subject
Chemistry, 06.10.2020 01:01 aesmithswhs

The volume of a gas sample is 22.4 liters at STP. The density of the game is 1.34 grams per liter. what is the mass of the gas sample, expressed to the correct number of significant figures? A) 16.7g B) 17g C) 30g D) 30.0g

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
question
Chemistry, 22.06.2019 17:30
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
question
Chemistry, 22.06.2019 18:10
Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate
Answers: 1
question
Chemistry, 22.06.2019 23:00
Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
You know the right answer?
The volume of a gas sample is 22.4 liters at STP. The density of the game is 1.34 grams per liter. w...
Questions
question
Mathematics, 05.11.2020 17:00
question
Mathematics, 05.11.2020 17:00
question
Biology, 05.11.2020 17:00
Questions on the website: 13722363