Which of the following has the least mass? O a. 25 cg of oxygen gas
O b. 250 mg of helium gas
O c. 2500 ug of aluminum
O d. 0.025 g of sodium chloride (table salt)
O e. 0.25 kg of iron

Complete this brønsted-lowry reaction placing each product by its appropriate label. hso4- + hcn

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

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