can you help me ? directions at the top of the pic.. I only have 30 minutes to do it

Can You Help Me ? Directions At The Top Of The Pic.. I Only Have 30 Minutes To Do It

Answers

Answer 1
This is an example bro
Can You Help Me ? Directions At The Top Of The Pic.. I Only Have 30 Minutes To Do It
Answer 2
I can’t see the top because I need the directions

Related Questions

Are ionic compounds not carrying a charge?​

Answers

Answer:

yes they carry charges

Write a Formula
Compound Name: Strontium Sulfate

Answers

SrSO4 is the formula

Answer:

it's SrSO4

Explanation:

A student cut out a spiral shape from a piece of tissue paper and hung it from a string over a light bulb. Nothing happened. Next the student turned on the light. After a few seconds, the spiral began to turn above the light. Which of these best explains what happened?​

Answers

Answer:

See explanation

Explanation:

Initially, when the paper is hung over the light bulb, we observe that nothing happens at all.

As time goes on, air surrounding the lamp begins to heat up. Remember that hot air is lighter and less dense than cold air.  Air surrounding the lamp which has now become hotter and less dense rises and pushes on the spiral. This causes the spiral to begin to spin.

Which of the following is the best insulator?

Group of answer choices

copper

aluminum

gold

wood

Answers

Answer:

wood

Explanation:

hope this helps! good luck on ur test :)

Answer:

Wood

Explanation:

Heeeeeelp will give brainliest
What is the total number of atoms in 36 molecules of glucose C6 (H2O) 6

Answers

Answer:

Explanation:

Glucose has a chemical formula of: C6H12O6 That means glucose is made of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms.

Can someone pls answer quickly?

Answers

answer is atom.Hope it is helpful.

Answer:

Atoms are the smallest particles that made up matter.

What is the V2O5 coefficient??

Answers

Answer:

1235

Explanation:

if thers a  a guess in that number

The compound V₂O₅ has a Seebeck coefficient at a temperature of 50 °C of -990 μV/K.

What is a compound?

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

They have a unique chemical structure held together by chemical bonds .Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.

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The three types of symbiosis are ___ and ___

Answers

Answer:

mutualism,commensalism and parasitism

Answer:

mutualism, commensalism, and parasitism

Match each term with the correct description below.
1. what is a charged atom that has gained one or more electrons?

2. What substance is held together by ionic bonds?

3. What metal and nonmetal transferrers electrons?

4. What particle has electrons that are shared unequally?

5. What forms when atoms share electrons by covalent bonds?

6. What two nonmetals share electrons?

7. What charge atom that has lost one or more electrons?

8. What two or metals "pooling" electrons?

a. metallic bond

b. covalent bond

c. anion

d. ionic bond

e. molecule

f. cation

g. compound

h. polar molecule

Answers

Answer:

1. anion

2. compund

3. ionic bond

4. polar molecule

5. molecule

6. covalent bond

7. cation

8. metallic bond

Explanation:

I need help I know it isnt A

Answers

It is B. Thank you later please and do good on the test!
The answer is D. You have the right answer highlighted!

sedimentary rocks that are formed from physical/chemical process within the earth are given the general name of

Answers

Answer:

cementation

Explanation:

part of the rock cycle

The sedimentary rocks that are formed from physical/chemical process within the earth are given the general name of chemical precipitation.

What do you mean by the chemical precipitation ?

Chemical precipitation is the process of turning a liquid into a solid by either making the liquid insoluble or making it very saturated.

Chemical precipitation, which starts when water moving through rock dissolves part of the minerals, creates chemical sedimentary rocks. When the water evaporates, the minerals are finally redeposited or precipitated after being moved away from their source.

A chemical compound that develops when the solution it was dissolved in, often water, evaporates and leaves the compound behind is known as a chemical precipitate.

Thus,Chemical precipitation is the process that gives rise to chemical sedimentary rocks including limestone, halite, and flint.

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what is the electron configuration for lithium​

Answers

Answer:

2,1

Explanation:

the electron configuration is 2s1

The number of elements in one molecule of H2O is

1) 5 elements
2) 5 atoms
3) 2 elements
4) 0 elements

Answers

Answer:

2 elements

Explanation:

There are the two elements that make water

3 way to make bases​

Answers

Sorry it’s really unclear what your asking

There is free rotation about the carbons of ethane but not th
of ethane. This is due to the fact that
A. the carbons in ethane are round
Balkenes do not rotate
C. the carbons in ethane are linked by double bonds
D. the carbon in ethane are smaller than those of ethane​

Answers

Answer:

C. the carbons in ethene are linked by double bonds

Explanation:

The reason for the lack of free rotation about the carbons of ethene is that they are linked with with double bonds.

In single bonds afforded with the ethane compound, there is free rotation.

The double bonds confer a special restriction on the rotational potential of the bonded atoms round the carbon.

A bad case of tonsillitis can sometimes affect a person’s breathing.How is this possible ?

Answers

Answer:

Tonsillitis is inflammation of tonsils. It is caused by viral infection and very rarely by bacterial infection.

It is a very serious problem in case of children, adults and teenagers. The continuous coughing can lead to swelling in the throat which in case affects the  passage of airways.

This hindered air passage can cause breathing problems. The inflammation can also affect the passage of air and affects breathing.

Explanation:

The Synthesis Reaction of aluminum (Al) and iodine (I) forms a new, more complex
product. What is the product?

Answers

Answer:

Aluminum iodide (AlI₃)

Explanation:

The synthesis reaction of aluminum (Al) and iodine (I) can be illustrated as shown below:

Aluminium exhibit trivalent positive ion (Al³⁺)

Iodine exhibit univalent negative ion (I¯)

During reaction, there will be an exchange of ion as shown below:

Al³⁺ + I¯ —> AlI₃

Thus, we can write the balanced equation for the reaction as follow:

Al + I₂ —› AlI₃

There are 2 atoms of I on the left side and 3 atoms on the right side. It can be balance by putting 2 in front of AlI₃ and 3 in front of I₂ as shown below:

Al + 3I₂ —› 2AlI₃

There are 2 atoms of Al on the right side and 1 atom on the left side. It can be balance by putting 2 in front of Al as shown below:

2Al + 3I₂ —› 2AlI₃

Thus the equation is balanced.

The product on the reaction is aluminum iodide (AlI₃)

Convert 5 micrometers to meters

Answers

0.000005 is your answer. Hope this helps!!

Colour in acid of red litmus paper​

Answers

Red

Litmus paper turn red when it comes in contact with acid. It turn blue if it come in contact with a base. Neutral litmus paper is purple

Which pair of elements is most likely to form an ionic compound with each other?



sulfur and carbon


barium and chlorine


oxygen and fluorine


calcium and sodium

Answers

Barium and chlorine

DNA bases are attached to _____.

sugar molecules
both sugar and phosphate molecules
phosphate molecule

Answers

Answer:

both sugar and phosphate molecules

Answer:

Both sugar and phosphate molecules

Explanation:

State which statement is a physical change or a chemical change:
(a) Sawing wood
(b) Cooking eggs
(c) Melting chocolate
(d) Chewing sweets
(e) Rusting iron
(f) Filing your fingernails
(g) Milk turning sour
(h) Blow-drying your hair
(i) Boiling water
(j) Baking a cake
(k) Burning a match

Answers

Answer:

Physical change: A,C ,D, F, H, I

Chemical Change: B, E, G, J, K

A wave that travels at the speed of light and consists of a combined electric and magnetic effect

Answers

Answer:

Electromagnetic waves

Explanation:

The description given is that of an electromagnetic wave.

Electromagnetic waves are propagated by the vibration of electrical and magnetic fields in a perpendicular direction to one another.

These waves generally travel at the speed of light. They are made up of magnetic and electric fields. They do no require a material medium for their propagationThey can pass through a vacuum.

What is the enthaply of dissolution? ​

Answers

Answer:

The enthalpy change of solution refers to the amount of heat that is released or absorbed during the dissolving process (at constant pressure).

Explanation:

The enthalpy of solution, enthalpy of dissolution, or heat of solution is the enthalpy change associated with the dissolution of a substance in a solvent at constant pressure resulting in infinite dilution.
The enthalpy of solution is most often expressed in kJ/mol at constant temperature. The energy change can be regarded as being made of three parts, the endothermic breaking of bonds within the solute and within the solvent, and the formation of attractions between the solute and the solvent. An ideal solution has a null enthalpy of mixing. For a non-ideal solution it is an excess molar quantity.

. The model shows Earth in several positions relative to the Sun. In which position is it winter in North America?​

Answers

What does the model look like
all the way to the right

Li and S - covalent or ionic bond?

Answers

Answer:

It is an ionic bond.

Explanation:

Ionic bonds occur when a metal and a nonmetal combine, while covalent bonds occur between two nonmetals. Lithium is a metal and sulfur is a nonmetal.

It’s a ionic bond I believe. We just learned about this in school

I WILL MARK BRAINLIEST!!!!! !!



(picture included with one question ^^^^^^^)

Answers

Answer:

type D

balance form .b

Explanation:

Why the planets are arranged as they are in our solar system.​

Answers

Answer:

The order and arrangement of the planets and other bodies in our solar system is due to the way the solar system formed. Nearest the Sun, only rocky material could withstand the heat when the solar system was young. For this reason, the first four planets—Mercury, Venus, Earth and Mars—are terrestrial planets.

Explanation:

A sample of calcium oxide (CaO) has a mass of 2.80 g. The molar mass of CaO is 56.08 g/mol. How many moles of CaO does this sample contain?
0.0499
20.0
58.9
157

Answers

Answer:

A)  0.0499

Explanation:

According to the mole concept, 2.80 g of calcium oxide sample  has 0.0499 moles.

What is mole concept?

According to the mole concept,mole is defined as the unit of amount of substance . It is the quantity measure of amount of substance of how many elementary particles are present in a given substance.

It is defined as exactly 6.022×10²³ elementary entities. The elementary entity can be a molecule, atom ion depending on the type of substance. Amount of elementary entities in a mole is called as Avogadro's number.

It is widely used in chemistry as a suitable way for expressing amounts of reactants and products.For the practical purposes, mass of one mole of compound in grams is approximately equal to mass of one molecule of compound measured in Daltons. Molar mass has units of gram per mole . In case of molecules, where molar mass  in grams present in one mole  of atoms is its atomic mass.

As per the formula for number of moles, which is mass/molar mass

number of moles of calcium oxide is:2.80/56.08=0.0499 moles.

Hence, 2.80 g sample of calcium oxide has 0.0499 moles.

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A motorcycle starts at rest and moves a distance of 460m .
If it has constant acceleration of 4m55 m/s2 what is its final velocity

Answers

Answer:

The final velocity of the motorcycle is 64.7 m/s

Note: Since the value for the acceleration of the motorcycle is not clear, it is assumed to be 4.55 m/s² in the calculation

Explanation:

Using the equation of motion that contains all the given values in the question: v² = u² + 2as

where v is final velocity; u is initial velocity; a is acceleration; s is horizontal distance

v = ?, u = 0 (since the motorcycle starts from rest), a = 4.55 m/s², s = 460 m

v² = 0² + 2 * 4.55 * 460

v² = 4186

take square root of both sides

v = 64.7 m/s

Therefore, the final velocity of the motorcycle is 64.7 m/s

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