What mass of magnesium oxide is produced when 5.2g of magnesium is burnt in oxygen ?
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Chemistry, 14.05.2021 14:50 jetblackcap
What mass of magnesium oxide is produced when 5.2g of magnesium is burnt in oxygen ?
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Answers: 2
Chemistry, 22.06.2019 11:50
Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution
Answers: 2
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 23.06.2019 02:00
What causes the appearance of lines in a emission spectrum
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