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givi [52]
2 years ago
12

Which feature is forming? mountain rift valley earthquake island chain

Chemistry
2 answers:
aleksandr82 [10.1K]2 years ago
6 0
So the answer is
island chain

ÚwÙ
schepotkina [342]2 years ago
5 0
The answer is mountain
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Match the following terms with their definitions:
stepan [7]
Hi,

Homogeneous mixture 2
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3 years ago
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What volume of a 0.550 M solution of potassium hydroxide (KOH) can be made with 19.9 g of potassium hydroxide?
Natalija [7]

Answer:

0.645 L

Explanation:

To find the volume, you need to (1) convert grams to moles (using the molar mass) and then (2) calculate the volume (using the molarity ratio). The final answer should have 3 sig figs to match the sig figs of the given values.

(Step 1)

Molar Mass (KOH): 39.098 g/mol + 15.998 g/mol + 1.008 g/mol

Molar Mass (KOH): 56.104 g/mol

19.9 grams KOH              1 mole
--------------------------  x  -----------------------  =  0.355 moles KOH
                                     56.014 grams

(Step 2)

Molarity = moles / volume                            <----- Molarity ratio

0.550 M = 0.355 moles / volume                 <----- Insert values

(0.550 M) x volume = 0.355 moles              <----- Multiply both sides by volume

volume = 0.645 L                                          <----- Divide both sides by 0.550

6 0
1 year ago
Which of the following are indicators of a chemical change? Select all that apply.
Arturiano [62]
<span>Which of the following are indicators of a chemical change? Select all that apply.
</span>
These are the answers:

<span>color change
temperature change
precipitate formation
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4 0
2 years ago
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yKpoI14uk [10]

Answer:sulfer by itself is not pleasant and it can be dangerous by itself but in large amounts.

Explanation:

5 0
3 years ago
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Calculate the molar concentration of the Cl⁻ ions in 0.65 M CaCl2(aq), assuming that the dissolved substance dissociates complet
alexandr1967 [171]
The question here is solved using basic chemistry. CaCl2(aq) is an ionic compound which will have the releasing of 2 Cl⁻ ions ions in water for every molecule of CaCl2 that dissolves.
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The answer to this question is [Cl⁻] = 1.3 M
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3 years ago
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