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madreJ [45]
3 years ago
8

When you light a match, there is a brief Smell that almost burns your nose

Chemistry
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

Hdhgfrdf

Explanation:

Marysya12 [62]3 years ago
3 0

Answer:

This is the smell of the smoke from the fire

Explanation:

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If a tablet of acetaminophen, C8H9NO2, weighs 324 mg, how many moles are there in the tablet? If a tablet of acetaminophen, C8H9
Gnoma [55]

Answer:

2.14*10^{-3} mol

Explanation:

number of moles of C8H9NO2 = \frac{mass}{molar mass}=\frac{324*10^{-3} g}{151.163g/mol}=2.14*10^{-3}mol

The trick is to remember to convert milligrams to grams because molar mass is normally presented in grams per mole

7 0
3 years ago
When 2.69 g 2.69 g of a nonelectrolyte solute is dissolved in water to make 345 mL 345 mL of solution at 26 °C, 26 °C, the solut
Gre4nikov [31]

Answer:

The molar concentration of this solution is 0.0463 mol/L

Explanation:

Step 1 : Data given

Mass of a nonelectrolyte solute = 2.69 grams

Volume of water = 345 mL = 0.345 L

Temperature = 26.0°CC = 273 + 26 = 299 K

The osmotic pressure = 863 torr

⇒ 863torr /760 = 1.13553 atm

Step 2: Calculate the molar concentration of this solution

Π = i*M*R*T

⇒with Π = the osmotic pressure = 1.13553 atm

⇒with i = the van't Hoff factor of the nonelectrolyte solute = 1

⇒with M = the molar concentration = TO BE DETERMINED

⇒with R = the gas constant = 0.08206 L*atm/mol*K

⇒with T = the temperature = 299 K

1.13553 atm = 1 * M * 0.08206 L*atm/mol*K * 299 K

M = 1.13553 / (0.08206*299)

M = 0.0463 mol/L

The molar concentration of this solution is 0.0463 mol/L

5 0
2 years ago
- Write equations for (a) the decomposition of carbon monoxide-
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Explanation:

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3 years ago
PLEASE ANSWER
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A is the answer
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