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Alex787 [66]
2 years ago
14

C6H12O6 + 6O2 → 6CO2 + ? H2O + energy Whats the answer? I really don't know,

Chemistry
1 answer:
Ket [755]2 years ago
4 0

Answer:  C. 6

Explanation:

According to the Law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical reaction for photosynthesis is :

C_6H_{12}O_6+6O_2\rightarrow 6CO_2+6H_2O+energy

Thus the coefficient of water is 6.

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How many grams of nacl are in 250 g of a 15.0% (by weight) solution?
Gelneren [198K]

Answer: -

37.5 g of NaCl are in 250 g of a 15.0% (by weight) solution.

Explanation: -

Total mass = 250 g

Percentage of NaCl = 15.0 %

= \frac{Number of grams of NaCl present}{total mass}

Thus \frac{15}{100} = \frac{Number of grams of NaCl present}{250g}

Number of grams of NaCl present = \frac{15 x 250g}{100}

= 37.5 g

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3 years ago
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Answer:

I think these are it

Explanation:

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Which term can be used to describe the process in the reaction below? 2 NaHCO3 (s) → Na2CO3 (s) + H2O (g) + CO2 (g)
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Decomposition

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