How many solutions are there in the following equation.
2x-4x+8=32
a. no solution<...
Chemistry, 01.10.2019 06:30 bryanmcmillianjr
How many solutions are there in the following equation.
2x-4x+8=32
a. no solution
b. 1
c. 2
d. infinitely many
Answers: 1
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Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg
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Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4
Answers: 3
Chemistry, 23.06.2019 08:50
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)
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