Heat is added to a 3.0 kg piece of ice at a rate of 636.0KW How long will it take for the ice at 0.0 C to melt? (For water Lf=334 kj/kg and lv=2257kJ/kg) a. 0.0s
b. 640,000s
c. 1.6s
d. 1000s

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

The magnitude of the amount of energy released by burning a fuel source, measured in energy per unit mass, is called its fuel value. note that the fuel value is the negative of the isobaric specific heat of combustion for the fuel. if all the energy obtained from burning 1.23 pounds of butane with a fuel value of 10.85 kcal/g is used to heat 128.0 kg of water at an initial temperature of 18.3 °c, what is the final temperature? note that 1 lb = 453.6 g.

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.