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nlexa [21]
3 years ago
9

What’s the density of a polypropylene

Chemistry
1 answer:
maria [59]3 years ago
3 0

Answer:

0.92 g/cm³

hope this helps

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Consider the reaction: N2(g) 2 O2(g)N2O4(g) Write the equilibrium constant for this reaction in terms of the equilibrium constan
Valentin [98]

Answer : The equilibrium constant for this reaction is, K=\frac{(K_b)^2}{K_a}

Explanation :

The given main chemical reaction is:

N_2(g)+2O_2(g)\rightarrow N_2O_4(g);  K

The intermediate reactions are:

(1) N_2O_4(g)\rightarrow 2NO_2(g);  K_a

(2) \frac{1}{2}N_2(g)+O_2(g)\rightarrow NO_2(g);  K_b

We are reversing reaction 1 and multiplying reaction 2 by 2 and then adding both reaction, we get:

(1) 2NO_2(g)\rightarrow N_2O_4(g);  \frac{1}{K_a}

(2) N_2(g)+2O_2(g)\rightarrow 2NO_2(g);  (K_b)^2

Thus, the equilibrium constant for this reaction will be:

K=\frac{1}{K_a}\times (K_b)^2

K=\frac{(K_b)^2}{K_a}

Thus, the equilibrium constant for this reaction is, K=\frac{(K_b)^2}{K_a}

5 0
3 years ago
1 points)<br> You have 300 grams of Al2(CO3)3. How many moles are produced?
Pavlova-9 [17]

Answer:

0.5133805136 moles.

Explanation:

1 gram of Al2(Co3)3 equals 0.0017112683785004 moles, we need the amount of moles produced in 300 grams of Al2(CO3)3, so we have to multiply 1 gram of Al2(CO3)3 times 300: 0.0017112683785004 x 300, in conclusion,

300 grams of Al2(Co3)3 equals 0.5133805136.

5 0
3 years ago
Use the given figure to complete the statement below.
FinnZ [79.3K]
Vertical now I need to fill 20 characters
7 0
4 years ago
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Since the moon is so small in size in relation to the earth, only a small area of planet earth will see a:
den301095 [7]

Answer:

Solar eclipse

Explanation:

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3 years ago
What is the molarity of ammonia if it is 1.0 ionized?
alexandr402 [8]

Answer:

A (0.0018 M

Explanation:

Ammonia is very strong but it is good to use around the house because if u have bugs or anything that's the same stuff to use for it

3 0
3 years ago
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