2017 CHEM 1111 FINALEKAM orsteps is the in e same takes place in one step oraser

Question

2017 CHEM 1111 FINALEKAM orsteps is the in e same takes place in one step oraseries whether areaction 30 What is the percentage by mais of calcium 2.14 supplement pa ra 49 g of calcum isisolamed 3iaiculate the detsity (o) to identify the solowing chemical use theinformation provided intial s2 What the proper formula for sodumhrdroeideh 33 What typelslofreacten is the following two of the above What is the proper name for Naicon meter? How many micrometers 36 Calculate the volume ofaalinder whose height ao67 mand damner 1szen (a) 33 10 mL (c) 53 mL

Explanation / Answer

Question 29.

enthalpy of various reaction an series of steps can be always related to

Hess Law

Question 30.

% of Ca in 2.14 g of 0.49 g of Ca isolated

% Ca = mass of Ca / total mass * 100%

%Ca = 0.49/2.14*100 = 22.89%

Question 31.

Density for:

Vdifference = 40.42-0.30 = 40.12 mL

m = 36.95 g

D = mass/V = 36.95/40.12 = 0.92 g/mL

best answer is Canola oil

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