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tankabanditka [31]
3 years ago
14

How well can you apply Boyle’s law to this sample of gas that experiences changes in pressure and volume? Assume that temperatur

e and number of moles of gas are constant in this problem.
Using the first volume and pressure reading on the table as V1 and P1, solve for the unknown values in the table below. Remember to use the rules of significant figures when entering your numeric response.
A:
B:
C:
D:

Mathematics
2 answers:
snow_tiger [21]3 years ago
6 0

Answer:

A: 1.0

B: 0.50

C: 0.60

D: 4.0

emmasim [6.3K]3 years ago
4 0

Answer:

A = 1.0 L

B = 0.50 atm

C = 0.60 atm

D = 4.0 L

Step-by-step explanation:

According to the Boyle's law, the volume of a gas is inversely proportional to its volume. If we consider an initial state (1) and a final state (2):

P₁ × V₁ = P₂ × V₂

A

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = 3.0 atm × A

A = 1.0 L

B

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = B × 6.0 L

B = 0.50 atm

C

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = C × 5.0 L

C = 0.60 atm

D

P₁ × V₁ = P₂ × V₂

1.5 atm × 2.0 L = 0.75 atm × D

D = 4.0 L

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nasty-shy [4]

Answer:

Jennifer would complete the job on her own in 5 hours.

Step-by-step explanation:

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

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This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\Delta}}{2*a}

x_{2} = \frac{-b - \sqrt{\Delta}}{2*a}

\Delta = b^{2} - 4ac

Rates

The together rate is the sum of their separates rate.

We have that:

Jennifer takes x hours to complete the job on her own, so her rate is 1/x.

Carl needs 15 hours longer than Jennifer, that is, 15 + x hours, so his rate is 1/(15+x).

The together rate is 1/4. So

\frac{1}{4} = \frac{1}{x} + \frac{1}{15+x}

\frac{1}{4} = \frac{15 + x + x}{x(15+x)}

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Applying cross multiplication.

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x^2 + 15x = 60 + 8x

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Quadratic equation with a = 1, b = 7, c = -60. So

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x_{2} = \frac{-7 - \sqrt{289}}{2} = -12

Since the time to complete the job has to be a positive value.

Jennifer would complete the job on her own in 5 hours.

4 0
2 years ago
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Alenkinab [10]

Answer:

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Step-by-step explanation:

We need to find the cost of a bottle of soap.  We divide the cost by the number of bottles

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We also need to find the cost for a sponge

$5.00/4 = $1.25 per sponge

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cost = 2 * 1.52 + 3 * 1.25

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Step-by-step explanation:

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<h3>Set of inequalities</h3>

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Learn more on inequality here: brainly.com/question/24372553

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