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2 years ago

10 Balance the following equation: + CO2 (g) + H2O (1) → C12H24012 (s) + O2 (g)

Chemistry

2 answers:

Sveta_85 [38]2 years ago

8 0

Answer:

12CO2 (g) + 12H2O (l) ⇒ C12H24O12 (s) + 12O2

Explanation:

Start by comparing the moles of carbons on the left to number on the right. The number of moles on both side of the arrow should be the same.

mestny [16]2 years ago

5 0

Answer:

C12H24O12 + 12O 2 → 12CO2 + 12H2O

Explanation:

Hope this helps

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Magnesium sulfate heptahydrate is heated until all the water is driven off. The sample loses 11.80 grams upon heating. What was

iren [92.7K]

Hello!

The initial mass of Magnesium Sulfate Heptahydrate (MgSO₄·7H₂O) is 23,08 g

The chemical reaction for the dehydrating of Magnesium Sulfate Heptahydrate (MgSO₄·7H₂O) is the following:

MgSO₄·7H₂O(s) + Δ → MgSO₄(s) + 7H₂O(g)

We know that the sample loses 11,80 g upon heating. That mass is the mass of Water that is released as vapor. Knowing that piece of information, we can apply the following conversion factor to go from the mass of water to the moles of water and back to the mass of the original compound (mi).

$mi=11,80gH_2O* \frac{1 mol H_2O}{18gH_2O}* \frac{1molMgSO_4.7H_2O}{7molH_2O}* \frac{246,47 g MgSO_4.7H_2O}{1 mol MgSO_4.7H_2O} \\ \\ mi=23,08gMgSO_4.7H_2O$

Have a nice day!

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2 years ago

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Llana [10]

Answer: G Atom 1 and Atom 4.. hope this helps and good luck!

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2 years ago

Photosynthesis produces A. energy B. glucose. c. carbon dioxide. D. water.

marysya [2.9K]

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1 year ago

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zheka24 [161]

3. Plasma

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3 years ago

4. A compact disc has a diameter of 11.8 cm. What is the surface area of the disc in square centimeters? In square meters? [Area

d1i1m1o1n [39]

The surface area is 109.3 square centimeters or 0.01093 square meters. The area formula requires that we use the radius of the disc. We can find the radius by diving the diameter by 2, so radius = 11.8/2 or 5.9 cm. We can use 3.14 as an approximation for Ď€. The surface area is 3.14 * (5.9*5.9). Since the diameter is given in cm, the surface area units are in square centimeters. To convert to meters, divide any measurement in centimeters by 100, but we need to convert to "square" meters, so we need to divide our square centimeters by 100 * 100, or by 10,000. Dividing 109.3 by 10,000 results in 0.01093 square "meters".

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2 years ago

10 Balance the following equation: + CO2 (g) + H2O (1) → C12H24012 (s) + O2 (g)​

10 Balance the following equation: + CO2 (g) + H2O (1) → C12H24012 (s) + O2 (g)