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Ray Of Light [21]
3 years ago
13

The reason that it is (mostly) correct to generalize that ionic bonds will form between a metal and a nonmetal is that _____.

Chemistry
1 answer:
Tema [17]3 years ago
6 0
The answer is c but am not sure
You might be interested in
A sample of pure calcium fluoride with a mass of 15.0 g contains 7.70 g of calcium. How much calcium is contained in 40.0 g of c
Temka [501]

Answer:

20.53 g.

Explanation:

  • Knowing that every 15.0 g of pure calcium fluoride contains 7.70 g of calcium.

<u>Using cross multiplication:</u>

15.0 g of pure calcium fluoride contains → 7.70 g of calcium.

40.0 g of pure calcium fluoride contains → ??? g of calcium.

<em>∴ The mass of Ca in 40.0 g of calcium fluoride</em> = (7.70 g)(40.0 g)/(15.0 g) = <em>20.53 g.</em>

6 0
3 years ago
If the equilibrium constant for the reaction A 2B C 5/2 D has a value of 4.0, what is the value of the equilibrium constant for
nirvana33 [79]

Answer:

K'=\frac{1}{16}

Explanation:

Hello!

In this case, since the given reaction is:

A+ 2B \rightleftharpoons C+ \frac{5}{2} D

Whereas the equilibrium constant is:

K=\frac{[C][D]^{5/2}}{[A][B]^2} =4.0

However, the new target reaction reverses and doubles the initial reaction to obtain:

2C+5D \rightleftharpoons 2A+4B

Whereas the equilibrium constant is:

K'=\frac{[A]^2[B]^4}{[C]^2[D]^5}

Which suggest the following relationship between the equilibrium constants:

K'=\frac{1}{K^2}

So we plug in to obtain:

K'=\frac{1}{4.0^2}\\\\K'=\frac{1}{16}

Best regards!

8 0
3 years ago
Which option can be classified as a pure substance
Zina [86]
I have done this question before and even though you didn’t provide the options. I think the correct option is elements
4 0
4 years ago
Read 2 more answers
BRAINLIESTTT ASAP!!! PLEASE HELP ME :)
Alex_Xolod [135]

It is the 3rd option. Theories must be substantiated by a large amount of evidence and previous research

5 0
4 years ago
How will the concentration of H+ and OH− ions change when a substance with a pH 11.4 is added to water?
Anna35 [415]

Answer:

option d is the answer

hope it helps

3 0
3 years ago
Read 2 more answers
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