The pressure is the pressure of the air which is measured with a barometer. \[\ce{Ba(OH)2(s) + 2CH3CO2H (aq)Ba(CH3CO2)2 (aq) + 2H2O(l)} \nonumber \nonumber \]. Write a balanced chemical equation for the reactions given below: When hydrogen gas reacts is combined with oxygen gas and the mixture ignited When zinc and copper sulphate react in the aqueous state, a simple displacement reaction will take place in which the zinc will displace the copper from the copper sulphate to form zinc sulphate. The colour of the solution will go from blue to colourless due to the change in the cation of the compound. Web(a) Zinc metal is added to a hydrobromic acid solution. Zinc metal reacts with hydrochloric acid according to the balanced equation: zn(s) + 2 hcl(aq) zncl2(aq) + h2( g) when 0.103 g of zn(s) is combined with enough hcl { "14.01:_Sour_Patch_Kids_and_International_Spy_Movies" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.