Question

How much energy would be required to heat 45 g of substance x from a liquid at 15 degrees C to a gas at 75 degrees C

Answer 1

Solution.

$Q = c \times m \times \Delta t$

$Q = 4200 \times 45 \times (75-15) = 1134 \times 10^4 \ J$

Answer:

$Q = 1134 \times 10^4 \ J$