Can someone please check if my answers to these Chemistry problems are correct?

Question

1. If 2.5 kJ of energy are absorbed, how many grams of Silver are required if the temperature of the Silver was increased by 7.5 ^oC? (The specific heat of Silver is 0.2330 J/g^oC.)

A. 1.4 g

B. 14 g

C. 1.4 × 102  g

D. 1.4 × 103  g

E. None of the Above

 2. A 75.0 g object needs 995 Joules to increase its temperature by 8.0 ^oC. Its specific heat capacity is _______.

A. 0.229 J/goC

B. 22.9 J/goC

C. 0.229 × 102 J/goC

D. 2.29 × 102 J/goC

E. None of the Above

3. A liquid has a specific heat of 2.81 J/g^oC, a mass of 90.0 g, and an initial temperature of 25.0 ^oC. What is the new temperature of the liquid if 2,350 J of energy are removed from it?

A. 1.57 oC

B. 9.30 oC

C. 15.7 oC

D. 34.3 oC

E. None of the Above

 4. How many Joules of heat are required to raise the temperature of an 8.0 kg Copper bar by 130 ^oC? (c-Copper = 0.3851 J/g^oC)

A. 4.01 × 102 J

B. 4.01 × 103 J

C. 4.01 × 104 J

D. 4.01 × 105 J

E. 4.01 × 106 J

Answer 1

Once again, all answers appear to be correct.