Chemistry, 25.06.2019 21:40 gracemartin4535
Which of the following gases is the best choice for inflating a balloon that must remain inflated for a long period of time? hydrogen argon neon oxygen
Answers: 2
Chemistry, 23.06.2019 13:30
1. what is boyle’s law? • state the definition of the law in words. • what are the assumptions of boyle’s law? • write at least one mathematical equation that represents the law. • what can be calculated with boyle’s law? • using a gas-filled balloon as an example, describe what is happening to the gas molecules inside the balloon before and after you squeeze it.
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
Chemistry, 23.06.2019 13:40
Match these items with their examples. 1. liquid solution milk 2. solid solution aluminum foil 3. compound soda 4. colloid steel 5. element salt
Answers: 1
Which of the following gases is the best choice for inflating a balloon that must remain inflated fo...
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Spanish, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Chemistry, 16.09.2020 18:01
French, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01
Mathematics, 16.09.2020 18:01