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3 years ago

What is thermal energy?

2 answers:

7 0

Thermal energy is THE MEASURE OF TEMPERATURE IN A SYSTEM.
Thermal energy refers to the internal energy that is present in a system as a result of its temperature. The motion of the particles of an object depends on the temperature of the object and the higher the temperature, the faster the movement of the particles. The reverse is also true.

Bingel [31]3 years ago

7 0

Answer:

the answer is d

Explanation:

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What is the formula of the compound formed between the potassium ion and the sulfide ion?

KIM [24]

The formula for K+ and S-2 is K2S because you need 2 potassium ions to balance out the sulfide ion

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3 years ago

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Alik [6]

I think it’s “number” and “type”

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3 years ago

bazaltina [42]

Answer:

electron - proton

Explanation:

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2 years ago

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An air bubble with a volume of 5.0 ml is released at the bottom of a lake where the pressure is 3.0 atm. when it reaches the sur

Svetradugi [14.3K]

The new volume of the air bubble that has an initial volume of 5.0 ml released at the bottom of a lake where the pressure is 3.0 atm is 15mL.

<h3>How to calculate volume?</h3>

The volume of a given gas can be calculated by using the following formula:

P1V1 = P2V2

Where;

P1 = initial pressure
V1 = initial volume
P2 = final pressure
V2 = final volume

5 × 3 = 1 × V2

15 = V2

V2 = 15mL

Therefore, the new volume of the air bubble that has an initial volume of 5.0 ml released at the bottom of a lake where the pressure is 3.0 atm is 15mL.

Learn more about volume at: brainly.com/question/1578538

7 0

2 years ago

Someone help me with this please, it’s overdue:(

Zolol [24]

Answer:

See explanation.

Explanation:

Hello there!

3. In this case, according to the given question, it turns out possible for us to say that any chemical formula, for an ionic compound, has the cation (positive) on the left and the anion (negative) on the right; thus, since Mg is a metal, which tends to lose electrons and become positively charged whereas the Cl is a nonmetal, which tends to gain electrons and become negatively charged, we have the following:

$Mg^{2+}Cl^-\\\\Mg^{2+}Cl^-_2\\\\MgCl_2$

4. In this case, since lithium is a metal, as well as magnesium, it is not possible for them to switch around their charges as they will not be bonded because they will be repelled rather than attracted because of their equal positive charges.

Regards!

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2 years ago