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Dennis_Churaev [7]
3 years ago
5

A chemical reaction done at STP conditions is supposed to produce 0.011 moles of CO2 gas. How many liters of gas will that be?

Chemistry
1 answer:
Alja [10]3 years ago
7 0

Answer:

V = 0.24 L.

Explanation:

Hello there!

In this case, it is possible to approach this problem by using the ideal gas equation defined by:

PV=nRT

Whereas our unknown is V, volume, and we solve for it as follows:

V=\frac{nRT}{P}

Then since the STP conditions are ate 273.15 K and 1 atm, the volume of 0.011 moles of CO2 gas turns out to be:

V=\frac{0.011mol*0.08206\frac{atm*L}{mol*K}*273.15K}{1atm}\\\\V=0.24L

Regards!

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While in a covalent bond, the atoms are bound by shared electrons and the electronegativity values are the same.

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Câu 4. Khối lượng H2SO4 trong 150 gam dung dịch H2SO4 14% là
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21 gam

Explanation:

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Sub-groups on periodic table
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Answer:

Subgroups S, P, D, F, including elements of blocks s, p, d, f, respectively.

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4 0
3 years ago
What mass of chromium would be produced from the reaction of 57.0 g of potassium with 199 g of chromium(II) bromide according to
fredd [130]

Answer:

Mass of Chromium produced = 37.91 grams

Explanation:

2K + CrBr₂  →  2KBr + Cr

2mole     1 mole                1 mole

mass of Potassium = 57.0 grams

molar mass of Potassium = 39.1 g/mol

no of moles of Potassium = 57.0 / 39.1 = 1.458 moles

mass of CrBr₂= 199 grams

molar mass of CrBr₂ = 211.8 gram/mole

no of moles of CrBr₂ = 199 / 211.8 = 0.939 mole

From chemical equation

1 mole of CrBr₂ = 2 moles of K

∴ 0.939 moles of CrBr₂ = ?

   ⇒ 0.939 x 2/1 = 1.878 moles of K

1.878 moles of K is needed, but there is 1.458 moles of K. So, Potassium is completed first during the reaction . Hence, Potassium is limiting reagent. and CrBr₂ is excess reagent .

From chemical equation

2 moles of K = 1 mole of Cr

∴ 1.458 moles of K = ?

   ⇒ 1.458 x 1/ 2 = 0.729 moles of Cr

no of moles of Cr formed = 0.729 moles

molar mass of Cr = 52.0 g/mol

mass of one mole of Cr = 52.0 grams

mass of 0.729 moles of Cr = 52.0 x 0.729 = 37.908 grams

mass of Chromium produced = 37.91 grams

6 0
3 years ago
Metals such as iron, lead, copper, and zinc have relatively ___ specific heats. This means it takes ___ energy to chan thejr tem
ivann1987 [24]

B. Low; very little

Explanation:

Metals such as iron, lead, copper and zinc have low specific heats. This means that it takes very little energy to change their temperature.

Specific heat is the heat required to raise the temperature of 1g of substance by 1°C.

Metals have good thermal conductivity and generally have low specific heat. This implies that their temperature can easily be raised when heated.

Some substances like water have very high specific heat. This suggests that they require more heat to raise their temperature.

Learn more:

Specific heat brainly.com/question/7210400

#learnwithBrainly

7 0
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