How do you balance these Chemical equations? 1.C+ ZnO= Zn+CO2
2.Pb+HCl=PbCl2+H2

Please show your work.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Compare and contrast refraction of light and sound will give brainliest

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.