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umka2103 [35]
3 years ago
13

How many grams of the reactant water is needed to make 800.00g of calcium carbonate? The balance equation is:

Chemistry
1 answer:
Ket [755]3 years ago
8 0

Answer:

432.1 grams of water

Explanation:

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Perform the following calculations and give your answer with the correct number of significant figures of 10.5+11.62
Pavel [41]
When it comes to addition of numbers the final answer should have the same number of decimal places as the least precise value or in other words the number with least number of decimal places
10.5 - has 1 decimal place
11.62 has 2 decimal places
add 10.5 + 11.62 = 22.12
the number with least number of decimal places is 10.5 with only 1 decimal place
therefore answer too should have 1 decimal place
22.12 rounded off to 1 decimal place is 22.1
answer is 22.1
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3 years ago
What is common between the burning of a wick lamp using ghee and the burning of
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A common could be the light and heat produced by the candles, and possibly the scent. I'm not completely sure.

7 0
2 years ago
Use the periodic table to complete each nuclear fusion equation.
Crank

Answer:

A: 5

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Explanation:

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4 0
3 years ago
H2(g)+I2(s)→HI(s)H2(g)+I2(s)→HI(s) balance equations
poizon [28]

Answer:

H2(g)+I2(s)→2HI(s)

Explanation:

Hello there!

In this case, according to the given information and unbalanced chemical reaction, we infer it must be balanced in agreement with the law of conservation of mass because the reactants side has two hydrogen and iodine atoms whereas the products side has just one. In such a way, by placing a 2 on HI, we obtain the following balanced reaction:

H2(g)+I2(s)→2HI(s)

Regards!

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3 years ago
Approximately how many mineral species have scientists identified?
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