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JulsSmile [24]
3 years ago
5

How much force is required to lift a rock a vertical distance of 8 m if 80 j of work were done

Chemistry
2 answers:
kramer3 years ago
6 0

Answer: 10N

Explanation: W = F x d

W = 80J

d = 8m

F =?

w = F x d

80 = F x 8

F = 80/8

F = 10N

NikAS [45]3 years ago
5 0

<u>Answer</u>:-

Try this formula:

W= Fd

F = W by d

Explanation:-

(Note: A newton-meter is the same thing as a joule, so the units for work are the same as those for energy – joules).

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what temperature change will be observed if a sample of 100 g of ethylene glycol antifreeze solution (specific heat capacity = 3
ivolga24 [154]

Answer:

1°C temperature change will be observed if a sample of 100 g of ethylene glycol antifreeze solution.

Explanation:

Mass of ethylene glycol = m = 100 g

Specific heat capacity of ethylene glycol = c = 3.5 J/g°C

Change in temperature of ethylene glycol = ΔT

Heat loss by the ethylene glycol = Q = 350 J

Q=mc\Delta T

\Delta T=\frac{Q}{mc}=\frac{350 J}{100 g\times 3.5 J/g^oC}

ΔT = 1°C

1°C temperature change will be observed if a sample of 100 g of ethylene glycol antifreeze solution.

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If you heat a substance does it move faster or slower? Explain in terms of energy.​
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Heating a substance will make the molecules move faster. It creates thermal energy

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4 years ago
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LUCKY_DIMON [66]

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man i sure wish u read the explanation and all of it

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And if you ask me how I'm feeling

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Never gonna let you down

Never gonna run around and desert you

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Never gonna say goodbye

Never gonna tell a lie and hurt you

Never gonna give you up

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Never gonna say goodbye

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Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

Never gonna tell a lie and hurt you

Never gonna give you up

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4 0
3 years ago
The products
alexandr1967 [171]

Answer:

The products  of self-ionization of water are OH⁻ and H⁺.

Explanation:

  • The water is self ionized according to the equation:

<em>H₂O → OH⁻ + H⁺. </em>

<em></em>

The ionic product for water (Kw) = [OH⁻][H⁺] = 10⁻¹⁴.

Kw is also called "self-ionization constant" or "auto-ionization constant".

6 0
4 years ago
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Answer:Attemted Failed

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