Another conversion that can be made with the unit moles involves substances in the gaseous state,
Substances that are a gas at S. T.P (standard temperature and pressure which is the only kind we will deal with for now) will have a volume of 22.4L for every 1 mole, This means that if I have a certain number of moles of gas, then I can determine the volume of that gas,
Or if I have a certain number of Liters of the gas, than I can determine the number moles,
Answer the following two questions, handwriting your work, and upload a picture of that work, with your
answers boxed,
1) How many moles of Hydrogen gas are present in a sample of 37.6 L?
2) How many liters of Oxygen gas are present in a sample of 0.36 moles?
Bonus: How many molecules of Oxygen would be present in the sample from question #2?
Answers: 1
Chemistry, 21.06.2019 17:10
For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above
Answers: 1
Chemistry, 21.06.2019 20:30
10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
Answers: 2
Chemistry, 21.06.2019 23:30
Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.
Answers: 2
Chemistry, 22.06.2019 00:30
If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?
Answers: 1
Another conversion that can be made with the unit moles involves substances in the gaseous state,
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