Answer:
1120 gm
Explanation:
6. Consider the reaction: CzHo (g) + 02 (8) - 4 CO2(g) + 6H2O (1)
(a) Balance the equation.
(b) How many grams of oxygen are required to react with 10 moles of ethane for a complete
combustion reaction?
FIRST, CORRECT THE EQUATION THEN BALANCE
2C2H6(G) + 7O2------------> 4CO2 + 6H2O
so for 10 moles of ethane, we need
7 X 5 = 35 MOLES O2
=35 MOLES O2
O2 HAS A MOLAR MASS OF 2X16 = 32 gm
35 MOLES OF O2 HAS A MASS OF 35 X 32 =1120 gm
Answer:
<h3>Stoochiometry is the quantitative relation between the number of moles ( and therefore mass ) of various products and reactants in a chemical reaction. </h3>
Explanation:
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Answer:
True
Explanation:
Confirmation Bias is the tendency to look for information that supports, rather than rejects, one’s preconceptions, typically by interpreting evidence to confirm existing beliefs while rejecting or ignoring any conflicting data
Answer:
1. The Dean's theory is an untested idea that he will investigate; scientific theories have already been investigated.
Explanation:
Scientific theory by definition is something that can be tested. However, in science, a scientific theory generally is something that has already been tested (hence the scientific definition). Remember from math, Theorem is something that can be tested, Postulate is something you can't. By prescribing theorem on it, it means that you can test whether it is true or not.
As for the Dean, he has a "theory" of why phones are being stolen from student backpacks. However, it seems that he did not test for it (i.e., install security cameras, etc.). This means that, without testing, he cannot say it is a scientific theory.
The answer is:
<span>It has enabled more active participation by voters.
</span>Please note that it is useful to add the options provided with the question, in order to get a most accurate answer and have your question answered quicker.
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