How did the experiement with boiling water compare with the experiment in which magnesium was added to hydrochloric acid? both resulted in gas formation. both resulted in temperature change. both involved chemical change. both involved physical change. one involved chemical change while the other involved physical change.

How many grams of aluminum will there be in 98g of al2o3?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.