If 25 kg of ice at 0c is combined with 4 kg of steam at 100c, what will be the final equilibrium temperature (in c) of the system? latent heat of fusion of ice = 3.34 x 105 j. kg-1 latent heat of steam = 2.23 x 106 j. kg-1 specific heat of water = 4180 j. kg-1.k-1

Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?