1. baking soda decomposes at 80 degrees c. how will you determine what happens to washing soda when heated?

2.write the correctly balanced decomposition reaction for baking soda.

3.if 75 grams of magnesium sulfate heptahydrate is completely dehydrated, how many grams of anhydrous magnesium sulfate will remain? show your work.

4.if 25 grams of sodium hydrogen carbonate is decomposed to products, how many grams of solid product will remain?

5.in an experiment, 55.0 gramsof solid zinc was reacted with excess copper(ii) sulfate solution, producing 41.50 grams of solid copper. calculate the theoretical yield and the percent yield of copper in this experiment.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

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.

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j