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Vika [28.1K]
2 years ago
6

How many moles of a gas are in a 2.2 liter balloon at 1.3 atm and 85oC?

Mathematics
2 answers:
Solnce55 [7]2 years ago
7 0

Answer: n= 0.059 moles of gas

Step-by-step explanation:

vampirchik [111]2 years ago
4 0

Answer:

0.059 moles of gas

Step-by-step explanation:

P=600/ 760

P=0.79atm

then

n = PV/RT

n= 0.79 X 2.2 / 0.08206 X (85+273)

n= 0.059 moles of gas

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Suppose that the number of a certain type of computer that can be sold when its price is P (in dollars) is given by a linear fun
Scilla [17]

Answer:

a) N(P) = -6P + 16000

b) slope = -6 computers per dollar

That means the number of computer sold reduce by 6 per dollar increase in price.

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Step-by-step explanation:

Since N(P) is a linear function

N(P) = mP + C

Where m is the slope and C is the intercept.

Case 1

N(1000) = 10000

10000 = 1000m + C ....1

Case 2

N(1700) = 5800

5800 = 1700m + C ....2

Subtracting equation 1 from 2

700m = 5800 - 10000

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Substituting m = -6 into eqn 1

10000 = (-6)1000 + C

C = 10000+ 6000 = 16000

N(P) = -6P + 16000

b) slope = -6 computers per dollar

That means the number of computer sold reduce by 6 per dollar increase in price.

Slope is the change in number of computer sold per unit Change in price.

c) since slope m = -6 computers per dollar

∆P = 110 dollars

∆N = m × ∆P

Substituting the values,

∆N = -6 computers/dollar × 110 dollars

∆N = -660 computers.

The number of computer sold reduce by 660 when the price increase by 110 dollars

7 0
3 years ago
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