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Serga [27]
3 years ago
13

(a) mass in grams of 0.105 mol sucrose

Chemistry
1 answer:
Mnenie [13.5K]3 years ago
5 0
Sucrose has a chemical formula of C12H22O11. The molar mass of all the atoms added up is 342.297 g/mol.

342.297 g/mol * 1/0.105 mol = 3,259.971 g of sucrose. That is about 3.260 kilograms.
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What is the mass of 4.5 moles of Cu(NO3)2?
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Answer:

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Explanation:

Mass = moles x Molar mass

Mass = 4.50(187.55)

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6 0
3 years ago
How does activation energy influence the rate of a chemical equation?
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A proposed mechanism for the reaction of NO2 and CO is
Novosadov [1.4K]

Answer:

a.

1. NO2(g): Reactant.

2. CO(g): Reactant.

3. NO3(g): Intermediate.

4. CO2(g): Product.

5. NO(g): Product.

b. See attached picture.

Explanation:

Hello,

a. In this case, given the reactions, we can identify each species as:

1. NO2(g): Reactant because it remains at the left side in the overall reaction.

2. CO(g): Reactant because it remains at the left side in the overall reaction.

3. NO3(g): Intermediate because it is a product in the step 1 and a reactant in step 2, for that reason it is not present in the overall reaction.

4. CO2(g): Product because it remains at the right side in the overall reaction.

5. NO(g): Product because it remains at the right side in the overall reaction.

b. In this case, given that the first step is slow and endothermic, it has a high activation energy and the products will have more energy than the reactants, for that reason the final energy is above the initial point. Moreover, since the second step is fast and exothermic, it has a low activation energy and the products will have less energy than the reactants, for that reason, the reaction coordinate diagram is shown on the attached file.

Regards.

8 0
3 years ago
Which statement describes what happens when somebody slaps their hand on a wall?
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Answer:

B. Wall applies equal reaction force on hand

Explanation:

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7 0
2 years ago
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DENIUS [597]

Answer:

Explanation:

The Erosion in the Colorado Rookies Scenario that record a ready rain were more than the other scenario in the same area with just a drizzle. The Erosion is much in the Colorado Rockies Scenario that record a steady rain because the volume of the rivers has goes up compare to that of the Scenario with just a drizzle. As a result of the increased in the amount of the rivers bank that is flowing, the river flows more faster which helps in the transportation of the sediments or Erodes.

4 0
3 years ago
Read 2 more answers
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