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luda_lava [24]
3 years ago
11

Help i'll give brainliest! help with 15 just make the answer clear please (PLEASE COMMENT IF YOU CAN"T SEE THE PICTURE DONT ANSW

ER!)

Chemistry
1 answer:
Romashka [77]3 years ago
6 0

Answer:

read explanation

Explanation:

the thermal battery could help this type of generator produce energy 24 hours a day by using a salt. during the day, the mirror warms up the salt till it's melted, then, at night, the very hot salt can be used to boil water, producing steam and that steam could go into a generator that uses pressure

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Kinetic Energy Statement

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4 0
3 years ago
A 975 L balloon contains helium. On the ground the temperature is 30 0C and the pressure is 743 torr. What will be the balloon's
Archy [21]

Answer:

V₂ = 1518L

Explanation:

-Using combined gas law:

\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}

<em>Where P is pressure, V is volume and T is absolute temperature of 1, initial state and 2, final state of the gas.</em>

<em />

<em>Initial states:</em>

P₁ = 743 torr

V₁ = 975L

T₁ = 30°C + 273.15K = 303.15K

P₂ = 375 mmHg = torr

V₂ = Our incognite

T₂ = -35°C + 273.15K = 238.15K

Replacing:

\frac{743torr*975L}{303.15K} =\frac{375torrV_2}{238.15K}

<h3>V₂ = 1518L</h3>
6 0
3 years ago
1. Define action energy.
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Answer:

In physics, action is an attribute of the dynamics of a physical system from which the equations of motion of the system can be derived through the principle of stationary action. ... Action has dimensions of energy⋅time or momentum⋅length, and its SI unit is joule-second.

Explanation:

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