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skelet666 [1.2K]
3 years ago
10

Atoms contain positive, negative, and neutral. what happens when two positively charged particles are close together?

Chemistry
2 answers:
mote1985 [20]3 years ago
8 0
<h2>A. They repel each other</h2>

balandron [24]3 years ago
3 0

Answer:

they repel each other

Explanation:

A is the ans

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1) A sample of copper has a mass of 4.75 g and a volume
lianna [129]

Answer:

<h2>8.92 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 4.75 g

volume = 0.5325 cm³

We have

density =  \frac{4.75}{0.5325}  \\  = 8.920187

We have the final answer as

<h3>8.92 g/cm³</h3>

Hope this helps you

5 0
3 years ago
How does a system at equilibrium respond to the addition of more reactant
grin007 [14]

Answer:

It favors the forward reaction.

Explanation:

According to Le Chatelier's Principle, when a system at equilibrium suffers a perturbation, the system will react in order to counteract the effect of such perturbation.

If more reactant is added, the system will try to decrease its concentration. It will do so by favoring the forward reaction, decreasing the concentration of the reactant  and increasing the concentration of the products, in order to re-establish the equilibrium.

7 0
3 years ago
The reaction of 5.40 g of carbon with excess O2 yields 13.6 g of CO2. What is the percent yield of this reaction?
vazorg [7]
C + O2= CO2
n  =  \frac{m}{mw}
n =  \frac{5.4}{12}  \\ n  = 0.45 \: mol \: of \: carbon
n =  \frac{13.6}{12 + 16 \times 2} \\ n =  \frac{13.6}{44}  \\ n = 0.31 \: mol \: of \: carbon \: dioxide
CO2 is limit
5.4-3.72= 1.68 g of C is excess
5.4 g = 100%
3.72 g = x
x=68.9 %
4 0
3 years ago
How many atoms are in 35.1 g of sodium chloride (NaCl) ?
hoa [83]

Answer:

I believe that there are 70.2

Explanation:

There are 2 atoms in sodium chloride so I x 35.1 by 2 and got 70.2

8 0
3 years ago
Select one metal which will displace Sn from a compound and form metallic tin (Sn).
zaharov [31]

Answer:

Cr

Explanation:

it just is im from Harvard my boy lmk

7 0
3 years ago
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