chemistry

1. In the laboratory a student finds that it takes 118 Joules to increase the temperature of 11.7 grams of solid graphite from 21.1 to 36.3 degrees Celsius.

The specific heat of graphite calculated from her data is ___ J/g°C.

2.In the laboratory a student finds that it takes 105 Joules to increase the temperature of 13.5 grams of solid sulfur from 24.1 to 35.4 degrees Celsius.

The specific heat of sulfur calculated from her data is J/g°C.

3. What is the energy change when the temperature of 11.3 grams of solid graphite is decreased from 36.1 °C to 22.7 °C ?
_____ joules

4.How much energy is required to raise the temperature of 10.4 grams of solid sulfur from 23.6 °C to 39.1 °C ?
_____ joules

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