a certain first order reaction has a rate constant of 2.30 x 10^-2s^-1 at 18 celsius what is the value of k at 65 celsius if ea = 86.5 kj/mol

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?