4. On Saturday. raggie had 16 minutes
remaining on his cell phone plan. He used 1/2
of tho...
Chemistry, 15.03.2020 18:30 haileyrae187
4. On Saturday. raggie had 16 minutes
remaining on his cell phone plan. He used 1/2
of those minutes calling his mother. He talked
to his friend for another 5 minutes. After he
made those two calls, how many minutes did
he have left?
Answers: 3
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7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '
Answers: 1
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Determine type of reaction & predict the product c3h12+o2 =
Answers: 1
Chemistry, 23.06.2019 11:50
What is the oxidation half-reaction for this unbalanced redox equation? cr2o72â + fe2+ â cr3+ + fe3+ cr3+ â cr2o72â cr2o72â â cr3+ fe3+ â fe2+ fe2+ â fe3+?
Answers: 2
Chemistry, 23.06.2019 13:30
Malik formed a hypothesis that an increase in atmospheric oxygen levels by 10% would cause red-legged grasshoppers to grow larger than normal. suppose that malik performs an experiment to test his hypothesis. which of these actions would represent a scientific mistake in his experiment? a. he experiments on live grasshoppers instead of preserved ones. b. he focuses on red-legged grasshoppers instead of all kinds of grasshoppers. c. he varies the nitrogen and carbon dioxide levels in the air from one trial to the next. d. he conducts the experiment in a controlled lab setting with a lab partner. e. he measures the mass and length of his specimens at the start of each trial.
Answers: 1
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