subject
Chemistry, 18.03.2022 14:00 njorda7211

(01. 05 MC) 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

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 05:50
Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
Answers: 2
question
Chemistry, 22.06.2019 12:30
What human activity increases beach erosion?
Answers: 2
question
Chemistry, 22.06.2019 22:30
Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility
Answers: 1
question
Chemistry, 23.06.2019 10:30
How is it possible for someone to put an ear to a wall and hear someone in the next room?     a.sound waves can travel though solids.    b.the waves travel from room to room via air.    c.there must be some air in the wall so the sound can travel through it.    d.sound waves change to electromagnetic waves and then back again.
Answers: 1
You know the right answer?
(01. 05 MC) During an experiment a thermometer was placed in a beaker containing hydrogen peroxide...
Questions
question
Mathematics, 02.10.2019 01:00
question
Mathematics, 02.10.2019 01:00
Questions on the website: 13722361