In the first 25.0 s of this reaction, the concentration of HBr dropped from 0.540 M to 0.500 M . Calculate the average rate of the reaction in this time interval.

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?