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Feliz [49]
2 years ago
9

Unequal heating of Earth's surface over a SMALL area causes ..??? (please answer fast)

Chemistry
1 answer:
ra1l [238]2 years ago
5 0
Global win I think brace it say around small areas
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Would it be easier or more difficult (compared to zinc) to recover silver from solution? explain
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Assuming NORMAL conditions, select all of the following that would be found in lesser concentrations in the urine than in the gl
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Which of the following is true of liquids and solids?
gayaneshka [121]
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3 years ago
Explain why a steel object continues to rust even after its outer layers have corroded.
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Answer:

Explanation:

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7 0
3 years ago
A student wants to prepare 1.00 L of a 1.00 M solution of NaOH (molar mass 40.00 g/mol). If solid NaOH is available, how would t
Serga [27]

Explanation:

1)

Molarity=\frac{\text{Mass of substance}}{\text{Molar mass of substance}\times \text{Volume of solution(L)}}

Mass of NaOH = m

MOlar mass of NaOH = 40 g/mol

Volume of NaOH solution = 1.00 L

Molarity of the solution= 1.00 M

1.00 M=\frac{m}{40 g/mol\times 1.00 L}

m=1.00 M\times 40 g/mol\times 1.00 L = 40. g

A student can prepare the solution by dissolving the 40. grams of NaOH in is small volume of water and making that whole volume of solution to volume of 1 L.

Upto two significant figures mass should be determined.

2)

M_1V_1=M_2V_2 (dilution equation)

Molarity of the NaOH solution = M_1=2.00 M

Volume of the solution = V_1=?

Molarity of the NaOH solution after dilution = M_2=1.00 M

Volume of NaOH solution after dilution= V_2=1 L

M_1V_1=M_2V_2

V_1=\frac{1.00 M\times 1.00 L}{2.00 M}=0.500 L

A student can prepare NaOH solution of 1.00 M by diluting the 0.500 L of 2.00 M solution of NaOH with water to 1.00 L volume.

Upto three significant figures volume should be determined.

8 0
3 years ago
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