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Nesterboy [21]
3 years ago
12

True or False: The bowling ball pendulum didn’t hit Bill Nye in the face because the amount of kinetic energy can never be more

than the amount of potential energy, some of the energy is transferred to heat.
Chemistry
1 answer:
Ira Lisetskai [31]3 years ago
3 0

Answer: false

Explanation:

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Write the chemical formula for disilicon hexabromide.
Rasek [7]

Answer:

Br6Si2

Explanation:

5 0
3 years ago
If an object has more positive charges than negative charges, the object has an overall?
djyliett [7]
The object has an overall positive charge.
7 0
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Treatment of phenol with excess aqueous bromine is actually more complicated than expected. A white precipitate forms rapidly, w
Anettt [7]

Answer:

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Explanation:

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8 0
3 years ago
A sample of oxygen gas occupies 3.60 liters at a pressure of 1.00 atm. If temperature is held constant, what will be the volume
Soloha48 [4]

Answer: The volume of the oxygen gas at a pressure of 2.50 atm will be 1.44 L

At constant temperature, the volume of a fixed mass of gas is inversely proportional to the pressure it exerts, then

PV = c

Thus, if the pressure increases, the volume decreases, and if the pressure decreases, the volume increases.

It is not necessary to know the exact value of the constant c to be able to use this law since for a fixed amount of gas at constant temperature, it is satisfied that,

P₁V₁ = P₂V₂

Where P₁ and P₂ as well as V₁ and V₂ correspond to pressures and volumes for two different states of the gas in question.

In this case the first oxygen gas state corresponds to P₁ = 1.00 atm and V₁ = 3.60 L while the second state would be P₂ = 2.50 atm and V₂ = y. Substituting in the previous equation,

1.00 atm x 3.60 L = 2.50 atm x y

We cleared y to find V₂,

V₂ = y = \frac{1.00 atm x 3.60 L}{2.50 atm} = 1.44 L

Then, <u>the volume of the oxygen gas at a pressure of 2.50 atm will be 1.44 L</u>

3 0
3 years ago
A 5.00-L tank contains helium gas at 1.50 atm. What is the pressure of the gas in mmHg
bulgar [2K]

Answer:

  1140 mmHg

Explanation:

1 atmosphere is 760 mmHg, so 1.5 atmospheres is ...

  1.5×760 mmHg = 1140 mmHg

4 0
3 years ago
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