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trapecia [35]
3 years ago
12

What is used up in and stops a chemical reaction?

Chemistry
2 answers:
CaHeK987 [17]3 years ago
6 0
B - limiting reactant
igomit [66]3 years ago
5 0
B.
hope this helps!!!

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How many atoms are in a sample of 1.83 moles of potassium (K) atoms? Please explain the conversions to me. Thank you!
IRINA_888 [86]
1 mole K ------------- 6.02x10²³ atoms
1.83 moles K ------ ?? atoms

1.83 x (6.02x10²³) / 1 =

1.101x10²⁴ atoms of K

hope this helps!
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3 years ago
Which of these is a physical property of a tree?
Anit [1.1K]
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5 0
3 years ago
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A reaction produces 92.50 g FeSO4. How many grams of CuSO4 are necessary for this to occur?
xxMikexx [17]

Fe+CuSO4⟶Cu+FeSO4

Given that  

FeSO4 = 92.50 g  

Number of moles = amount in  g / molar mass

=92.50 g / 151.908 g/mol

=0.609 moles FeSO4

Now calculate the moles of CuSO4 as follows:

0.609 moles FeSO4 * 1 mole CuSO4 /1 mole FeSO4

= 0.609 moles CuSO4

Amount in g = number of moles * molar mass

= 0.609 moles CuSO4 * 159.609 g/mol

= 97.19 g CuSO4


3 0
3 years ago
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Scientists examine fossils from three different animals. They determine that all three animals share similar structures and
mezya [45]

Answer:

C,B,A

Explanation:

C has the most similar structure

B has the second most similar structure

A has the least similair structure

6 0
2 years ago
Help plzzzzz it's due today ----- Would Shining light on the reaction increase or decrease the reaction rate
tangare [24]

Answer:

increase

Explanation:

Reactions that are initiated by light are called photochemical reactions. The brighter the light, the faster the reaction.

7 0
3 years ago
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