Chemistry, 05.10.2019 02:30 klanclos1620
You have a series of four chemical reactions (1-> 2-> 3-> 4). how do you calculate the triangleh2 if you know the other triangleh values?
a. triangle h2= triangleh1 + triangleh3 -triangleh4
b. triangle h2= triangleh1 + triangleh3 + triangleh4
c. triangle h2= triangleh4 - (triangleh1 + triangleh3)
d. triangle h2= (triangleh1)(triangleh3)(triangleh4 )
Answers: 1
Chemistry, 21.06.2019 13:30, muncyemily
If a 60-g object has a volume of 30 cm3, what is its density? 2 g/cm3 0.5 cm3/g 1800 g * cm3 none of the above
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Chemistry, 23.06.2019 08:50, leah5981
Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas. caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible. relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
You have a series of four chemical reactions (1-> 2-> 3-> 4). how do you calculate the tria...
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