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Jlenok [28]
3 years ago
11

Question 7 (1 point)

Chemistry
1 answer:
Anastasy [175]3 years ago
5 0

Answer:

2.28bar

Explanation: Boyle's law P1V1=P2V2 manipulate formula in favor of V2 the new formula should beP1V1/V2

0.895*318/125=2.2768 but to same sigfig it is 2.28

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The following balanced equation shows the formation of ethane (C2H6).
almond37 [142]

Answer:

C

Explanation:

Well, we can see from the equation that hydrogen gas and ethane are in a 2:1 ratio based on their mole coefficients.

You need 2 mol H2 to make 1 mol C2H6. So that means you need 2*13.78 mol H2 to make 13.78 mol C2H6!

2*13.78 = 27.56 mol

C is correct.

4 0
4 years ago
1 Compared to the charge of a proton, the charge of all electron has
Airida [17]
The answer is (4). The same magnitude and the opposite sign. For a proton, it has one positive electric charge. And for electron, it has one negative electric charge. So they have same magnitude but opposite sign.
3 0
4 years ago
How many moles are in 2.3 grams of phosphorus? :(
tatiyna

Answer:

there are 0.074 moles in 2.3 grams of phosphorus

4 0
4 years ago
Someone drops a book on the floor, and it makes a loud noise. At that time, you turn to look at the person who dropped the book.
Rudiy27

Answer: Stimulus

Explanation: The definition of Stimulus is "a thing or event that evokes a specific functional reaction in an organ or tissue," according to the Oxford Dictionary. So the book dropping and causing a noise is an example of a stimulus.

6 0
4 years ago
If 1.00 mol of argon is placed in a 0.500- L container at 24.0 ∘C , what is the difference between the ideal pressure (as predic
swat32

The difference between the ideal pressure and the pressure calculated by the Van Der Waal equation is 2.08 atm.

<h3>What is the pressure?</h3>

In this problem, we are mandated to obtain the pressure both by the use of the ideal gas equation and then the use of the Van der Walls equation.

Using the idea gas equation;

PV = nRT

P = nRT/V

P = pressure

V = volume

n = number of moles

T = temperature

R = gas constant

P = 1 * 0.082 * (24 + 273)/0.5

P = 48.7 atm

Using the Van Der Wall equation:

P = RT/(V - b) - a /V^2

P = 0.082 * 297/(0.5 - 0.03219) - 1.345/(0.5)^2

P = 24.354/0.46781 - 1.345/ /0.25

P = 52 - 5.38

P = 46.62 atm

The difference between the ideal pressure and the pressure calculated by the Van Der Waal equation is; 48.7 atm - 46.62 atm = 2.08 atm

Learn more about ideal gas equation:brainly.com/question/3637553

#SPJ1

8 0
2 years ago
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