When a 0.69-g sample of olive oil is burned in a calorimeter, the heat released increases the temperature of 390 g of water from 22.7∘C to 35.3 ∘C.What is the energy value for the olive oil in kcal/g?

when a 0.55-g of olive oil is burned in a calorimeter the hear released increases the temperature of 360 g of water from 22.7 c to 36.4 c . what is the energy value for the olive oil in kcal/g?

Stainless steel accessories in cars are usually plated with chromium to give them a shiny surface and to prevent rusting. When 5.00 g of chromium at 23 degrees Celsius absorbs 14.9 calories of heat, the temperature increases to 50.8 degrees Celsius. What is the specific heat of chromium (in cal/g degrees celsius)?

A 0.25g sample of a pretzel is burned. The heat it gives off is used to heat 50. g of water from 18 degrees C to 42 degrees C. What is the energy value of the pretzel, in kcal/g?