Asked by Shane

A small quantity of hydrochloric acid and a large quantity of limestone chips (CaCO3) are reacted on a beaker, which was placed on the pan of a balance. The mass of the beaker and its contents were recorded every half minute.
(a) Write a chemical equation to show the reaction of the hydrochloric acid and the limestone chips.
(b) Explain why the curve shows down.
(c) What is the mass of the beaker and its contents at the start and end of the experiment?
(d) What is the mass of carbon dioxide at the 1st and 4th minutes?
(e) sketch curves to show the experiment at the lower temperature and the limestone powder.
Answered by DrBob222
CaCO3 + 2HCl ==> CaCl2 + H2O + CO2
You list no data; therefore, no calculations are possible showing loss CO2 or anything else. Please be advised, also, that we can't draw/sketch graphs on this forum.
Answered by Shane
Ok. Thanks.
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