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Fed [463]
3 years ago
7

The universal gas law, pV = nRT, describes the relationship among the pressure, volume, and temperature of a gas. p = pressure V

= volume T = temperature (Kelvin) n = number of moles (quantity of gas particles) R = universal gas constant At a constant temperature of 1 K, the pressure and volume of 1 mole of gas vary inversely. Use the values in the table to find the value of R. volume (Liters): 4.155, 16.62, 33.24. pressure: 2, 0.5, 0.25
Mathematics
2 answers:
kakasveta [241]3 years ago
5 0

Answer:

The value of R is, 8.31

Step-by-step explanation:

Given the universal gas law:

pV = nRT              ....[1]

where,

p = pressure

V = volume

T = temperature (Kelvin)

n = number of moles (quantity of gas particles)

R = universal gas constant

It is given that at a constant temperature of 1 K, the pressure and volume of 1 mole of gas vary inversely.

⇒T = 1 K and n = 1

Since, pressure and volume varies inversely.

⇒pV = k   where, k is constant

to find k:

From the given table:

p=2 and V = 4.155

then;

2 \cdot 4.155 = k

⇒8.31 = k

or

k = 8.31

pV =8.31

We have to find value of R:

Substitute pV = 8.31 and the given values in [1] we have;

8.31 = 1 \cdot R \cdot 1

⇒8.31 = R

or

R = 8.31

Therefore, the value of R is, 8.31

Step2247 [10]3 years ago
3 0

Answer:

R ≈ 8.31

Step-by-step explanation:

Filling in the given values ...

... pV = nRT

... 2·4.155 = 1·R·1

... 8.31 = R

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Lady bird [3.3K]

Answer:

the  radius of the circle is 6cm

Step-by-step explanation:

the area of a circle is given to be  = 36πcm²

radius of the circle = ?

to find the radius of the circle lets start by applying  the formula for finding the area of a circle.

area of a circle = πr²

36πcm² = πr²

36π = πr²

divide both sides by π

36π/π = πr²/π

36 = r²

to get the value of r we are going to look for a way of getting rid of the square on "r" by squaring 36

r² = 36

r =√36

r = 6cm

therefore the  radius of the circle is 6cm

5 0
3 years ago
Students at Maple school earned $708 selling candles. They want to accumulate $2000 for a club trio. What percent of their goal
Sholpan [36]

Answer:

<u>The correct answer is 35.4%</u>

Step-by-step explanation:

Let's check the information provided in the question:

Savings goal = US$ 2,000 for the club trip

Earnings for the candles selling = US$ 708

For calculating the accumulated percentage, we can do it this way:

Accumulated percentage = Earnings / Savings goal

Accumulated percentage = 708 / 2,000 * 100

Accumulated percentage = 0.354 * 100

<u>Accumulated percentage = 35.4%</u>

<u>Students at Maple School has accumulated 35.4% of their savings goal with the candles selling.</u>

5 0
3 years ago
How do you make32/60 a percent
drek231 [11]

32/60 =

32 ÷ 60 ≈

0.533333333333333 =

0.533333333333333 × 100/100 =

0.533333333333333 × 100% =

(0.533333333333333 × 100)% ≈

53.333333333333% ≈

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Eddi Din [679]

Answer:

In this equation R would equal 88 because it satisfies the equation.

Step-by-step explanation:

You must solve for R by isolating the variable(which is R). To move the 1/8, multiply both sides by 8. You would do this because 8 is the reciprocal of 1/8. With R on it's own, to keep both sides equal multiply 11*8. That equals 88, which satisfies the equation, which is why 88 is the solution.

Hope this helps :)

8 0
3 years ago
A linear equation is an equation whose graph is a straight line
DaniilM [7]

Answer:

True

Step-by-step explanation:

Plotting the point of any linear equation on a graph gives a straight line

7 0
2 years ago
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