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kozerog [31]
3 years ago
15

Which is not part of the first law of thermodynamics? A.Energy cannot be created or destroyed. B.The total amount of energy in t

he universe is constant. C.Energy can change forms. D.The universe is always slowly gaining energy
Chemistry
1 answer:
Anon25 [30]3 years ago
8 0
A. Energy can not be created or destroyed
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Consider the formula for glucose: C6H12O6. What does this indicate about the relationship of the reactants to glucose?
stellarik [79]

The correct option is D.

The reactants that combine together to form glucose are carbon dioxide, water and energy from the sun. Six molecules of carbon dioxide combine with six molecules of water in the presence of sunlight to form glucose. The chemical equation for the reaction is given below"

6CO2 + 6H2O + Sunlight = C6H12O6.

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Which two categories of organic compounds store energy? which of these organic compounds is more common?
Andrei [34K]
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5 0
3 years ago
Which of the following might a chemist choose to study?
Serjik [45]

Answer:

B. Better ways to recycle plastics

Explanation:

A chemist might choose to study better ways to recycle plastics because there may be certain types of chemicals that can disintegrate the plastic..

7 0
3 years ago
Calculate the number of atoms in 3.21 mole of Mg?
Mars2501 [29]

Answer:

<h2>1.93 × 10²⁴ atoms</h2>

Explanation:

The number of atoms in a substance can be found by using the formula

<h3>N = n × L</h3>

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 3.21 × 6.02 × 10²³

We have the final answer as

<h3>1.93 × 10²⁴ atoms</h3>

Hope this helps you

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How does a change in thermal energy affect the liquid in a thermometer?
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the liquid will expand from the heat, and the mercury in the thermometer will rise or fall (depending if it is warming up or cooling).

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4 years ago
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