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77julia77 [94]
2 years ago
10

What is the sum of the coefficients when the equation is balanced with the smallest whole numbers? __BaCl2 + __Fe2(SO4)3 → __FeC

l3 + __BaSO4 *?
Chemistry
1 answer:
aliina [53]2 years ago
8 0

Explanation:

Hphphphphphphphohoohohhpph

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Balence the following equation : _____ NH3 --------> _____ N2 + _____ H2
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2 NH3 -> 1 N2 + 3 H2

Explanation:

That would be the answer to this

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3 years ago
ASAPPP. Describe how you could determine the specific heat of a sample of a solid substance. You may
Allushta [10]

Answer:

I would use calorimetric to determine the specific heat and I would measure the mass of a sample

Explanation:

I would use calorimetry to determine the specific heat.

I would measure the mass of a sample of the substance.

I would heat the substance to a known temperature.

I would place the heated substance into a coffee-cup calorimeter containing a known mass of water with a known initial temperature.

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I would use the amount of energy lost by substance, mass, and temperature change to calculate specific heat.

8 0
3 years ago
40 g of CaCO3 is how many moles of CaCO3?<br> 10 moles<br> 0.4 moles<br> 40 moles<br> 100 moles
AleksandrR [38]

Answer:

0.4 moles

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To convert between moles and grams you need the molar mass of the compound. The molar mass of of CaCO3 is 100.09g/mol. You use that as the unit converter.

40gCaCO3* 1mol CaCO3/100.09gCaCO3 = 0.399640 mol CaCO3

This rounds to 0.4 moles CaCO3

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3 years ago
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