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ra1l [238]
3 years ago
9

How can water be in gas form at 80 degrees

Physics
1 answer:
Citrus2011 [14]3 years ago
7 0
Air and water ima air bender
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What kind of small object composes much of the universe?
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the specific heat of water is 4.2 j/c. if it takes 31,500 joules to heat to warm 750 g of water, what was the temperature change
defon
The amount of heat needed to increase the temperature of a substance by \Delta T is given by
Q=mC_s \Delta T
where
m is the mass of the substance
C_s the specific heat capacity
\Delta T the increase in temperature

In our problem, the mass of the water is m=750 g, the specific heat is C_s = 4.2 J/g ^{\circ}C and the amount of heat supplied is Q=31500 J, so if we re-arrange the previous formula we find the increase in temperature of the water:
\Delta T= \frac{Q}{m C_s}= \frac{31500 J}{(750 g)(4.20 J/g^{\circ} C)}=10^{\circ}C
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the nucleus and the subatomic particles in the nucleus, what is the charge of the nucleus of an atom?
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