Chemistry, 25.12.2019 06:31 thegamingkid914
A2.5 g sample of french fries is placed in a calorimeter with 500.0 g of water at an initial temperature of 21 °c. after combustion of the french fries, the water has a temperature of 48 °c. what is the caloric value (kcal/g) of the french fries?
Answers: 1
Chemistry, 23.06.2019 12:30
You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?
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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
A2.5 g sample of french fries is placed in a calorimeter with 500.0 g of water at an initial tempera...
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