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larisa [96]
1 year ago
15

A pharmaceutical company wants to test the efficiency of its new drug production techniques so they run 3 shifts of production f

or 4 hours each and collect the product at the end of each shift. Their chemical engineers predict a maximum of 7000 grams of product can be created each shift.
Shift one produces 4562 grams.
Shift two produces 5783 grams.
Shift three produces 5247 grams.

What is the average percent yield for this new production technique?
A. 82.61%
B. 51.97%
C. 74.25%
D. 74.95%
Chemistry
2 answers:
jeyben [28]1 year ago
3 0

Answer:

c

Explanation:

total production of the three shifts/ total of prediction of each yield x 100%

nata0808 [166]1 year ago
3 0

Answer:

C.) 74.25%

Explanation:

I got it correct on founders edtell

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5 0
3 years ago
Read 2 more answers
1. An oxide of chromium is found to have the following % composition: 68.4% Cr
abruzzese [7]

Answer:

Empirical formula is Cr₂O₃.

Explanation:

Given data:

Percentage of Cr = 68.4%

Percentage of O = 31.6%

Empirical formula = ?

Solution:

Number of gram atoms of Cr = 68.4 / 52 = 1.3 2

Number of gram atoms of O = 31.6 / 16 = 1.98

Atomic ratio:

                            Cr               :         O

                           1.32/1.32     :       1.98/1.32

                               1              :        1.5

Cr : O = 1 :  1.5

Cr : O = 2(1 : 1.5)

Empirical formula is Cr₂O₃.

6 0
3 years ago
If 12.4 mol of Ne gas occupies 122.8 L, how many mol of Ne would occupy 339.2 L under the same temperature and pressure? Record
8090 [49]

Answer:

3.43×10¹ mol

Explanation:

Given data:

Initial number of  moles = 12.4 mol

Initial volume = 122.8 L

Final number of moles = ?

Final volume = 339.2 L

Solution:

The number of moles and volume are directly proportional to each other at same temperature and pressure.

V₁/n₁  =  V₂/n₂

122.8 L/ 12.4 mol  =  339.2 L / n₂

n₂ = 339.2 L× 12.4 mol  / 122.8 L

n₂ = 4206.08 L.mol /122.8 L

n₂ = 34.3mol

In scientific notation:

3.43×10¹ mol

7 0
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Answer: gold

Explanation:

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How does matter change from one state to another?
Rzqust [24]
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