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hram777 [196]
2 years ago
11

Look at the picture ​

Chemistry
1 answer:
Ronch [10]2 years ago
3 0

Answer:

The strong electric force.

Explanation:

Trust me. If its wrong, comment on this, don't delete it. If someone else answers with the wrong question than other students might get the answer wrong. So if its right, say that it is, if its wrong, tell others what the real answer is.

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How many moles are in 4561 g of C3H7OH?
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Explanation:

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3 years ago
I do not understand this question
boyakko [2]

Answer:

the answer should be c

Explanation: why because 37/19 k toward 0+1e +37/18 AR is equivalent to the beta decay and it describes the best beta decay in the formula.

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3 years ago
To satisfy the octet rule in an ionic reaction, selenium must:
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Answer:

Answer A

Explanation:

because it had 6 electrons in the last shell so it needs two electrons to reach 8

7 0
2 years ago
Read 2 more answers
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. How m
Shalnov [3]

Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. 13.6 × 10³ ml water contains 150 mg of Pb.

<h3>How to calculate the mass of solution ? </h3>

Given percentage of Pb present in the sample solution is 0.0011%

That means 0.0011 grams of Pb present in the 100g of solution.

So,

= \frac{0.150\ \text{g Pb} \times 100\ \text{g water}}{0.0011\ \text{g of Pb}}

= 13.6 × 10³ g water

<h3>What is Density ? </h3>

The mass per unit volume is called density. Density is represented as D or ρ.

It is expressed as:

\rho = \frac{m}{V}

where,

ρ = Density

m = mass of the object

V = Volume of object

Now put the value in above expression we get

\rho = \frac{m}{V}

1\ g/ml = \frac{13.6 \times 10^3}{V}

V = 13.6 × 10³ ml

Thus from the above conclusion we can say that Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0011% Pb by mass. 13.6 × 10³ ml water contains 150 mg of Pb.

Learn more about the Density here: brainly.com/question/1354972

#SPJ4

6 0
2 years ago
when a chemical change occurs, if the temperature drops, what effect will it have on the rate of chemical reaction?
Nikolay [14]

Answer:

the rate of reaction would decrease

Explanation:

6 0
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