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How much CO2 is produced from the combustion of a tank of propane C3H8? Assume the tank contains 9kgs of propane and the molecular weight of propane is 44.1 g/mol 2.7kg 9.0 kg 19.8 kg or 26.9 kg
answered
May 14, 2020
Chemistry
college
6
votes
108k
views
Which of the following is NOT necessary for respiration? a. cytochromes b. oxygen c. flavoproteins d. a source of electrons e. quinones
answered
Feb 28, 2020
Biology
college
6
votes
144k
views
For the sequence an=3n-5 what is the value of a10
answered
Nov 25, 2019
Mathematics
college
6
votes
219k
views
Darwin hypothesized that there are definite steps to natural selection. Consider the model for natural selection. Describe a scenario that represents this model of natural selection according to Darwin.
answered
Apr 5, 2019
Biology
high-school
1
vote
132k
views
find the measure of the third angle of a triangle given that the first two angels are 44 degrees and 72 degrees
answered
Mar 10, 2019
Mathematics
middle-school
3
votes
202k
views
What is the total number of moles in 100.0g of NH4NO3?
answered
Jan 30, 2019
Chemistry
high-school
4
votes
178k
views
read pages 113-117 in social studies text for a quiz tomorrow is that daily or short term or long term goal ?
answered
Jan 12, 2019
Health
college
5
votes
111k
views
Ben has $3.40 consisting of quarters and dimes. How many coins of each kind does he have if he has 22 coins? Which of the following system of equations represents the word problem if d is the number of
answered
Dec 22, 2018
Mathematics
high-school
5
votes
192k
views
Which plural spelling rule should you follow to make church plural? A. Change the letter f to v and add -es. B. Add -es. C. Change the letter y to i and add -es. D. Add -s.
answered
Dec 15, 2018
English
high-school
2
votes
202k
views
Which statement regarding the second law of thermodynamics is true? A. Heat can transfer from a cold to a hot body without converting a certain amount of work to heat energy. B. Heat cannot transfer from
answered
Nov 6, 2018
Chemistry
high-school
3
votes
8.1k
views
Longest River in the world Flows through nine countries Serves as a constant water source Drains into the Mediterranean Sea These are describing which African River? A) Congo B) Indus C) Niger D) Nile
answered
Jul 6, 2018
Geography
high-school
2
votes
203k
views
Why were President Wilson's Fourteen Points not incorporated in the Treaty of Versailles? A)The Allied delegates wanted Germany to pay reparations for the war. B)The Allied delegates wanted a provision
answered
Mar 26, 2018
History
high-school
4
votes
79.9k
views
Which of the following people is BEST exhibiting integrity in their actions?A. Charlie decided to not pay taxes on some of his income because he worked at the IRS and knew that he could get away with it.
answered
Mar 14, 2018
Social Studies
middle-school
2
votes
83.8k
views
Graph the line for y+1= −3/5(x−4) on the coordinate plane.
answered
Feb 20, 2018
Mathematics
middle-school
3
votes
210k
views
Is the sentence grammatically correct or incorrect. A Agustín no puedo creerle nada de lo que dice.
answered
Feb 17, 2018
Spanish
high-school
5
votes
42.5k
views
Why did FDR create the Federal Deposit Insurance Corporation (FDIC) and the Securities and Exchange Commission (SEC)? a.to provide employment payments b.to the unemployed to raise funds for recovery programs
answered
Jul 28, 2017
History
high-school
4
votes
109k
views
How many SO32- ions are contained in 99.6 mg of Na2SO3? The molar mass of Na2SO3 is 126.05 g/mol.
answered
Jun 25, 2017
Chemistry
high-school
4
votes
144k
views
What is the place value of 729
answered
Jun 24, 2017
Mathematics
middle-school
5
votes
223k
views
Which of the following describes a Greek influence on Roman art? Roman art often portrayed abstract philosophical concepts. Roman art was focused on realistic details. Roman art often portrayed all humans
answered
May 29, 2017
History
high-school
1
vote
113k
views
What factor contributed most to the growth of trade in the new kingdom
answered
May 24, 2016
Social Studies
high-school
2
votes
31.8k
views
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