Chemistry
Chemistry, 28.08.2019 13:30, DnakMeme6e7272727272

Which statement correctly describes a physical change?
a. involves breaking and creating chemical bonds but not changing a phase
b. may involve a change in phase but does not involve a change in the molecular structure
c. may involve converting two or more substances into new substances
d. involves changes at the molecular level
d. involves energy transfer and change in color

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 11:00, blondieb1722
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
Answers: 2
image
Chemistry, 22.06.2019 13:30, hdhtvthjr
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
image
Chemistry, 22.06.2019 19:30, gracieisweird12
Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol
Answers: 3
image
Chemistry, 22.06.2019 20:30, anggar20
A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction
Answers: 2
Do you know the correct answer?
Which statement correctly describes a physical change?
a. involves breaking and creating chem...

Questions in other subjects:

Konu
Mathematics, 20.10.2020 06:01