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svlad2 [7]
3 years ago
11

Rate is related to? A. Volume B. Time C. Distance D. Percentage

Chemistry
2 answers:
Inga [223]3 years ago
6 0
I would say B. Time 
hope this helps:)
marishachu [46]3 years ago
5 0

Ans: B) Time

Rate is a measure of change of a particular property over a certain time period. The property could be concentration, volume, mass etc.

Mathematically, if x denotes a certain property and t denotes the time then:

Rate = Δx/Δt = x2-x1/t2-t1

x1 and x2 are the initial and final values of the measured property measured at time t1 and t2 respectively.

Thus, rate is related to time.

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kaheart [24]
The answer is the most probable location of electrons in an atom
8 0
2 years ago
What is a substrate?
Anestetic [448]

Answer:

D. a reactant that is catalyzed by an enzyme

Explanation:

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7 0
2 years ago
1.Which statement best describes scientific laws
gtnhenbr [62]
In a way, all of the answers could be argued for (for example: in the first option: if the scientists' opinions are understood to be "informed understanding of the causes of events"), but one of the options is the best:
Scientific laws describe specific relationships in nature without offering
an explanation.

The reason why  I think this is true is that many laws are phased too short and too concise to provide comprehensive explanations, instead they describe the relationships that must hold.


One of the options is pplain false:
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6 0
3 years ago
Iron 3 oxide and carbon react to form iron and carbon dioxide. Balance the equation.
Oksi-84 [34.3K]

Answer:

2 Fe(iii)2O3 + 3 C ==> 2 Fe  + 3 CO2

Explanation:

First of all, you have to translate the words into an equation.

Fe(iii)2O3 + C ==> Fe  + CO2

The easiest way to tackle this is to start with the Oxygens and balance them. They must balance by going to the greatest common factor which is 6. So you multiply the molecule by whatever it takes to get the Oxygens to 6

2 Fe(iii)2O3 + C   ==>     Fe  + 3 CO2

Now work on the irons. There 2 on the left and just 1 on the right. So you need to multiply the iron by 2.

2 Fe(iii)2O3 + C ==> 2 Fe  + 3 CO2

Finally it is the turn of the carbons. There are 3 on the right, so you must make the carbon on the left = 3

2 Fe(iii)2O3 + 3 C ==> 2 Fe  + 3 CO2

And you are done.

5 0
3 years ago
3 & 4 Help pleaseeeee
kvasek [131]
3 is C i believe, and as for 4 minerals are solid, natural.. that's about all I can say...
4 0
3 years ago
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