Chemistry, 04.07.2019 08:30 marissalwilliams3
Determine the heat given off to the surroundings when 9.0 g of aluminum (fm = 26.98) reacts according to the equation 2al + fe2o3 → al2o3 + 2fe, δh°rxn= –849 kj/mol
Answers: 1
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 09:30
One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)
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Chemistry, 23.06.2019 01:00
Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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Chemistry, 23.06.2019 08:00
Amechanical wave that transports a lot of energy will have a
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Determine the heat given off to the surroundings when 9.0 g of aluminum (fm = 26.98) reacts accordin...
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