The specific heat of mercury is 149.4 J/(kgK)
Explanation:
When a substance is supplied with an amount of energy Q, its temperature increases according to the equation:

where
is the increase in temperature
m is the mass of the sample
is its specific heat capacity
For the sample of mercury in this problem we have
Q = 275 J
m = 0.450 kg

Therefore, by re-arranging the equation we find the mercury's specific heat:

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Answer:
Pressure Increases
Explanation:
When the temperature of a gas is increased inside a container then the pressure of the gas inside the container increases.
This can be deduced by the Ideal Gas law equation:

where:
P = pressure of the gas
V = volume of the gas
n = no. of moles of gas
R = universal gas constant
temperature of the gas
So,
hence the pressure of the gas will increase while the temperature is increased at a constant volume
Answer:
The charge flows in coulombs is

Explanation:
The current magnitude of current is given by the resistance and the induced Emf as:



,
,
,
Ω
,
Replacing :

