Under the same initial conditions as in Experiment 4, calculate [NH4 ] at 563 seconds after the start of the reaction. In this experiment, both reactants are present at the same initial concentration. The units should be M, and should be calculated to three significant figures.

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

In a copper wire, a temperature increase is the result of which of the following

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.