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RSB [31]
3 years ago
6

8. A log is burning in a fireplace. If the amount of oxygen reaching the log is decreased, which of the

Chemistry
2 answers:
Romashka-Z-Leto [24]3 years ago
8 0
Answer: the reaction rate decreases.

Fire is the result of a combustion reaction, which is the reactionof the organic matter with oxygen. The rate is proportional to amountof oxygen. The, when the amount of oxygen that reaches the organic matter decreases, the rate of combustion decreases too.
EastWind [94]3 years ago
3 0

Answer is: The reaction rate decreases.

Balanced chemical reaction of burning log:

C(s) + O₂(g) → CO₂(g).

The reaction rate is the speed at which reactants are converted into products.

Reaction rate depends on concentration (amount) of oxygen.

If amount of oxygen decreases, reaction rate also decreases and vice versa.

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3 years ago
What is the<br> mass of 1.82<br> moles of<br> Lithium<br> carbonate?
frutty [35]

Answer:

244.76

Explanation:

The weight of grams by 1.82 moles of lithium carbonate would be: 134.481438 So we need to use this equation to find mass by grams m × g = ms Where m is for moles, g for grams, and ms for mass. So now we need use this equation: 1.82 × 134.481438 = ? 1.82 × 134.481438 = 244.75621716 244.75621716, rounded-up (to the nearest-tenths place) is 244.76. So now you have it! The mass of 1.82 moles of lithium carbonate is 244.76!  

7 0
3 years ago
What is the molarity of a solution that contains 11.6 moles of LiNO3 in 13.7 liters of solution?
Tatiana [17]

The molarity of this should be around 0.846

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Formula: M= mols/liters

-----

So… M= 11.6/13.7⇒ 0.846

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2 years ago
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