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3 years ago

describe how climate over long periods of time have changed and predict how these changes will affect the future

1 answer:

3 0

Future changes are expected to include a warmer atmosphere, a warmer and more acidic ocean, higher sea levels, and larger changes in precipitation patterns. The extent of future climate change depends on what we do now to reduce greenhouse gas emissions. The more we emit, the larger future changes will be

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How many atoms are there in 15.0 grams of Sulfur (S)?

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Explanation:

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Avogadro's no: 6.02E+23

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3 years ago

5 ml of 2 normal naoh solution is to be completely neutralized by 100 ml of unknown concentration of h2so4 solution find the mas

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2 years ago

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3 years ago

What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?

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Answer:

Volume = 2.0 liter of 1.5 M solution of KOH

Explanation:

1) Data:

a) Solution: KOH

b) M = 1.5 M

c) n = 3.0 mol

d) V = ?

2) Formula:

Molarity is a unit of concentration, defined as number of moles of solute per liter of solution:

M = n / V in liter

3) Calculations:

Solve for n: M = n / V ⇒ V = n / M

Substitute values: V = 3.0 mol / 1.5 M = 2.0 liter

You must use 2 significant figures in your answer: 2.0 liter.

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3 years ago