This chemical reaction is unbalanced: ___Pb(NO₃)₂(aq) + ___Li₂SO₄(aq) → PbSO₄(s) + LiNO₃(aq) Which coefficient should appear in front of LiNO₃ in the balanced equation?

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They can measure  the amount of energy gained or lost

2licl + 3o2 i yook the test and it was correct.

Its carbonyl

Heat capacity = mcδtheat capacity = 2.676×10^3 j ..the heat capacity given is for 7.00 g of kcn,potassium cyanide which is equal to 0. mole of mole = mass  ÷ mr of kcn is 7  ÷ 65 =0.therefore: 0. of kcn liberates 2.676×10^3 j of heat1 mole   (2.676×10^3    ÷  0.107 )  × 1 =do the calculation to obtain 25009 j = 25kj