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ruslelena [56]
3 years ago
5

Which topic is not included in the study of physical geology?

Chemistry
1 answer:
Delvig [45]3 years ago
6 0

How Earthquakes affect buildings

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How many moles of ions would you expect in an aqueous solution containing one mole of chromium(III) chloride? Hint: write out th
Cerrena [4.2K]

Answer:

Four  

Explanation:

AlCl₃(aq) ⟶ Al³⁺(aq) + 3Cl⁻(aq)

One mole of AlCl₃  produces 1 mol of Al³⁺ and 3 mol of Cl⁻.

That's four moles of ions.

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3 years ago
How many moles of aluminum are needed to make 9 moles of molecular hydrogen? given the reaction: 2 al + 6 hcl → 2 alcl3 + 3h2 6
sergiy2304 [10]
1) Chemical equation

2Al + 6 HCl ---> 2Al Cl3 + 3 H2

2) molar ratios

2 mol Al : 3 moles H2

3) Proportion

2 mol Al /  3mol H2 = x / 9 mol H2

4) Solve for x

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Answer: 6 moles
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Which layer contains almost 90% of the atmosphere's total mass?
Afina-wow [57]
The answer is the troposphere

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lora16 [44]
The bottom







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4 0
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A ____________ is a large body that moves around a star?
Travka [436]

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A Planet

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The earth for example, is a large body that orbits the sun, our local star

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