Chemistry, 31.07.2019 18:30 JadeCaldwell
The atomic number of lithium, the first element in group 1, is 3. the atomic number of the second element in this group is
Answers: 1
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If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?
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What does an electron configuration for an atom relate to the atoms placement on the periodic table
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Chemistry, 23.06.2019 06:40
The combustion of methane, ch4, releases 890.4kj/mol. that is, when one mole of methane is burned,890.4 kj are given off to the surroundings. this meansthat the products have 890.4 kj less than the reactants.thus, ah for the reaction = - 890.4 kj. a negative symbolforah indicates an exothermic reaction.ch (g) + 20 (g)> co2 (g) + 2 h0 (1); ah = - 890.4 kga) how much energy is given off when 2.00 mol of ch,are burned? b) how much energy is released when 22.4g of ch. areburned?
Answers: 1
The atomic number of lithium, the first element in group 1, is 3. the atomic number of the second el...
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