The volume of liquid is 830 m3 at 30 °C and 850 m3 at 90 °C. The coefficient of volume expansion of liquid is
A. 2 × 10-4 per °C
B. 8 × 10-4 per °C
C. 4 × 10-4 per °C
D. 2.5 × 10-4 per °C
Answer:C
The volume of liquid is 830 m3 at 30 °C and 850 m3 at 90 °C. The coefficient of volume expansion of liquid is
A. 2 × 10-4 per °C B. 8 × 10-4 per °C C. 4 × 10-4 per °C D. 2.5 × 10-4 per °C