CHEMISTRY HIGH SCHOOL

If x is 5, then 6x = ___.
30
30x
5x

Answers

Answer 1
Answer: If X is 5, then 6X is equal to 30. You can see to be able to get 30, you have to multiply 6 to X, which in this case is 5. So 6 times 5, you will now get the answer which is 30. In cases that X have other values, you just have to multiply it with 6 to get the answer. This problem can not have 30x or 5x as the results. As the value of X is already given, then, you will get the answer specifically.
Answer 2
Answer:

The answer is 30, A :)

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WILL GIVE BRAINLEST!!Question 5
Coastal flooding occurs when_

A. Rocks or debris block rivers causing them to overflow

B. Severe weather occurs causing large waves to hit the coast

C. Huge amounts of snow and ice melt due to sudden temperature variations

D. Colossal amounts of rain fall in a short period of time​

Answers

Coastal flooding occurs when normally dry, low-lying land is flooded by seawater.[1] The extent of coastal flooding is a function of the elevation inland flood waters penetrate which is controlled by the topography of the coastal land exposed to flooding.The seawater can flood the land via from several different paths:

How many moles of CO2 are produced from the combustion of 6.40 mol c2h8?

Answers

C₂H8 is Dimethocain-M. In C₂H₈ two atoms of carbon are present. Combustion of 6.40 mole C₂H₈ produced 12.8 moles of CO₂.                            

What is combustion ?

Combustion reaction refers to burning of compound in presence of oxygen. The reaction is accompanied by heat and light. One mole of burned carbon produced one mole of CO₂ gas.

Combustion is a chemical reaction between substances ,usually  including oxygen and usually accomplished by the generation of heat and light.

Here we see that in C₂H₈ there are there are two carbons present then 2 moles of CO₂ gas is produced i.e. 2 × 6.40 = 12.8 moles.

Hence, 12.8 moles of CO₂ produced in combustion of 6.40 mole  C₂H₈.

To learn more about combustion refer the link below;

brainly.com/question/15117038

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12.8 mole of CO2 from the combustion

Who was the first governor of the Massachusetts Bay Colony?A)
John Smith

B)
John Winthrop

C)
Thomas Dale

D)
William Bradford

Answers

Answer: John winthrop

Explanation:

Which of the following is NOT a natural toxin that can contaminate food?a. Ciguatera
b. Methyl Mercury
c. Aflatoxins
d. Dioxins

Answers

Option b. Methyl Mercury (quick silver)

It is a metal that is liquid at room temperature. It's a poisonous mercury. it forms when bacteria react with mercury in water, soil, or plants. It's been used to preserve grain that is fed to animals. It's used in fluorescent lights, batteries, polyvinyl chloride and latex paint.

What kind of elements form covalent bonds?

Answers

Answer:

The correct answer is non-metals.

Explanation:

In the covalent bond, the two non-metallic atoms share one or more electrons, i.e., they bind through their electrons in the last orbital. Covalent bonds normally occur between atoms with similar and elevated electronegativity, from which removing the electron completely requires a lot of energy.

Have a nice day!
Covalent bonds form when electrons are shared between two nonmetals

Which of the following explains the importance of the activation energy acting as a barrier for reactants?

Answers

The energy needed for a chemical reaction is called the activation energy. This energy is to be present in order for the reaction to happen. This can be achieved by supplying or releasing heat from a system of reactants. This can achieved faster by using a catalyst.
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