Chemistry
Chemistry, 22.10.2019 02:20, alexiahall2616

Which process is an example of a physical change?

electricity breaks down water into hydrogen and oxygen gases.
limestone breaks down into lime and carbon dioxide when heated.
carbon combines with oxygen to form carbon dioxide gas.
ice turns to water when heated over a bunsen burner.

answer
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 12:30, hala201490
Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)
Answers: 1
image
Chemistry, 22.06.2019 23:00, lufung8627
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
image
Chemistry, 23.06.2019 06:30, destineedeal1
What type of chemical reaction occurs between silver nitrate (agno3) and copper (cu)? the equation i was given is 2agno3 + cu —> 2ag+ cu(no3)2.
Answers: 1
image
Chemistry, 23.06.2019 07:00, kk042563
What powdery mineral is a health hazard when airborne?
Answers: 1
Do you know the correct answer?
Which process is an example of a physical change?

electricity breaks down water into hy...

Questions in other subjects: