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lisabon 2012 [21]
3 years ago
15

The label on a box of granola indicates that it contains 13 grams of added sugars, and 240 Calories per serving. What percent of

Calories in a serving comes from added sugars?
Chemistry
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

22 percent of Calories in a serving comes from added sugars

Explanation:

Sugars mentioned in the food products are usually processed sugars, chemically called fructose (which is a combination of glucose and sucrose). Sugars gives four Calories of energy per gram. So, 13 grams of sugar will give thirteen times of four, which is 52 Calories.

The percentage can be calculated from the following formula:

Percentage= (\frac{Calories from sugars}{TotalCalories perserving})(100)

Percentage= (\frac{52}{240})(100)\\ \\ Percentage= 22

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Answer:

Average rate of reaction expressed in moles H₂ consumed per liter per second = 0.0025 M/s = 0.0025 mol/L.s

Explanation:

The complete, correct Question, is presented in the attached image to this answer.

The average rate of reaction in terms of the reactant is defined as the total amount of reactant consumed over a period of time divided by total period of time.

Mathematically,

Average rate of reaction = (change in concentration of H₂ over a period of time) ÷ (total period of time)

Average rate of reaction = (-ΔC)/(Δt)

The minus sign is there because the concentration of reactants reduce with time.

change in concentration of H₂ = -ΔC

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We could solve for the average rate of reaction expressed in moles Cl₂ consumed per liter per second

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