** asap**

the lifetime of a star depends on its

a. mass

b. temperature

c. apparent brightness

d. absolute brightness

Bernie drove home from a vacation in 1.5 hours. he traveled a total distance of 60 miles. what was his average speed in miles per hour? a. 60 mph b. 90 mph c. 40 mph d. 55mph

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l