4 years ago

What are two factors that determine an object's gravitational potential energy?

Chemistry

2 answers:

Marat540 [252]4 years ago

6 0

Answer:

Mass and height

Explanation:

Vesna [10]4 years ago

3 0

Weight and Height...

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What is the maximum number of electrons found in any energy level of the known elements? (Refer to the periodic table.)

Simora [160]

Answer:

2n^2 electrons

Explanation:

for example, the first level contain 2*(1^2) = 2 electrons, the second level contain 2*(2^2) = 8 electrons, etc

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3 years ago

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Which of the following has the most stable nucleus? Fe He U B

Harlamova29_29 [7]

Answer:

Explanation:

Ferrum [Iron] has the most stable nucleus because of binding energy per nucleon. Although Uranium is another possibility, in this case, it is more radioactive than Iron. It disintegrates very swiftly that all is done so, just to achieve stability.

I hope this helps you out alot, and as always, I am joyous to assist anyone at any time.

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3 years ago

If aluminum has a mass of 22.3 g, how many liters of oxygen gas are required at STP?

IceJOKER [234]

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27.8

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3 years ago

Three blocks of metal at the same temperature are placed on a hot stove. Their specific heat capacities are listed below.Rank th

JulijaS [17]

Answer:

Copper>Steel>Aluminium

Explanation:

Hello,

Since the heat capacity accounts for the required heat to increase by 1°C, 1 kg of the metal, copper is the one that has the lower heat capacity, it means that it requires the least amount of energy to warm up (increase its temperature), this could be substantiated via the mathematical definition of heat capacity:

$H=mC(T_2-T_1)$