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Volgvan
3 years ago
11

Calculate the initial rate for the formation of C at 25 ∘C, if [A]=0.50M and [B]=0.075M.

Chemistry
1 answer:
egoroff_w [7]3 years ago
7 0
2.3*10^-2 M/s IS THE ANWSER<span>
</span>
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What role does genetic variation play in the existence of an organism?
MissTica
Genetic variation is important because it allows natural selection to increase or decrease frequency of alleles already in the population
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135-g sample of a metal requires 2.50 kJ to change its temperature from 19.5 C to 100.0 C what is the specific heat of this meta
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The temperature increase is from 19.5 to 100 degrees centigrade or 80.5 degrees centigrade. The calorie increase is 2.50 x 1000 x 0.238902957619 or a total of 597.25 calories. 597.25/80.5 = 7.419 calories per degree centigrade. 7.419/135 grams = 0.0549 calories/gram/degree centigrade. The conversion from kilo joules involves multiplying the calories per joule x 1000 to get the number of calories in one kilo joule and then by the 2.5. 
3 0
3 years ago
Activity
lina2011 [118]

Opinions are differ from facts as that we cannot change the facts but opinions can be changed as in first example it is given anthracite is better than bituminous coal may be there is another coal which is more better than anthracite. So here opinion is changed.

<h3>What is Coal ?</h3>

It is a black or brownish black sedimentary rock. It contains Sulphur, hydrogen, oxygen, carbon etc. It is always preferred as fuel. Coal was formed millions years ago when plant decay in the soil. It is obtained from dead vegetation. It is obtained from dead plants matter decay into peat and then it is converted into the coal by the process of heat.

<h3>What is Solar System ?</h3>

Solar System is made up of all the planets that revolve around our Sun. Solar System contains eight planets. These planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.

Thus from the above conclusion we can say that Opinions are differ from facts as that we cannot change the facts but opinions can be changed as in first example it is given anthracite is better than bituminous coal may be there is another coal which is more better than anthracite. So here opinion is changed.

Learn more about the Coal here: brainly.com/question/16607139

#SPJ1

8 0
2 years ago
If Magnesium Sulfide reacts with oxygen in the air, what will be produced?
sweet [91]

IF  magnesium sulfide reacts  with  oxygen in the air  it will  produce

 magnesium oxide  +  sulfur (IV) oxide

<u><em>explanation</em></u>

magnesium  sulfide burn in  oxygen  to produce magnesium  oxide  and sulfur (iv) oxide  according to the equation below

2MgS +3O2 →2MgO +2SO2

that is  2 moles of MgS  react with  3 moles of O2  to produce 2 moles of MgO   and  2 moles of SO2

6 0
3 years ago
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