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lidiya [134]
3 years ago
13

calculate the mass of sodium trioxocarbonate(iv) produced by the complete decomposition of 16.8g of sodium hydrogen trioxocabona

te(iv)​
Chemistry
1 answer:
Usimov [2.4K]3 years ago
6 0

Answer:

question for you how does this app work old tell me

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In a
dsp73

Answer:

1384 kJ/mol

Explanation:

The heat absorbed by the calorimeter is equal to the heat released due to the combustion of the organic compound. C is the total heat capacity of the calorimeter and Δt is the change in temperature from intial to final:

Q = CΔt = (3576 J°C⁻¹)(30.589°C - 25.000°C) = 19986.264 J

Extra significant figures are kept to avoid round-off errors.

We then calculate the moles of the organic compound:

(0.6654 g)(mol/46.07) = 0.0144432 mol

We then calculate the heat released per mole and convert to the proper units. (The conversion between kJ and J is infinitely precise and is not involved in the consideration of significant figures)

(19986.264 J)(1kJ/1000J) / (0.0144432 mol) = 1384 kJ/mol

8 0
3 years ago
Explain why this compound is not a hydrocarbon. *<br> (2 points)
Shalnov [3]
Hydrocarbons are only made up of carbon and hydrogen. since this compound has chlorine, it is not a hydrocarbon
4 0
3 years ago
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Sergeeva-Olga [200]
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A couple is planning to have a child. The father -to-be has six fingers, a dominant trait. His genotype is Ff. His wife has five
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3 years ago
Explain the reason potassium was visible when using the cobalt glass. Describe what occured.
Korolek [52]

Explanation:

If potassium is burnt the ions go into a high state of energy. Once they cool, it gives off energy in the form of a visible spectrum which has a characteristic color Now, The cobalt glass blocks out yellow light, and potassium ion which is purple in color is visible.

3 0
3 years ago
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