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Goshia [24]
4 years ago
15

Choose all the answers that apply.

Chemistry
1 answer:
9966 [12]4 years ago
6 0
The answer would be B 
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Boyles Law P1V1 = P2V2
arsen [322]

Answer:

A. The balloons will increase to twice their original volume.

Explanation:

Boyle's law states that the pressure exerted on a gas is inversely proportional to the volume occupied by the gas at constant temperature. That is:

P ∝ 1/V

P = k/V

PV = k (constant)

P = pressure, V = volume.

P_1V_1=P_2V_2

Let the initial pressure of the balloon be P, i.e. P_1=P, initial volume be V, i.e. V_1=V. The pressure is then halved, i.e. P_2=\frac{P}{2}

P_1V_1=P_2V_2\\\\P*V=\frac{P}{2} *V_2\\\\V_2=\frac{2*P*V}{P}\\\\V_2=2V

Therefore the balloon volume will increase to twice their original volume.

3 0
3 years ago
What type of star has an absolute brightness of 1 and a surface temperature of around 7,500 °C?
Morgarella [4.7K]
I believe the answer would be b giant
7 0
3 years ago
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How many sp2 and sp3 are in caffeine?
BartSMP [9]

Answer:

5.56×10²² molecules of AlPO4

Explanation:

i think thats is the correct answer if its wrong im really sorry

7 0
3 years ago
The half-life of a radioactive isotope is 20 minutes. What is the total amount of 1.00 g of sample of this isotope remaining aft
Nikolay [14]
So since every 20 mins the mass will be cut in half (and that happens 3 times), you have just got to divide 1g by 2, 3 times.

after 20 mins the mass will be .5

after 40 mins the mass will be .25

Answer: After 1 hour the mass will be .125g
6 0
3 years ago
Read the scenario. is this an example of weather, climate, or neither?
Brilliant_brown [7]

Answer:

it is just because of the weather because that's how it usually is in Arizona

Explanation:

8 0
2 years ago
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