Charles's law is a gas law relates volume to temperature. The law is named after (1) _____________________, who was a French inventor and scientist. He found through his experiment the volume of a gas increases linearly with an increase in the (2) _____________________. Shrinking of an inflated balloon and a bicycle tire in a very low temperature show the decrease of (3) ______________ which explains that the relationship of volume and temperature is directly related at constant (4) ______________. For a given sample of gas under two different conditions at a constant pressure, the equation can be written as (5) ________________________.

Answers

Answer 1

Answer:

1. Jacques Charles

2. Temperature

3. Volume

4. Pressure

5. [tex] \frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}[/tex]

Explanation:

Jacques Alexandre-César Charles was a French mathematician, scientist, inventor, balloonist, aeronaut, and physicist who was born on the 12th of November, 1746 in Beaugency, France and died on the 7th of April, 1823 in Paris, France. He was famously known for his invention of the first hydrogen balloon in 1783 and the discovery of Charles Law.

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles' law is given by the formula;

[tex] VT = K[/tex]

[tex] \frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}[/tex]

Where;

V1 and V2 represents the initial and final volumes respectively.T1 and T2 represents the initial and final temperatures respectively.

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Which statement best describes John Dalton’s use of creativity in his work?

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Answer:

c

Explanation:

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Grand Tourer  Injection

The Sulphate of x is XSO4 valency of x is

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Answer: m mm

/lk ac

Explanation:

Anhydrous aluminium chloride contain 20.2% by mass of aluminium show that the emprical formula for anhydrous aluminium chloride​

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Answer:(d) has a high melting point because it has a giant covalent structure ... (i) Calculate the maximum mass of propyl ethanoate that can be made from 7.20 g of ethanoic ... (c) Anhydrous aluminium chloride contains 20.2% by mass of aluminium. (i) Show that the empirical formula for anhydrous aluminium chloride is A

Explanation:

"Para enfriar algo rápidamente se hace una mezcla de hielo con sal o, si tiene precaución, alcohol. El punto de congelación bajará y el hielo se derretirá rápidamente. Pese a aparentar haberse perdido el frío, la mezcla formada estará en realidad a unos cuantos grados bajo cero y será mucho más efectiva para enfriar que los cubos de hielo sólidos". El fenómeno relatado corresponde a una consecuencia de:

Answers

La pregunta está incompleta, la pregunta completa es;

"Para enfriar algo rápidamente, haga una mezcla de hielo cd sal o, si

tenga cuidado, alcohol. El punto de congelación bajará y el hielo

derretir rápidamente. A pesar de parecer haber perdido el frío, la mezcla

formado será en realidad unos pocos grados bajo cero y será

mucho más eficaz para enfriar que los cubitos de hielo sólido. "La

fenómeno reportado corresponde a una consecuencia de: *

una. Aumento del punto de ebullición

B. disminución de la presión de vapor

C. aumento de la presión de vapor

D. disminución del punto de congelación

Answer:

D

Explanation:

Esta pregunta recuerda las propiedades coligativas. Las propiedades coligativas son propiedades de sustancias que dependen de la cantidad de sustancia presente.

El punto de congelación es una propiedad coligativa. Se sabe que la presencia de impurezas reduce el punto de fusión y congelación. Esto se llama depresión del punto de congelación.

Por lo tanto, la observación registrada en la pregunta es el resultado de la disminución del punto de congelación.

In the formation of a covalent bond, electrons are …..

A- Gained
B- Transfered
D- Lost
E- Shared

Answers

Answer:

E-shared

A covalent bond consists of the mutual sharing of one or more pairs of electrons between two atoms.

rare earth elements plz

Answers

Answer:

Rare earth elements are lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium - that appear in low concentrations in the ground.

Explanation:

The rare earth elements (REE) are a set of seventeen metallic elements. These include the fifteen lanthanides on the periodic table plus scandium and yttrium. Rare earth elements are an essential part of many high-tech devices.

Is the following nuclear equation balanced?

No
Yes

Answers

Answer:

Yes.

The nuclear equation {226/88 Ra → 222/26 Rn + 4/2 He} is balanced. As we know that an alpha particle is identical to a helium atom. This implies that if an alpha particle is eliminated from an atom's nucleus, an atomic number of 2 and a mass number of 4 is lost.

Therefore, the equation will be reduced to:

226 - 4 = 222

88 - 2 = 86

Hence, the equation is balanced.

Explanation:

Answer:

yes

Explanation:

s]imple yes

Which statement best summarizes what happens during cellular respiration?
A. Energy in food is released and stored in ATP molecules.
B. Energy from sunlight moves through a food web.
C. Chemical energy is converted to kinetic energy.
D. Solar energy is converted and stored in chemical bonds.

Answers

Answer:

A

Explanation:

B is for photosynthesis, C and D are just energy conversions, A is all about producing energy and stored as Adenosine Triphosphate(ATP) which is respiration

rhfqjerfqewfqejfbfwejhnjvqer

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Cndjsnwnwiwqnakdnndux

sains
baby 6 Said dan alkali​

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Answer:

your image is not proper

12. Organelles allow eukaryotic cells to carry out more functions than prokaryotic cells.
True or false?

Answers

Answer:

True po

Explaination :

I hope it helps

The blood must keep moving round the body to keep the rate of diffusion high explains why

Answers

Answer:

red blood cells and diffusion.

Explanation:

this process involves red blood cells and diffusion. Red Blood cells (RBCs) are a type of blood cell whose role is to transport oxygen from the lungs to the peripheral tissues of the body. Oxygen diffuses from the alveoli of the lungs in to the RBC's, where it binds to hemoglobin.

Diffusion is a very important process within the human body and is essential to the transport of molecules within a number of organs including the lungs, kidneys, stomach and eyes. The lungs process millions of tiny air sacs that are called alveoli, each of which are in close contact with capillaries.

Please help me with this in the picture I need 8 thing wrong and 8 what should they do right

Answers

1- savannah shouldn’t drink that toxic stuff
2- scissors shouldn’t be in the charger hole
3- there shouldn’t be a snake in the lab
4- lindsey should pay attention to what’s in front of her
5- freddy shouldn’t steal stuff
6- there shouldn’t be a plug in the water
7- evan shouldn’t drink anything in the lab
8- there shouldn’t be food in the lab

What happens in nuclear fission?
A. Electrons fall to lower energy levels, emitting photons.
B. Two separate nuclei join together to form one nucleus.
C. A nucleus gains neutrons by emitting an alpha particle.
D. A nucleus is divided into more than one nucleus.

Answers

D not confirm
Splitting an atoms nucleus apart

Answer: D

Explanation:

I just did it

7. A sample of a compound that contains only chlorine and oxygen reacts with excess hydrogen to produce 0.233 grams of hydrochloric acid and 0.403 grams of water. Determine the empirical formula of this compound.

Answers

Answer:

ClxOy + H2 > HCl + H2O

HCl = 0.233/37 = 0.006 mol H2O = 0.403/180.02 mol

HCl = 0.006/0.022 H2O = 0.022/0.006

= 1 = 4

Cl2O4 + 5H2 > 2HCl + 4H2O

I'm think that's the answer

List the two pairs of atoms referred to in the
previous question in order of increasing ionic
character of the bonding between them.

Answers

Chemical bonding and Covalent bong

A gas occupies 0.67 L at 350 K. What temperature is required to reduce
the volume to 0.21 L *

Answers

Answer:

109.7K

Explanation:

Using Charles law equation as follows;

V1/T1 = V2/T2

Where;

V1 = initial volume (L)

V2 = final volume (L)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question;

V1 = 0.67L

V2 = 0.21L

T1 = 350K

T2 = ?

Using the formula above;

0.67/350 = 0.21/T2

0.001914 = 0.21/T2

0.001914T2 = 0.21

T2 = 0.21/0.001914

T2 = 109.7K

Increasing the concentration increases the speed of reaction by... increasing the number of collisions between products increasing the amount of energy in the system increasing the number of collisions between reactants lowering the activation energy of the reaction

Answers

Answer: increasing the number of collisions between reactants

Explanation:

A reaction is possible due to collisions between the reactants to create products. If we increase the concentration of reactants then that means that we are increasing the molecules of the reactants which would give them more chances to collide and make products.

For instance, using a non-chemistry example, if there are few cars in a large city, the accidents there will be less because the cars will have such space that they wouldn't collide with each other. If the number of cars in the city is increased however, there is now less space and more chances for cars to collide.

Which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule?

Answers

The first answer is correct

The first diagram shows the covalent bonds most likely form in a phosphorous trichloride molecule. Hence, option A is correct.

What is a covalent bond?

Covalent bonds can be polar or nonpolar depending on the electronegativity difference between the atoms involved. In a nonpolar covalent bond, the electrons are shared equally between the atoms. In a polar covalent bond, the electrons are shared unequally.

Phosphorus trichloride (PCl₃) is a covalent compound that consists of one phosphorus atom and three chlorine atoms. The three chlorine atoms are located in a plane that is perpendicular to the phosphorus atom, forming an equilateral triangle with bond angles of 120°.

The molecule has a trigonal pyramidal shape, with the phosphorus atom at the apex and the three chlorine atoms at the base of the pyramid. The fourth hybridized orbital of phosphorus contains a lone pair of electrons that is located above the trigonal plane, giving the molecule a distorted tetrahedral geometry.

Thus, option A is correct.

To learn more about the covalent bond, follow the link:

https://brainly.com/question/10777799

#SPJ2

What is the volume of the fluid in the graduated cylinder measured to the correct degree of precision?

Use this media to help you complete the question.

43.4 mL
44.0 mL
43.42 mL
44.10 mL

Answers

Answer:

44.10

Explanation:

got it right on odessyware

Which would have more mass: a mole of sodium or a mole of copper? How do you know?

Answers

Answer:

copper

Explanation:

so for this you can work out the mass for both and compare

so mass = moles × mr

so mass of sodium = 1 × 23= 23 g

and mass of copper = 1 × 63.5= 63.5 g

so copper have more mass :)

Oxidation and reduction reactions (redox) involve the loss and gain of electrons. Half-reactions are a way for us to keep track of how many electrons are gained or lost by a particular species during a chemical reaction. These half reactions can be useful in understanding how batteries work, and how other reactions that occur in your body and in nature work as well. Questions 1. In the model, are electrons lost or gained during oxidation

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Answer:

Electrons are lost during oxidation (LEO)

what is the balanced equation of magnesium carbonate decomposes on heating to form magnesium oxide and carbon dioxide​

Answers

Answer:

ExplaAt high temperatures MgCO3 decomposes to magnesium oxide and carbon dioxide. This process is important in the production of magnesium oxide. This process is called calcining: MgCO3 → MgO + CO2 (ΔH = +118 kJ/mol)

nation:

5. Discuss the phenomena of sunrise and sunset seen on Earth and describe how they will be different from the perspective of outer space. PLS IM OFFERING 15 POINTS PLSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS

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Answer:

deez

Explanation:

who's know this one?
sand + witch?​

Answers

Answer:

The Magician who lives in sand is called sand witch.

And sandwich is The name of one kind of food.

Answer:

Sandwich its food you eat it

Explanation:

Please help please help

Answers

Answer:

sry I don't know much about chemistry

Its 60.7% because the total mass of NaCl is 58.5g and chlorine only costitute of the 35.5g. So its mas of chlorine over total mass x 100

which compounds are an alkanes, CnH2n+2? pls reply fast!​

Answers

Answer:

Methane

Explanation:

Alkanes have the molecular formula of "CnH2n+2" which means for every carbon molecule there are two hydrogens plus two more. For example when there is one Carbon there are four hydrogens, this molecule is known as "Methane"

can someone pls tell me if this is correct? and also if possible, pls explain the difference between fractional and simple distillation, thank you sm <3​

Answers

Explanation:

everything can be found in the picture

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