Answers: 3
Chemistry, 23.06.2019 06:40
4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?
Answers: 1
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 17:00
The approximate distance from earth to the moon is 240 thousand miles. the approximate distance from earth to the sun is 93 million miles. in standard notation, the approximate distance from the sun to earth is miles greater than the approximate distance from earth to the moon. in scientific notation, the distance is m × 10n, where m is and n is .
Answers: 2
Chemistry, 23.06.2019 17:30
With carbon dioxide what phase change take place when the temperature decreases from -40c to -80c at 2 atm
Answers: 2
Which cell is an animal cell...
Mathematics, 05.05.2020 15:56
Mathematics, 05.05.2020 15:57
Mathematics, 05.05.2020 15:57