3 years ago

What are atoms of the same element with different numbers of neutrons called?

Physics

1 answer:

Andrei [34K]3 years ago

6 0

Answer:

These are called isotopes.

Explanation:

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If there is 3.4 m3 of methane gas in a container with a pressure of 18.9 atm and the container expands until the methane has a p

Veseljchak [2.6K]

Answer:

C. 29.21 m³

Explanation:

<u>Given the following data;</u>

Initial volume, V1 = 3.4 m³
Initial pressure, P1 = 18.9 atm
Final pressure, P2 = 2.2 atm

To find the final volume, we would use Boyle's law;

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

PV = K

$P_{1}V_{1} = P_{2}V_{2}$

Making V2 the subject of formula, we have;

$V_{2} = \frac {P_{1}V_{1}}{P_{2}}$

Substituting the values into the formula, we have;

$V_{2} = \frac {18.9 * 3.4}{2.2}$

$V_{2} = \frac {64.26}{2.2}$

<em>Final volume, V2 = 29.21 m³</em>

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3 years ago

Which pair of quantities represent scalar quantities, and how are they different from vector quantities?

Ann [662]

They don't have directions.

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3 years ago

Which equation relates charge, time, and current?

san4es73 [151]

Answer:

The first one

Explanation:

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B. A car is moving 4.0 m/s to the right. The car begins to accelerate at a rate of 1.5 m/s/s, to the right. After

Maurinko [17]

There you go, hope that helps.

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2 years ago

What affect, if any, does increasing the speed of the plunger have on the wavelength of the waves

mojhsa [17]

As the speed of the plunger increases, the wavelength of the waves decreases. The greater the frequency, the smaller the wavelength. The smaller the frequency, the greater the wavelength. When we increase the speed of the plunger, the frequency of the waves also increases, and just like with the size of the ball, it’s the speed of the plunger and the frequency of the waves are directly related.

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3 years ago