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Nataliya [291]
3 years ago
15

How many total atoms are in this formula? 2MgSO4

Chemistry
1 answer:
Luden [163]3 years ago
7 0

Answer:

the answer is 7 as i think.

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What is the <br> formula for gunpowder
mrs_skeptik [129]

Here is the chemical equation for gun powder, in it’s simple form:

<span>2 KNO3 + S + 3 C → K2S + N2 + 3 CO2.</span>

This is the same simplified formula, only balanced:

<span>10 KNO3 + 3 S + 8 C → 2 K2CO3 + 3 K2SO4 + 6 CO2 + 5 N2.</span>

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3 years ago
How many atoms are present in 65.39 g of zinc?
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<span>Avogadro's number represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles.

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3 years ago
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3 0
3 years ago
The town in the video stressed using locally made goods instead of imported goods. How could using locally made goods lower CO2
ladessa [460]

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It reduces the need to import goods

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When you buy locally, the products you buy don't come from far away, so they don't have to cross the country (or the ocean) by boat, plane or trucks to reach the market/store where you're buying, at least not from a long distance away.

The distance a vehicle travels, the less CO2 emissions it produces.

If the good you're buying is made/produced only an hour away, that's not much pollution produced compared as if the good has to come from a distant place spending days on highways to reach you.

6 0
4 years ago
3. Determine the enthalpy of formation for propane. 3C(s, gr) + 4H2(g) ---&gt; C3H2(g) CzH3(g) AH = -2219.9 kJ C(s, gr) AH = -39
Mars2501 [29]

Answer:

b I hope this is right good luck

7 0
3 years ago
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