Calculate the energy required to raise the temperature of 160.0 g Ag from 273 K to 295 K.
q = mass Ag x specific heat Ag x (Tfinal-Tinitial)
To calculate the energy required to raise the temperature of a substance, we can use the formula:
Q = mcΔT
Where:
Q is the energy required (in Joules),
m is the mass of the substance (in grams),
c is the specific heat capacity of the substance (in J/g·°C), and
ΔT is the change in temperature (in °C).
First, we need to find the heat capacity of silver (Ag). The specific heat capacity of silver is 0.235 J/g·°C.
Next, we need to calculate the change in temperature. The initial temperature is 273 K, but we need to convert it to °C:
273 K - 273 = 0 °C
The final temperature is 295 K, but again, we need to convert it to °C:
295 K - 273 = 22 °C
Now, we have all the information to calculate the energy:
Q = (160.0 g) x (0.235 J/g·°C) x (22 °C - 0 °C)
= 160.0 g x 0.235 J/g·°C x 22 °C
= 160.0 x 0.235 x 22 J
= 869.6 J
Therefore, the energy required to raise the temperature of 160.0 g of silver from 273 K to 295 K is 869.6 Joules.