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Norma-Jean [14]
3 years ago
6

Electromagnetic forces are the predominant force in holding what subatomic particles together?

Chemistry
1 answer:
vova2212 [387]3 years ago
4 0
<span><span><span> </span><span>The strong forces oppose the electromagnetic force of repulsion between protons. Like ”glue” the strong force keeps the protons together to form the nucleus. </span>·  The strong forces and electromagnetic forces both hold the atom together.</span><span> </span></span>
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For you last required journal entry of the quarter, but on a separate piece of paper, create a poster which compares the mass of
Yuki888 [10]
With a mole of skittles placed side by side, you can go around the earth <span>191.17 trillion times. 

I hope this helps! If it didn't please reply. Please mark it the brainliest if it did!

</span>(6.022x10^23) x .5" = 3.011x10^23 inches.
<span>3.011x10^23 / 12 in per ft(=.251)
</span><span>.251 /5280 ft per mile = 4.75x10^18 miles
</span><span>4.75x10^18 miles / 24850 mile around the earth = 1.9117x10^14 time around the earth.
</span><span>191.17 trillion times around the earth</span>
8 0
4 years ago
Express the rate of the reaction in terms of the change in concentration of each of the reactants and products. Express the rate
Rudik [331]

Answer:

Rate = −1/2 Δ[N2O] / Δt = 1/2 Δ[N2]/ Δt = Δ[O2]/Δt

Explanation:

Based on the reaction:

2 N2O(g) → 2 N2(g)+O2(g)

The rate of reaction is the change in concentration per mole of reaction.

In this problem, 2 moles of N₂O are consumed, the rate per mole of reaction is:

Rate = -1/2 Δ[N₂O] / Δt

<em>Negative because this reactant is consumed</em>

In therms of N₂:

Rate = 1/2 Δ[N₂] / Δt

<em>1/2 because 2 moles are produced per mole of reaction</em>

And for O₂:

Rate = Δ[O₂] / Δt

Right solution is:

<h3>Rate = −1/2 Δ[N2O] / Δt = 1/2 Δ[N2]/ Δt = Δ[O2]/Δt</h3>

<em />

7 0
4 years ago
How to vacuum water with a ridgid wet dry shop vac
julsineya [31]

Answer:

u can eaisly do this just make sure u empty the filter and let dry to prevent mold

Explanation:

7 0
3 years ago
When heated, calcium carbonate decomposes according to the equation given below:
Ahat [919]

Answer:

15.2L at STP

Explanation:

Given reaction expression;

         CaCO₃ → CaO + CO₂

Number of moles of CaCO₃  = 0.68mol

Unknown:

Volume of CO₂ produced at STP = ?

Solution:

To solve this problem, we must first find the number of moles CO₂ produced,

     1 mole of CaCO₃ will produce 1 mole of CO₂

   0.68mole of CaCO₃ will produce 0.68mole of CO₂ at STP

Now;

             1 mole of gas occupies a volume of 22.4L at STP;

           0.68mole of CO₂ will then occupy 0.68 x 22.4  = 15.2L at STP

8 0
3 years ago
The mass and volume of each sample differ from the mass and volume of the other samples. Is it possible for each sample to conta
andrew11 [14]
<span>The mass and volume of each sample differ from the mass and volume of the other samples. Is it possible for each sample to contain 1 mol of each substance?

</span><span>C) Yes, because the number of moles is not dependent on the mass or the volume.</span>
5 0
3 years ago
Read 2 more answers
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