Which reactants form the salt caso4(s) in a neutralization reaction?
(1) h2s(g) and ca(clo4)2(s)
(2) h2so3(aq) and ca(no3)2(aq)
(3) h2so4(aq) and ca(oh)2(aq)
(4) so2(g) and cao(s)

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

Asolution is produced in which water is the solvent and there are four solutes. which of the solutes can dissolve better if the solution is heated?

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?