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Veronika [31]
3 years ago
10

The Power powe and th

Chemistry
1 answer:
MArishka [77]3 years ago
7 0
Okay cool! thats not enough detail though
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avanturin [10]

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Because the gravitational force alters

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3 years ago
Calculate how many grams of o2(g) can be produced from heating 87.4 grams of kclo3(s).
Rufina [12.5K]
<span>34.2 grams Lookup the atomic weights of the involved elements Atomic weight potassium = 39.0983 Atomic weight Chlorine = 35.453 Atomic weight Oxygen = 15.999 Molar mass KClO3 = 39.0983 + 35.453 + 3 * 15.999 = 122.5483 g/mol Moles KClO3 = 87.4 g / 122.5483 g/mol = 0.713188188 mol The balanced equation for heating KClO3 is 2 KClO3 = 2 KCl + 3 O2 So 2 moles of KClO3 will break down into 3 moles of oxygen molecules. 0.713188188 mol / 2 * 3 = 1.069782282 mols So we're going to get 1.069782282 moles of oxygen molecules. Since each molecule has 2 atoms, the mass will be 1.069782282 * 2 * 15.999 = 34.23089345 grams Rounding the results to 3 significant figures gives 34.2 grams</span>
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4 years ago
What particles are affecting by strong nuclear forces?
WINSTONCH [101]

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proton and neutron

I hope this helps :)

Explanation:

7 0
3 years ago
How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl? Show all of the work needed to solve this
vovikov84 [41]
V=4.8 L
c=5.0 mol/L
M(Mg)=24.3 g/mol

1) n(HCl)=cv

2) m(Mg)=M(Mg)n(HCl)/2

3) m(Mg)=M(Mg)cv/2
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7 0
3 years ago
Read 2 more answers
What if the volume of the cylinder?
Rzqust [24]

Answer:

653.45

Explanation:

pi * 4 by the power of 2 * 13 ~653.45

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