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cestrela7 [59]
3 years ago
13

Thermal energy is transferred from?

Chemistry
2 answers:
aliina [53]3 years ago
4 0

Answer:

chemical and electrical ( and sometimes nucelar)

Explanation:

Black_prince [1.1K]3 years ago
3 0

<em><u>Thermal energy is transferred from hot places to cold places by convection.</u></em>

<u><em /></u>

<u><em>hope it helps.</em></u>

<u><em>have a great day!</em></u>

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What is the mass of oxygen in 300 grams of carbonic acid (H2CO3)
DENIUS [597]

mass of carbonic acid = 300g

molar mass of H2CO3 = 2H + C + 3 O

= 2 x 1.008+ 12.01 + 3 x  16

= 62.03g/mol


moles of H2CO3 = mass/Molar mass

= 300/62.03

= 4.8364 moles


1 mole H2CO3 has 3 moles Oxygen


4.8364 moles H2CO3 contains  

=   3 x 4.8364  moles Oxygen  =   14.509 moles Oxygen


moles = mass/Molar mass


mass of oxygen = moles x Molar mass of Oxygen

= 14.509 x 16

= 232.15g Oxygen

mass of oxygen in 300g of carbonic acid(H2CO3) = 232.15g

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3 years ago
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Answer:

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2 years ago
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How do the mass and height of an object affect the gravitational potential energy?
marin [14]

Answer:

B. mass and height have the same effect on gravitational potential energy.

Explanation:

Both mass and height have the same effect on the gravitational potential energy of body.

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It is mathematically expressed as;

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h is the height

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Explanation:

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