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Chemistry

1 answer:

zzz [600]2 years ago

4 0

Answer:

potassium and calcium

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Which term refers to compounds with the same molecular formula but different structural formulas?

GREYUIT [131]

Answer:

Isomers

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3 years ago

An objects volume can be found by adding its mass by its?

Inessa05 [86]

Volume* density=MASS

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3 years ago

During a change of state, the temperature of a substance _____.

Natali5045456 [20]

Hello,

Your questions states:

During a change of state, the temperature of a substance _____?

In which you gave us some choices:

A. decreases if the arrangement of particles in the substance changes.
B. remains constant until the change of state is complete.
C. increases if the kinetic energy of the particles in the substance increases.
D. increases during melting and vaporization and decreases during freezing and condensation.

Your answer would be:

B. remains constant until the change of state is complete.

Your explanation/Reasoning:

It absorbs the energy, then after the phase changes it then increases the temperature all over again.

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Hope this helps!

~Rendorforestmusic

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3 years ago

Read 2 more answers

A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C. What is the volume of the

alexdok [17]

Answer : The volume of the bubble is, 625 mL

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$