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katovenus [111]
3 years ago
11

If i have a 50 liter container that holds 45 moles of gas at a temperature of 200 degrees C, what is the pressure inside the con

tainer? Step by step answer please.
Chemistry
1 answer:
sweet-ann [11.9K]3 years ago
8 0

Answer:

34.91 atm

Explanation:

Step 1:

Data obtained from the question include:

Volume (V) = 50L

Number of mole (n) = 45 moles

Temperature (T) = 200°C

Pressure (P) =?

Note: Gas constant (R) = 0.082atm.L/Kmol

Step 2:

Conversion of celsius temperature to Kelvin temperature.

T (K) = T (°C) + 273

T (°C) = 200°C

T (K) = 200°C + 273

T (K) = 473K

Step 3:

Determination of the pressure.

The pressure inside the container can be obtained by using the ideal gas equation as follow:

PV = nRT

Divide both side V

P= nRT / V

P = (45 x 0.082 x 473) / 50

P = 34.91 atm

Therefore, the pressure inside the container is 34.91 atm

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A compound has an empirical formula of AB and a molar mass of 90 g/mol. What is its
Lelu [443]

Answer:

A3B3

Explanation:

Molecular formula = n x empirical formula

(AB) n = 90

MM of AB = 30 g/mol

30n = 90

Divide both side by the coefficient n i.e 30

n = 90/30 = 3

Molecular formula = n x empirical formula

Molecular formula = n x (AB)

Molecular formula = 3(AB) = A3B3

8 0
3 years ago
Potassium chlorate decomposes into potassium chloride and oxygen gas. How many grams of oxygen are produced when 1.06 grams of p
kifflom [539]

The amount of oxygen that are produced when 1.06 grams of potassium chlorate decompose completely is 0.64 grams.

<h3>What is the relation between mass & moles?</h3>

Relation between the mass and moles of any substance will be represented as:

  • n = W/M, where
  • W = given mass
  • M = molar mass

Moles of potassium chlorate = 1.66g / 122.5g/mol = 0.0135mole

Given chemical reaction is:

2KClO₃ → 2KCl + 3O₂

From the stoichiometry of the reaction, it is clear that:

2 moles of KClO₃ = produces 3 moles of O₂

0.0135 moles of KClO₃ = produces (3/2)(0.0135)=0.02 moles of O₂

Mass of oxygen = (0.02mol)(32g/mol) = 0.64 g

Hence produced mass of oxygen is 0.64 grams.

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5 0
2 years ago
Match each property to the appropriate subatomic particle.
sladkih [1.3K]
Proton = +1
neutron = 0
electron = -1
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Jill said that when you are standing in front of a fire you are warm because you release the coolness of your body to the heat o
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Greg is correct, Jill is wrong. Only heat can be released.
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3 years ago
A 10g vial must have 45ml of diluent added to it. it has a powder volume of 5ml. how many mgr will be in each ml of the final so
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The solution has a concentration 20 mgr in each mL of the final solution.

To solve this problem, we need to know about concentration. The concentration formula can be defined as how much the mass per unit volume is. It can be written as

M = m/V

where M is concentration, m is mass of solute, V is the total volume of solution.

From the text we know that :

m = 10g

vsolvent = 45mL

vsolute = 5 mL

find the total volume (V)

V = vsolvent + vsolute

V = 45 + 5

V = 50mL

Then, find the concentration

M = m/V

M = 10gr / 50 mL

M = 1000 mgr / 50mL

M = 20 mgr / mL

Hence, the solution has a concentration 20 mgr in each mL of the final solution.

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6 0
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