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3 years ago

which letter would be the most meaningful variable for the problem situation the weight of a box increase by 5

Mathematics

1 answer:

Natalija [7]3 years ago

4 0

Answer:i

Step-by-step explanation:

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The volume of 400 mL of chlorine gas at 400 mm Hg is decreased to 200 mL at constant temperature. What is the new gas pressure?

rusak2 [61]

A. Let us first assume that the gas acts like an ideal gas so that we can use the ideal gas equation:

PV = nRT

where P is pressure, V is volume, n is number of moles, R is universal gas constant and T is absolute temperature

In this case, let us assume that nRT = constant so that:

P1V1 = P2V2

400 mm Hg * 400 mL = P2 * 200 mL

P2 = 800 mm Hg

<span>B. The collision of gas with the walls of the container produces Pressure.</span>

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3 years ago

Read 2 more answers

In 56 years Kevin will be 9 times as old as he is right now. How old is he right now?

Artyom0805 [142]

Kevin is 6-7 years old as 6.2222222222 x 9 is 56

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3 years ago

If Free Yer Assets Bank (FYAB) will give you 0.25% compounded quarterly and I.M.A.Q.T.π bank will give you 0.23% interest compou

ivann1987 [24]

Answer:

FYAB gives a better deal.

Step-by-step explanation:

Compound interest:

$A = P(1 + \dfrac{r}{n})^{nt}$

Continuously compounded interest:

$A = Pe^{rt}$

For the quarterly compounded interest, r = 0.25%, and n = 4.

$2P = P(1 + \dfrac{0.0025}{4})^{4t}$

$1.000625^{4t} = 2$

$\log (1.000625^{4t}) = \log 2$

$4t(\log 1.000625) = \log 2$

$t = \dfrac{\log 2}{4\log 1.000625}$

$t = 277$

For the continuously compounded interest, r =0.23%

$A = Pe^{rt}$

$2P = Pe^{0.0023t}$

$2 = e^{0.0023t}$

$\ln 2 = \ln e^{0.0023t}$

$\ln 2 = 0.0023t$

$t = \dfrac {\ln 2}{0.0023}$

$t = 301$

The quarterly compounded doubles in 277 years.

The continuously compounded doubles in 301 years.

Answer: FYAB gives a better deal.

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3 years ago

What is the totale of the recta<br> square meter

yan [13]

Answer:

Step-by-step explanation:

7 0

2 years ago

PLS HELP PLS PLS PLS WILL MARK BRAINLIEST

Ksenya-84 [330]

Answer: C
It’s going down by the same rate of change, 2.

4 0

3 years ago

which letter would be the most meaningful variable for the problem situation the weight of a box increase by 5​

which letter would be the most meaningful variable for the problem situation the weight of a box increase by 5