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CaHeK987 [17]
3 years ago
7

Given the following equation, how many moles of Fe2O3 can be produced from 6.4 moles O2?

Chemistry
1 answer:
scoundrel [369]3 years ago
5 0

Answer:

4.3 moles of Fe2O3

Explanation:

The calculations are shown in the picture.

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a certain piece of copper wire is determined to have a mass of 2.0 0g per meter how many centimeters of the wire would be needed
harina [27]

The given question tells you that a certain piece of wire has a mass  = 2.0 g per meter

That means that if you consider a piece of wire that is 1 m in length, its mass will be equal to  2.00 g .

According to question,

Now, you know that

1 m = 100 cm

Mass of  2.00 g  of copper will correspond to a wire that is a 100 cm long.

This implies that  0.28 gof copper will correspond to a wire that is

0.28 g * 100 cm /  2.0 g = 14 cm long

Hence, 14 cm of the wire would be needed to provide 0.28 g of copper.

Properties of Copper :

High conductivity and ductility.

Non magnetic.

To know more about Copper here:

brainly.com/question/19761029?referrer=searchResults

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3 0
1 year ago
The conversion of cyclopropane to propene in the gas phase is a first-order reaction with a rate constant of 6.7 x 10-4 s -1 at
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Answer:

C_f=0.1755M

Explanation:

Hello,

Based on the information and the units of the given data, the integrated rate law turns out into:

\frac{dC}{dt}=-kC\\ C_f=C_0exp(-kt)\\C_f=0.25M*exp(-6.7x10^{-4}s^{-1}*8.8min*\frac{60s}{1min} )\\C_f=0.1755M

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What is one similarity between radiation and conduction
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They have to all have to do with the movement/transfer of heat.

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A compound contains 34.5% calcium, 24.1% silicon and 41.4% oxygen by mass. What is its empirical formula?
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<em>empirical \: formula \\  = CaSiO3 \\ please \: see \: the \: attached \: picture \\ hope \: it \: helps</em>

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