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Dafna1 [17]
3 years ago
7

What is a sentence for weathering

Chemistry
2 answers:
bija089 [108]3 years ago
7 0
These rocks were either roasted or exposed to severe weathering 
Svet_ta [14]3 years ago
6 0
Due to the weathering of the rock, the childrens' playground started turning into soil.<span>Due to the weathering of the rock, the childrens' playground started turning into soil.</span>
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Determine the molar mass of H2O2 (the solute) in a 1.5M aqueous solution of H2O2
Lera25 [3.4K]

Answer:

The molar mass of  H₂O₂ (the solute) in the aqueous solution of

H₂O₂ is 51 g

Explanation:

Given;

H₂O₂ compound

Concentration of aqueous solution of H₂O₂ = 1.5M

The molecular mass of H₂O₂ = (1 x 2) + (16 x 2) = 34 g/mol

Concentration(M) = \frac{Reacting \ mass \ (g)}{Molar \ mass \ (g/m)}

Reacting mass (g) = Concentration x Molar mass

Reacting mass (g) = 1.5 x 34

Reacting mass (g) = 51 g

Therefore, the molar mass of  H₂O₂ (the solute) in the aqueous solution of

H₂O₂ is 51 g

3 0
4 years ago
Hydrofluorocarbons (HFC) have replaced chlorofluorocarbon gases (CFC) in refrigerators.
g100num [7]

Answer: 98.36g/mol

Explanation:Please see attachment for explanation

7 0
3 years ago
What is a common land form that is formed when chemical weathering, specifically carbonation, is taking place?
Papessa [141]

Answer:

plateaus

Explanation:

7 0
3 years ago
Read 2 more answers
When a solution is allowed to crystallize slowly, impurities are excluded from the growing crystal structure because: A. The mol
Oliga [24]

Answer:

B

Explanation:

4 0
3 years ago
For the following reaction, 5.61 grams of carbon monoxide are mixed with excess water . Assume that the percent yield of carbon
stealth61 [152]

<u>Answer:</u> The ideal yield of carbon dioxide is 7.506 grams

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}     .....(1)

Given mass of carbon monoxide = 5.61 g

Molar mass of carbon monoxide = 28 g/mol

Putting values in equation 1, we get:

\text{Moles of carbon monoxide}=\frac{5.61g}{28g/mol}=0.200mol

The chemical equation for the reaction of carbon monoxide and water follows:

CO(g)+H_2O(l)\rightarrow CO_2(g)+H_2(g)

By Stoichiometry of the reaction:

1 mole of carbon monoxide produces 1 mole of carbon dioxide

So, 0.200 moles of carbon monoxide will produce = \frac{1}{1}\times 0.200=0.200mol of carbon dioxide

Now, calculating the mass of carbon dioxide from equation 1, we get:

Molar mass of carbon dioxide = 44 g/mol

Moles of carbon dioxide = 0.200 moles

Putting values in equation 1, we get:

0.200mol=\frac{\text{Mass of carbon dioxide}}{44g/mol}\\\\\text{Mass of carbon dioxide}=(0.200mol\times 44g/mol)=8.8g

To calculate the experimental yield of carbon dioxide, we use the equation:

\%\text{ yield}=\frac{\text{Experimental yield}}{\text{Theoretical yield}}\times 100

Percentage yield of carbon dioxide = 85.3 %

Theoretical yield of carbon dioxide = 8.8 g

Putting values in above equation, we get:

85.3=\frac{\text{Experimental yield of carbon dioxide}}{8.8g}\times 100\\\\\text{Experimental yield of carbon dioxide}=\frac{85.3\times 8.8}{100}=7.506g

Hence, the ideal yield of carbon dioxide is 7.506 grams

3 0
3 years ago
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