Chemistry, 24.01.2022 21:00, barnhill6515
Shown below is a balance. Based on this instrument, identify from the following list all the statements that are true if you were to use
this balance to measure the mass of a sample. (Note, the balance in the picture currently reads "0.00")
Choose one or more:
A. a mass measured on this balance will always have 3 significant digits.
B. the uncertainty is in the hundredth place.
C. the uncertainty is in the ones place.
D. a mass measured on this balance will always have 4 significant digits.
E. the uncertainty is in the tenths place.
F. the mass measured on this balance is known exactly.
G. a mass that falls between 1 gram and 9 grams measured on this balance will always have 3 significant figures.
H. a mass that falls between 10 grams and 80 grams measured on this balance will always have 3 significant figures.
I. a mass that falls between 100 and 200 grams measured on this balance will have 5 significant figures.
Answers: 1
Chemistry, 22.06.2019 12:30, robert7248
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
Answers: 2
Chemistry, 22.06.2019 17:00, jazmine8194
Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
Answers: 1
Shown below is a balance. Based on this instrument, identify from the following list all the stateme...
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