Chemistry, 16.01.2022 03:30 pulpfree8057
Using the picture of the closed system provided, what is the mass of the system before mixing?
A. it must be more than 300.23 grams
B. it must be 300.23 grams
C. there is no way to tell
D. it must be less than 300.23 grams
Answers: 2
Chemistry, 22.06.2019 03:00, Dkhaurithompson
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
Chemistry, 22.06.2019 09:00, lrasanaoaksandfurana
Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
Answers: 1
Using the picture of the closed system provided, what is the mass of the system before mixing?
A....
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