The amount of heat needed to raise 25 g of a substance by 15°c is 293 j. what is the specific heat of the substance? use the equation c = q/mδt. a.) 0.13 j/g-°c b.) 0.20 j/g-°c c.) 0.78 j/g-°c d.) 0.46 j/g-°c

When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) → co2(g) + h2o(g) -1 -5 -8 -16 -21

What is the empirical formula for c4h8o2

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2