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konstantin123 [22]
3 years ago
11

To find time, t, the age of the universe, you must first isolate the variable t. Rewrite the velocity equation v = d / t so that

you are solving for time.
Chemistry
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

t = d/v

Explanation:

All you have to do is the inverse operation so that you multiply by "t" and it will be on the side with the "v" then you divide the v and it will be under the "d" so time = distance/ velocity (speed)

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weqwewe [10]

Answer:

209.3 Joules require to raise the temperature from 10 °C to 15 °C.

Explanation:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m × c × ΔT

Given data:

mass of water = 10 g

initial temperature T1= 10 °C

final temperature T2=  15 °C

temperature change =ΔT= T2-T1 = 15°C - 10°C = 5 °C

Energy or joules added to increase the temperature Q = ?

Solution:

We know that specific heat of water is 4.186 J/g .°C

Q = m × c × ΔT

Q = 10 g × 4.186 J/g .°C × 5 °C

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6 0
3 years ago
If the gas inside the flask is cooled so that its pressure is reduced from 797.3 torr to a value of 715.7 torr what will be the
nadezda [96]
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4 0
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A tool that changes light Energy<br> into electricity is a
schepotkina [342]

Answer:

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Explanation:

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3 0
3 years ago
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