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vagabundo [1.1K]
3 years ago
5

What volume is occupied by 2.0 mol of gas at 3.0 atm and 27 °C?

Chemistry
1 answer:
Oduvanchick [21]3 years ago
4 0
STP conditions imply a temperature of 273.15 K and a pressure of 100 kPa. When tose conditions are met, 1 mole of any ideal gas will have a volume of 22.7 L. So, if 1 mole occupies a volume of 22.7 L, 2 moles will occupy a volume twice as big. Likewise, 0.5 moles will occupy half the volume 1 mole occupies.
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What does an atom gain or lose in an oxidation-reduction reaction?
Lapatulllka [165]

Answer: electrons

Explanation:

Oxidation is the loss of electrons during a reaction by a molecules, atom or ion. Oxidation occurs when the oxidation state a molecule, atom or ion is increased. The opposite process is called reduction , which occurs when there is a gain of electrons or the oxidation state of an atom, molecule, or ion decreases

4 0
3 years ago
Just need help on this one
lys-0071 [83]

Answer:

2Cs+Sr(CrO4)-->Cs2(CrO4)+Sr

Explanation:

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7 0
3 years ago
Read 2 more answers
Carlos is making phosphorus trichloride using the equation below. He uses 15.5 g of phosphorus and collects 50.9 g of phosphorus
Oxana [17]

Answer : The mass of chlorine reacted with the phosphorus is, 53.25 grams.

Explanation :

First we have to calculate the moles of phosphorus.

\text{Moles of phosphorus}=\frac{\text{Mass of phosphorus}}{\text{Molar mass of phosphorus}}

\text{Moles of phosphorus}=\frac{15.5g}{31g/mol}=0.5mol

Now we have to calculate the moles of Cl_2

The balanced chemical reaction is:

2P+3Cl_2\rightarrow 2PCl_3

From the balanced chemical reaction, we conclude that

As, 2 moles of phosphorous react with 3 moles of Cl_2

So, 0.5 moles of phosphorous react with \frac{3}{2}\times 0.5=0.75 moles of Cl_2

Now we have to calculate the mass of Cl_2

\text{Mass of }Cl_2=\text{Moles of }Cl_2\times \text{Molar mass of }Cl_2

Molar mass of Cl_2 = 71 g/mol

\text{Mass of }Cl_2=0.75mol\times 71g/mol=53.25g

Therefore, the mass of chlorine reacted with the phosphorus is, 53.25 grams.

4 0
4 years ago
Read 2 more answers
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Explanation:

3 0
2 years ago
When looking at a chemical reaction, the substance present before the reaction takes place are called the (5) and the substance
faltersainse [42]

Answer:

Explanation:

When looking at a chemical reaction, the substance present before the reaction takes place are called the (5)

REACTANT

and the substance produced after the reaction are the (6).

PRODUCT

know through the Law of Conservation of (7)

MATTER

that nothing is created or destroyed. This is reflected in a (8

BALANCED

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equal

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REMEMBER: WHEN BALANCING EQUATIONS YOU CANNOT CHANGE THE SUBSCRIPTS OF THE COMPOUNDS, YOU CAN ONLY SHOW BY THE COEFFICIENTS HOW MANY MOLECULES YOU HAVE!

4 0
3 years ago
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