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irina [24]
3 years ago
11

How does the quote "We are already far, so high! What? Are we really leaving these people down there?" contribute to the story?

(Paragraph 7)
Chemistry
1 answer:
dusya [7]3 years ago
6 0

Answer:

what is the paragraph about

Explanation:

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The number of moles of c atoms in 3.20 moles of c2h60
Vladimir [108]
3,2mol * 2 = 6,4mol of C atoms
7 0
3 years ago
(6.93 x 10) (2.0 x 10^-4) =
lora16 [44]

1.386×10^-2 or 0.01386

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The enthalpy of combustion of naphthalene (MW = 128.17 g/mol) is -5139.6 kJ/mol. How much energy is produced by burning 0.8210 g
bazaltina [42]

The energy produced by burning : -32.92 kJ

<h3>Further explanation</h3>

Delta H reaction (ΔH) is the amount of heat change between the system and its environment

(ΔH) can be positive (endothermic = requires heat) or negative (exothermic = releasing heat)

The enthalpy and heat(energy) can be formulated :

\tt \Delta H=\dfrac{Q}{n}\rightarrow n=mol

The enthalpy of combustion of naphthalene (MW = 128.17 g/mol) is -5139.6 kJ/mol.

The energy released for 0.8210 g of naphthalene :

\tt Q=\Delta H\times n\\\\Q=-5139.6~kJ/mol\times \dfrac{0.8210~g}{128.17~g/mol}~\\\\Q=-32.92~kJ

3 0
2 years ago
Please help fast, I will give brainliest!
miss Akunina [59]
I think it’s 20 mol
Sorry if I’m wrong
4 0
3 years ago
Read 2 more answers
Metallic pan is provided with a wooden plastic handle give reason​
AlladinOne [14]

The metallic pan iis most likely going to be used on a stove.

The stove is heating something, and the conductive metallic pan will, well, conduct that heat throughout the entire body of the pan. Doing this will spread the heat to the handle, burning your hands.

Both wood and plastic are insulators, and they do not conduct heat or electricity. They will insulate your hands and protect them from the heat.

5 0
3 years ago
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