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3 years ago

What is the pressure of 5.0 Mol nitrogen (N2) gas in a 2.0 L container at 268 K?

Chemistry

1 answer:

damaskus [11]3 years ago

4 0

Answer:

pressure is = 54.9802atm

Explanation:

using ideal gas equation

PV=nRT

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The slope of the line formed from ln(k) vs 1/T represents which of the following? A. Ea B. Ea/R C. -Ea D. -Ea/R

satela [25.4K]

Answer:

Explanation:

cause it looks right and I also studied but wait til someone gives another answer

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4 years ago

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Apply the law of conservation of energy to explain how energy is conserved when water evaporates?

ivanzaharov [21]

Energy and mass have not been created, the water has simply been changed to a different form, but it is still present, and could be condense down into the same form with the same mass.

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3 years ago

Which type of reaction happens when a base is mixed with an acid? question 1 options:?

madreJ [45]

Chemicals cancel each other out and produce a salt and water. A neutralization reaction my also occur

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3 years ago

Calculate the volume of H2(g) at 273 K and 2.00 atm that will be formed when 275 mL of 0.725 M HCl solution reacts with excess M

Ksenya-84 [330]

Answer:

$V=1.11L$

Explanation:

Hello,

In this case, the chemical reaction is:

$2HCl+Mg\rightarrow MgCl_2+H_2$

Thus, the reacting moles of hydrochloric acid are computed with the volume of the given solution:

$n_{HCl}=0.725\frac{mol}{L} *0.275L=0.199molHCl$

Hence, we perform the proportional factors having the 2:1 molar relationship between hydrochloric acid and hydrogen to find the yielded moles of hydrogen:

$n_{H_2}=0.199molHCl*\frac{1molH_2}{2molHCl} =0.0995molH_2$

Finally, by using the ideal gas equation we obtain the volume for the specified conditions as shown below:

$V=\frac{nRT}{P} =\frac{0.0995molH_2*0.082\frac{atm*L}{mol*K}*273K}{2.00atm} \\\\V=1.11L$

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3 years ago

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Measuring volume in mL

Agata [3.3K]

Answer:

Answer to the following question is as follows;

Explanation:

A millilitre is equal to the volume of a cube with 1 cm on each side. As a result, one millilitre equals one cubic centimetre. There are 1000 mL in a litre, that is the same as 1000 cm3 in a square metre.

1 ml = 1 cm³

1000 ml = 1 liter

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3 years ago