Chemistry, 04.09.2020 20:01 RainbowPieWasHere
In a lab, Jose measured the weight of a penny multiple
times and has the measurements of 3.50 g, 3.51 g, and 3.48
g. When Jose measures the same object multiple times and
they are close together, what is he demonstrating?
A) Accuracy
B) Meniscus
C) Scientific Notation
D) Precision
Answers: 1
Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
Chemistry, 22.06.2019 22:00
8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these
Answers: 1
Chemistry, 23.06.2019 07:30
Which statement is actually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 2
In a lab, Jose measured the weight of a penny multiple
times and has the measurements of 3.50 g, 3....
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