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inna [77]
2 years ago
9

How many grams of sulfur will react with 6.75 g of silver? How many grams of silver sulfide (Ag2S) will be formed in this reacti

on?
Chemistry
1 answer:
Xelga [282]2 years ago
8 0
Solve the following equation and check for extraneous solutions. Show all work. Thank you.

sqrt(sqrt(x - 3)) = sqrt(x - 15)
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Answer: Correct answer is a - bromo-3-isopropylcyclodecane

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3 years ago
Two atoms With diferent mass number but the same atomic number are called​
USPshnik [31]

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they are called isotopes

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3 years ago
For which of the following processes would there be a decrease in entropy?
Anni [7]

d. Freezing water!

hope this helps! :3

7 0
3 years ago
What two forces limit the height to which capillary action will take water up a tube?
WITCHER [35]
Capillary action<span> occurs when the adhesion to the walls is stronger than the cohesive </span>forces<span> between the liquid molecules. The </span>height to which capillary action will take water<span> in a uniform circular </span>tube<span>  is limited by surface tension and, of course, gravity.</span>
6 0
3 years ago
A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 385.mg of oxalic acid H2
Vlada [557]

Answer:

The molarity of the sodium hydroxide solution is 0.0692 M

Explanation:

<u>Step 1: </u>Data given

Mass of H2C2O4 = 385 mg = 0.385 grams

volume = 250 mL = 0.250 L

Volume of NaOH = 123.7 mL = 0.1237 L

Molar mass H2C2O4 = 90.03 g/mol

<u>Step 2</u>: The balanced equation

2NaOH + H2C2O4 → Na2C2O4 + 2H2O

<u>Step 3:</u> Calculate moles H2C2O4

Moles H2C2O4 = mass H2C2O4 / molar mass H2C2O4

Moles H2C2O4 = 0.385 grams / 90.03 g/mol

Moles H2C2O4 = 0.00428 moles

<u>Step 4: </u>Calculate molarity of H2C2O4

Molarity H2C2O4 = moles / volume

Molarity H2C2O4 = 0.00428 moles / 0.250 L

Molarity H2C2O4 = 0.01712 M

<u>Step 5:</u> Calculate molarity of NaOH

2*Ca*Va = n*Cb*Vb

⇒ with Ca = Molarity of H2C2O4 = 0.01712 M

⇒ Va = volume of H2C2O4 = 0.250 L

⇒Cb = molarity of NaOH = TO BE DETERMINED

⇒ Vb = volume of NaOH = 0.1237 L

Cb = (2*0.01712*0.250)/0.1237

Cb = 0.0691 M

The molarity of the sodium hydroxide solution is 0.0692 M

4 0
3 years ago
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