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Bezzdna [24]
3 years ago
10

write a statement that makes a claim about arrangements of electrons and properties within a family of elements

Chemistry
1 answer:
WITCHER [35]3 years ago
8 0

Answer:

123456789dfghjk

Explanation:

gggyyhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhnnnnnnnnnnnnnnnnvvvvvvvvvvvvccccccccccccccxxxxxxxxxxzzszsdfvbhngyfdd

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What investigations never involve hypotheses?
marshall27 [118]
The correct answer is a descriptive investigation.

An investigation which does not involve hypotheses called descriptive investigation.
Hypotheses are termed as scientific hypotheses and require that one can test it. In hypothesis, previous observation can not satisfactorily be explained with an available scientific theory.
Working hypotheses are being proposed for further research.
5 0
3 years ago
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Which of the following list all the elements that are present in a molecule of potassium carbonate K2C03?
meriva
H
Since K stands for potassium, C stands for Carbon and O stands for Oxygen
3 0
3 years ago
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blagie [28]
The answer is:

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8 0
3 years ago
Please help me #6!!!!!!!!
Vesnalui [34]
I believe that the answer is 12 because there is already 3 O molecules and since its in parentheses with 3 outside it that means that there are 3 of those CO molecules meaning that for every 1 CO there will be 3 O’s so 3, four times Is 12
3 0
3 years ago
Please help me I have not gone over this in like 8 months and can not remember how to do it
Leona [35]

Answer:

91%

Explanation:

Since you are just trying to find the yield, take the moles of the substance from the products and divide it by the mol value of the reactants. Multiply by 100 to find percentage

0.45 ÷ 0.41 = 0.91111...

91%

4 0
3 years ago
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