The compound P4S3 is used in matches. It reacts with oxygen to produce P4O10 and SO2. The unbalanced chemical equation is shown below. P4S3(s) + O2(g) = P4O10(s) + SO2(g) What mass of SO2 is produced from the combustion of 0.331 g P4S3? (P=31, S=32, O=16) *
0.0964 g
0.00150 g
0.00451 g
0.0321g
0.289 g
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Blood goes through the heart twice during each cycle in
a. amphibians b. birds c. fishes d. reptiles
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