorder
Explanation:
I got it correct on founders edtell
Iron and aluminum are examples of
Answer:
Iron and aluminum are both examples of metals that are used commonly in everyday life.
100 cm^3 of oxygen diffuses through a Porous in 3second how long will it take 150 cm^3 of sulphur (iv) oxide diffuse through the same pot? ( oxygen= 16 sulphur = 32)
Answer:
3.18 seconds
Explanation:
Given the following :
Volume of oxygen (V1) = 100cm^3
Time taken (t1) = 3 seconds
Volume of Sulphur (iv) oxide (v2) = 150cm^3
From Graham's Law of diffusion:
(r1/r2) = √(m1/m2)
Where r = rate of diffusion
m = molar mass
Note rate (r) = (volume / time)
[(V1/t1) ÷ (v2/t2)] = √(m1/m2)
(v1/t1) * (t2/v2) = √(m1/m2)
m1 = 02 = (16 * 2) = 32
m2 = SO2 = (32 + (16 * 2)) = 64
(100/3) * (t2/150) = √(32/64)
100t2 / 450 = √(32/64)
100t2 / 450 = √32 / 8
100t2 / 450 = √32 / 8
100t2 * 8 = 450 * √32
800t2 = 2545.5844
t2 = 2545.5844 / 800
t2 = 3.1819805
t2 = 3.18 seconds
It will take 3.18s for 150cm^3 of Sulphur (iv) oxide to diffuse through the same pot.
Charles is given two electrical conductors – aluminium and graphite. Help him to select one for making an electric wire. Justify your reason.
Answer:
I think the answer is aluminium because both graphite and Al are good conductors of electricity but Al is more ductile than graphite. also pls mark as Brainilest.
Explanation:
Copper turns a green-brown when it is exposed to oxygen in air. What chemical property of oxygen causes this effect? A. its reactivity B. its volume C. its mass D. its flammability
Answer:
A. its reactivity
Explanation:
It's reactivity because copper was exposed to air and if it is reactivity it must be exposed to air
Answer:
A. reactivity
Explanation:
Do you think it’s important that forensics is categorized as a science? Why or why not?
PLEASE HELP WILL GIVE BRAINLIEST!!!!
Which of the following is the best definition of a chemical property?
A. The solubility of salt.
B. The ability of gunpowder to explode.
C. The ability of something to undergo a change or reaction.
D. Something that can be observed or measured without changing the identity of the substance.
Answer:
The B. Is perfect match of a definition of chemical property.
Explanation:
The ability of gunpowder to explode.
The ability of gunpowder to explode is the best definition of a chemical property.
What is chemical property?The change of one type of matter into another type of matter and inability to change into the previous forms is called a chemical property. Examples of chemical properties include reactivity and heat of combustion.
So we can conclude that the ability of gunpowder to explode is the best definition of a chemical property.
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What wavelength measures
A. Depth
B. Distance
C. Energy
D. Speed
E. Time
F. Volume
Answer:
Distance.
Explanation:
Wavelength (λ) can be defined as the distance between two successive crest or trough of a wave.
From the above definition, wavelength (λ) simply measures distance.
This can further be explained by obtaining the unit of measurement for wavelength (λ).
This can be illustrated below:
Wavelength is related velocity and frequency according to the following equation:
Velocity (v) = wavelength (λ) x frequency (f)
v = λf
λ = v/f
Velocity is measured in ms¯¹
Frequency is measured in hertz, Hz (s¯¹)
λ = v/f
λ = ms¯¹ / s¯¹
λ = m
We can see that wavelength is measured in metre (m) which is the same unit for measuring distance.
Therefore, wavelength measures distance.
differences between properties of convalent and ionic bond.
Ionic bonds will be a metal + a nonmetal, and electrons
are transferred from the metal to the nonmetal.
A covalent bond will be a nonmetal only. Nonmetals will not give up their electrons so electrons are shared.
I have also written this on the whiteboard in the image provided.
What characteristic best describes the low entropy associated with solids?
O A. The atoms are held together with strong bonds.
O B. The atoms are arranged in a rigid structure.
C. The solid has a high specific heat capacity
D. The atoms in a solid are mostly metals.
Answer:
B. The atoms are arranged in a rigid structure.
Explanation:
Because the entropy of solids depends on the structure of the atoms, a rigid structure has less randomness = less entropy. So, the answer is B.
Answer:
b
Explanation:
a p e x :)
Which of the following is an example of matter? Question 5 options: A) The air around you B) Your thoughts C) Radio waves D) Heat from a fire
Answer:
the air around you
Explanation:matter is physical like the particles in the air or the oxygen in the air. so rocks, earth the sun, anything you can touch is matter. even gasses.
What scientific instrument is sensitive enough to detect a planet transiting a star?
Answer:
Photometer
Explanation:
A photometer (photo comes from the Greek for light) measures the light coming from 140,000 stars in Kepler's stationary field of view. If a planet transits (passes in front of) any star the amount of light from the star is reduced enough so that the photometer senses it and relays the information back to the Kepler team.
Scientific instruments are tools used for researching the universe and natural sciences. A Photometer is sensitive enough to detect a planet transiting a star. Thus, option D is correct.
What is a Photometer?A Photometer is a device that converts light energy into electrical voltage by the photoelectric effect given by Einstein. It uses Quantum mechanics to convert the energy possessed by the photons and electrons. It follows Ohm's law to convert energy.
It is used to detect the planets transiting stars as they can detect the light energy as it uses the electromagnetic radiation of various wavelengths to convert them by the photodiode, resistor, and a multiplier.
Therefore, option D. a photometer is used to detect the planets in the universe transiting stars.
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Your question is incomplete, but most probably your full question was, What scientific instrument is sensitive enough to detect a planet transiting a star?
Atomic force microscopeSolar arraysSatellite RadioPhotometerFor the set of ionic compounds, CaSO4, CaCO3, Ca(OH)2, choose the correct characterization of their solubilities in water from the response list. Group of answer choices None of the three salts are soluble. All three salts are soluble. Two of the three salts are soluble. One of the three salts is soluble.
Answer:
None of the three salts are soluble.
Explanation:
According to the solubility rule, the carbonates and sulphates of group two elements are insoluble in water.
All three substances mentioned possess very low solubility in water and can be said to be slightly soluble in water. If we compare them with other ionic substances that dissolve readily in water, we can rightly say that they are insoluble in water.
Hence all three substances are insoluble in water.
45. The following data was collected for 3 compounds:
Mass of Nitrogen that combines with 1 g of Oxygen
Compound A 1.750 g
Compound B 0.8750 g
Compound C 0.4375 g
Show whether these are the same or different compounds. What chemical law is being observed here?
Answer:
The three compounds are different compounds
Explanation:
The mass of Nitrogen that combines with 1 gram of Oxygen in Compound A = 1.750 g
The mass of Nitrogen that combines with 1 gram of Oxygen in Compound B = 0.8750 g
The mass of Nitrogen that combines with 1 gram of Oxygen in Compound C = 0.4375 g
According to the law of multiple proportions, when atoms of two different elements react to form compounds, the masses of one of the elements that combines with a fixed mass of the other element are in small whole number ratios.
The ratio of the masses are;
Mass of Nitrogen in Compound B/(Mass of Nitrogen in Compound C = 0.8750/0.4375 = 2
Mass of Nitrogen in Compound A/(Mass of Nitrogen in Compound C = 1.750/0.4375= 4
Mass of Nitrogen in Compound A/(Mass of Nitrogen in Compound B = 1.750/0.8750= 2
Given that the masses of Nitrogen in the three compounds are in small whole number ratios, the three compounds, Compound A, Compound B, and Compound C are different compounds.
Match the chemical equation with the correct reaction type:
Column A
Column B
1.
Fe +52 - Fe253
2.
Pb(NO3)2 + K2CrO 4 PbCrO 4 +KNO3
a. single replacement
b. double replacement
C. decomposition
3.
H2 + N2 + NH3
d. combustion
4.
Fe + CuCl2 - FeCl2 + Cu
e synthesis
5.
KCIO3 -KCI + O2
6.
Mg + HCI-H2 + MgCl2
7.
C3Hg + O2 CO2 + H2O
8.
Zn + HCI - ZnCl2 + H2
9.
NH3-N2 + O2
10.
AgNO3 + Cu Cu(NO3)2 + Ag
f70X
1.
Fe +52 - Fe253
SYNTHESIS REACTION
A synthesis reaction occurs when two or more reactants combine to form a single product.
2.
Pb(NO3)2 + K2CrO 4 PbCrO 4 +KNO3
DOUBLE REPLACEMENT
A double-replacement reaction exchanges the cations (or the anions) of two ionic compounds.
3.
H2 + N2 + NH3
SYNTHESIS REACTION
A synthesis reaction occurs when two or more reactants combine to form a single product.
4.
Fe + CuCl2 - FeCl2 + Cu
SINGLE REPLACEMENT
A single-displacement reaction, is a chemical reaction in which one element replaces an/other element in a compound.
Note. An element can only replace an element that it is higher than in the electrochemical series or an element that is less reactive than itself.
5.
KCIO3 -KCI + O2
DECOMPOSITION REACTION
A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances.
Most times this type of reaction requires an in put of energy.
It is usually an endothermic reaction as heat is mostly absorbed.
6.
Mg + HCI-H2 + MgCl2
SINGLE REPLACEMENT
A single-displacement reaction, is a chemical reaction in which one element replaces an/other element in a compound.
Note. An element can only replace an element that it is higher than in the electrochemical series or an element that is less reactive than itself.
7.
C3Hg + O2 CO2 + H2O
COMBUSTION REACTION
Combustion reaction is a high-temperature exothermic redox chemical reaction between a fuel (example propane C3H8) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products.( mostly C02)
It can also be referred to as burning.
Combustion reaction is one of the chemical characteristics of hydrocarbons.
8.
Zn + HCI - ZnCl2 + H2
SINGLE REPLACEMENT
A single-displacement reaction, is a chemical reaction in which one element replaces an/other element in a compound.
Note. An element can only replace an element that it is higher than in the electrochemical series or an element that is less reactive than itself.
9.
NH3-N2 + O2
DECOMPOSITION REACTION
A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances.
Most times this type of reaction requires an in put of energy.
It is usually an endothermic reaction as heat is mostly absorbed.
10.
AgNO3 + Cu Cu(NO3)2 + Ag
f70X
SINGLE REPLACEMENT
A single-displacement reaction, is a chemical reaction in which one element replaces an/other element in a compound.
Note. An element can only replace an element that it is higher than in the electrochemical series or an element that is less reactive than itself.
A chemical equation is balanced when Group of answer choices the number of atoms of each element is the same in reactants and products. the charge on each atom is the same in reactants and products. the sum of the coefficients of the reactants is equal to the sum of the coefficients of the products. the total number of ions is the same in reactants and products. the total number of molecules is the same in reactants and products.
Answer:
a
Explanation:
A chemical equation is said to balanced only when the number of atoms of each element is the same in both reactants and products side. Rest all options are absurd. Hence, option a is correct.
Balancing of the reaction has no relation with coefficient, molecules or charge of the elements
If the molarity of sugar is 1.1, what will the freezing point be?
Answer:
The freezing point will be -2.046°C.
Explanation:
The freezing point depression equation is [tex]\Delta T_f = k_f \cdot m \cdot i[/tex]
Where;
[tex]\Delta T_f[/tex] = The temperature depression of the freezing point
[tex]k_f[/tex]= The constant of freezing point depression which is solvent dependent = 1.86°C/m
i = The number of particles the substance decomposes into in solution = 1 for sugar (a covalent compound)
m = The molality of the solution = 1.1
Therefore, we have;
[tex]\Delta T_f = 1.86 \times 1.1 \times 1 = 2.046 ^{\circ}C[/tex]
Therefore the freezing point will be 0 - 2.046°C = -2.046°C.
es with hydrogen
atoms
Fill the valencies with
C
+
() C c-c=c
(ii)
(
c
C - C = C
/
c
(ii)
c
- C
با
-
1
c - c
С — С
co
Answer:
all u have to do is inserting hydrogen atoms where it's possible, if carbon is not bonded to any element, then it can have 4 hydrogens. for the first chain, the first carbon can have 3 hydrogen atoms, the second carbon 1 hydrogen atom only the third also 1 hydrogen since there is double bond and the 4th 2 hydrogen atoms
Answer:
a rat and a cat can have sex
xD
Explanation:
