Question

The amount of heat required to raise the temperature of 100 gm of ice from -10°C to 0°C is(specific heat of ice = 2093 J/kg/°C)
a.2.093 kJ
b.209.3 J
c.2093 J
d.Both (a)&(c)

Answer 1

According to the formula ,

Heat or Q = mc(-10 - 0)

= 100 * 2093

* -10

= - 2093000

joules

= 2.093kJ

Since the heat cannot be negative..

So the correct answer is a

Answer 2

The correct answer is A

According to the formula a would work which is

Heat or Q = mc(-10 - 0)