Chemistry, 09.04.2021 16:20 phagonphillips4675
What mass in grams of sodium carbonate, Na, Co, is
produced if 50.0 g of sodium oxide, Na,0, are reacted
with excess carbon monoxide, CO, according to the fol-
lowing chemical equation? (Hint: see Sample Problem
8A.)
2Na, O(s) + CO(g) → Na, Co,(s) + Na(s)
Answers: 3
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
Answers: 2
Chemistry, 22.06.2019 20:00
There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
Chemistry, 23.06.2019 11:20
Which of the following is a pure substance? airbloodcopperwood
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What mass in grams of sodium carbonate, Na, Co, is
produced if 50.0 g of sodium oxide, Na,0, are re...
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