subject
Chemistry, 25.09.2020 05:01 andreanb9632

PLEASE HELP FAST During an experiment a thermometer was placed in a beaker containing hydrogen peroxide. The following observations were recorded when yeast granules were added to hydrogen peroxide. Observation 1: Fizzing and bubbling took place. Observation 2: The temperature began to rise. Based on the observation, justify the type of change (physical or chemical) that took place. (4 points)

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 08:30
Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?
Answers: 2
question
Chemistry, 22.06.2019 10:30
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
Answers: 1
question
Chemistry, 22.06.2019 23:30
Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+
Answers: 3
question
Chemistry, 23.06.2019 06:30
Which of the following steps is not likely to take place during cellular respiration? (5 points) select one: a. oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. c. simple sugar breaks down. d. energy is used up.
Answers: 1
You know the right answer?
PLEASE HELP FAST During an experiment a thermometer was placed in a beaker containing hydrogen perox...
Questions
question
Mathematics, 07.09.2021 06:00
question
Mathematics, 07.09.2021 06:00
question
Mathematics, 07.09.2021 06:00
question
Mathematics, 07.09.2021 06:00
Questions on the website: 13722360