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bearhunter [10]
2 years ago
15

True or false, when a material loses thermal energy, it usually contracts.

Chemistry
2 answers:
Brums [2.3K]2 years ago
8 0

Answer:

True

Explanation:

Whenever something loses thermal energy, it contracts and becomes smaller.

IgorLugansk [536]2 years ago
8 0

Answer: it might be true

Explanation:

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What is the product of the first beta decay in this series?
Anarel [89]

Answer:

B)

Explanation:

In beta decay the nucleus loses a neutron and gains a proton. The mass therefore remains constant but the atomic number increases by one.

8 0
2 years ago
____ is a poor conductor of heat A. aluminum B.iron C. ceramic D. zinc
Ganezh [65]
Your answer is ceramic.
8 0
3 years ago
Which type of energy is represented here? A. Thermal B. Chemical potential C. Mechanical D. Electromagnetic
Snezhnost [94]
<h2>Answer:</h2>

<u>The correct answer is Thermal Energy</u>

<h2>Explanation:</h2>

Thermal energy is the energy that comes from heat. This heat is generated by the movement of tiny particles within an object. The faster these particles move, the more heat is generated. Since the matchstick produces heat energy and heat is referred o thermal energy so it is the correct answer.


4 0
3 years ago
Read 2 more answers
What is the ph of the solution prepared by dissolving 0.927 mol hcl in enough water to make a 150 l aqueous solution?
Brilliant_brown [7]

Answer:

The answer to your question is pH = 2.2

Explanation:

Data

pH = ?

moles of HCl = 0.927

volume = 150 l

Process

1.- Calculate the Molar concentration of HCl

Molarity = moles / volume (L)

Molarity = 0.927 / 150

              = 0.00618

2.- Calculate the pH

pH = -log [HCl]

Substitution

pH = -log [0.00618]

Result

pH = 2.2

8 0
3 years ago
When baking cookies, what is one chemical change that takes place?
Alexus [3.1K]

Answer:

A. chocolate chips melting

Explanation:

It is a chemical change. cookies will soften and melt slightly as the cookies bake. the change is solid to liquid.

6 0
2 years ago
Read 2 more answers
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