3. Which of the following is NOT evidence of a chemical change?
A)temperature
B)melting...
Chemistry, 17.04.2020 22:16 tristanlindor5329
3. Which of the following is NOT evidence of a chemical change?
A)temperature
B)melting
C)color change
D)appearance of a solid
Answers: 2
Chemistry, 21.06.2019 19:30, jetblackcap
The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
Answers: 1
Chemistry, 22.06.2019 06:00, citlalli30
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 10:00, 2019reynolds
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
History, 20.10.2019 11:30
Geography, 20.10.2019 11:30
English, 20.10.2019 11:30
Biology, 20.10.2019 11:30
Mathematics, 20.10.2019 11:30
Biology, 20.10.2019 11:30
Chemistry, 20.10.2019 11:30
Mathematics, 20.10.2019 11:30
Mathematics, 20.10.2019 11:30