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Colt1911 [192]
3 years ago
9

If a reaction has a theoretical yield of 10.0 g and a student does the reaction and

Chemistry
2 answers:
lbvjy [14]3 years ago
6 0

Answer:

78.4%

Explanation:

yield = actual/theoretical = 7.84/10 = 78.4%

Reika [66]3 years ago
4 0
The correct answer is the correct answer is 74.8%
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1 point
monitta

Answer: C) a redox reaction that produces an electric current

Explanation:

Chemical cell is a device which is used for the conversion of the chemical energy produced in a redox reaction into the electrical energy. The cell consists of the negative terminal called as anode where oxidation takes place and a positive terminal called as cathode where reduction takes place.

Electrolytic cell is a device which is used to carry out chemical reactions by the use of electrical energy. The cell consists of the negative terminal called as cathode where reduction takes place and a positive terminal called as anode where oxidation takes place.

7 0
3 years ago
A car traveled 1500 km from Dallas to Shreveport in 4 hours. What is its average speed?
Gennadij [26K]

Answer:

\frac{1500 \: km}{4 \: hours}  = 375 \: km \: per \: hour.

5 0
1 year ago
When 6.0 mol Al react with 13 mol HCl, what is the limiting reactant, and how many moles of H2 can be formed? 2Al + 6HCl → 2AlCl
4vir4ik [10]

Well, we need to find the ratio of Al to the other reactant.


Al:HCl = 1:3


--> this means that for every 1 Al used, you have to use 3 HCl.



6*3 = 18 moles of HCl needed to fully react with 6 moles of Al. Since 13<18, HCL is the limiting reactant.



The ratio of HCl:AlCl = 3:1



13/3 = 4.3333...



The final answer is HCl is the limiting reactant with 4.3 moles of AlCl3 able to be produced.



Hope this helps!!! :)


6 0
2 years ago
Which element above has 8 protons in its nucleus?
Nataliya [291]
A. Oxygen. Oxygen has an atomic mass of 16. The atomic mass of an atom is the combined weight o the protons and neutrons. Since Oxygen's atomic mass is 16, it has 8 protons and 8 neutrons.
6 0
3 years ago
Read 2 more answers
How many moles of carbon are in 7.87*10^7 carbon atoms
bonufazy [111]
There is 7 moles in C
6 0
3 years ago
Read 2 more answers
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