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yulyashka [42]
3 years ago
9

The graph shows a car's velocity over time. Velocity versus Time 60 40 Velocity, in mph forward 30 20 10 4 1 2 3 5 G Time, in se

conds (s) What is the car's acceleration from 0 to 1 second? A. 8 mph/s B. 60 mph/s C. 10 mph/s D. 20 mph/s​

Chemistry
2 answers:
ivanzaharov [21]3 years ago
8 0
It is number two bc I can know
inna [77]3 years ago
7 0

Answer:D. 20mph/s

Explanation: I got it correct on A P E X

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A bicycle pump contains 250 mL of air at a pressure of 102 kPa. If the pump is
CaHeK987 [17]

Considering the Boyle's law, the new volume becomes 1,148,344.444 mL or 1148.34 L.

<h3>Boyle's law</h3>

Boyle's law relates pressure and volume, stating that the volume occupied by a given mass of gas at constant temperature is inversely proportional to pressure. This means that if the pressure increases, the volume decreases, while if the pressure decreases, the volume increases.

Boyle's law is expressed mathematically as:

P×V=k

Now it is possible to assume that you have a certain volume of gas V1 which is at a pressure P1 at the beginning of the experiment. If you vary the volume of gas to a new value V2, then the pressure will change to P2, and the following is true:

P1×V1=P2×V2

<h3>New volume</h3>

In this case, you know:

  • P1= 102 kPa= 10335.1 atm (being 1 kPa= 101.325 atm)
  • V1= 250 mL
  • P2= 2.25 atm
  • V2= ?

Replacing in the Boyle's law:

10335.1 atm ×250 mL= 2.25 atm×V2

Solving:

(10335.1 atm ×250 mL)÷ 2.25 atm= V2

<u><em>1,148,344.444 mL= 1148.34 L=  V2</em></u>

Finally, the new volume becomes 1,148,344.444 mL or 1148.34 L.

Learn more about Boyle's law:

brainly.com/question/4147359

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2 years ago
If the copper ion just GAINED electrons,
viva [34]
Reduction is the answer
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3 years ago
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Which of the following compounds would be named with a name that ends in -yne?
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Anything with a triple bond ends with -yne so that would be C
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3<br> En la troposfera los gases se mantienen constante y en movimiento.<br> (1 Point)
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Mercury-203 undergoes beta minus decay. 203 80 hg → 203 81 tl ? the subatomic particle produced is a(n) . 203 80 hg → 203 81 tl
cricket20 [7]

The correct balanced equation of a beta decay undergone by Mercury-203 is as follows:

203 80 Hg → 203 81 + 0 -1 e

<h3>What is beta decay?</h3>

Beta decay in radioactivity refers to the release of a beta particle by a radioactive element.

Beta particle is characterized by the possession of mass number 0 and atomic number -1.

This means that if Mercury-203 undergoes beta decay, the atomic number of the resulting isotope will be +1 as follows:

203 80 Hg → 203 81 Tl + 0 -1 e

Learn more about beta radiation at: brainly.com/question/1580990

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