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kondor19780726 [428]
3 years ago
15

Elements, Compounds,& Mixtures,

Chemistry
1 answer:
mrs_skeptik [129]3 years ago
3 0

Answer:

1. Elements: F, H, E

2. Compounds: A, D, I

3. Mixtures: B, C, G

Explanation:

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Oxidation is basically lose of electron..

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How many grams of sodium hydroxide are needed to completely react with 50.0 grams of H2SO4?
Goryan [66]

Answer:

48.0 grams of NaOH I believe

3 0
2 years ago
Read 2 more answers
The reaction A + 2B → products was found to follow the rate law: rate = k[A] 2[B]. Predict by what factor the rate of reaction w
Alexus [3.1K]

Answer:

By a factor of 12

Explanation:

For the reaction;

A + 2B → products

The rate law is;

rate = k[A]²[B]

As you can see, the rate is proportional to the square of the concentration of  A  and the of the concentration of  B .

Let's say initially, [A] = x, [B] = y

The rate law in this case is equal to;

rate1 = k. x².y

Now you double the concentration of A and triple the concentration of B.

[A] = 2x, [B] = 3y

The new rate law is given as;

rate2 = k . (2x)². (3y)

rate2 = k . 4x² . 3y

rate2 = 12 k . x² . y

Comparing rate 2 and rate 1, the ratio is given as; rate 2/ rate 1 = 12

Therefore the rate has increased by a factor of 12.

5 0
2 years ago
Question 2
san4es73 [151]

Explanation:

its hard to explain unless we know what the question fully asks..

4 0
2 years ago
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