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mariarad [96]
3 years ago
14

heeeeelp what type of reaction is shown below? Fe+ Ci2= FeCi3 (i need and explination of how i got the answer) heelp pleass

Chemistry
1 answer:
OlgaM077 [116]3 years ago
3 0

Answer:

a chemical reaction

Explanation:

The fact that you are combining two different elements together makes this a chemical reaction. (hope that helps)

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Answer:

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8 0
3 years ago
How many atoms of lead are contained in 0.532mol?​
Colt1911 [192]

Answer:

3.2043 x 10²³

Explanation:

No. of Mole of lead (Pb) = 0.532 mol

No. of atoms of lead = ?

Solution:

Formula Used to calculate

no. of moles = numbers of particles (ions, molecules, atoms) /Avogadro's number

Avogadro's no. = 6.023 x10²³

So,

The formula could be written as

no. of atoms of lead Pb = no. of moles x 6.023 x10²³

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3 years ago
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3 0
3 years ago
A cylinder is filled with 10.0L of gas and a piston is put into it. The initial pressure of the gas is measured to be 96.0kPa. T
Norma-Jean [14]

Answer:

The final pressure of the gas is:- 21.3 kPa

Explanation:

Using Boyle's law  

{P_1}\times {V_1}={P_2}\times {V_2}

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Using above equation as:

{P_1}\times {V_1}={P_2}\times {V_2}

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{P_2}=\frac {{96.0}\times {10.0}}{45.0}\ kPa

{P_2}=21.3\ kPa

The final pressure of the gas is:- 21.3 kPa

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3 years ago
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