Asked by Danny

How many calories are required to heat 25.0 g of platinum from 24.5 °C to 75°C (specific heat of platinum = 0.139 J/gK)?

1. 47 cal
2. 42 cal
3. 48 cal
4. 20 cal
5. 80 cal

Thank you.
Answered by DrBob222
q = m*c*delta T.
Answered by Basil
42cal
Answered by MO
48