PHYSICS HIGH SCHOOL

Which property of physical changes explains why matter is conserved in a physical change? The arrangements of particles do not change, and the bonds between atoms do not break. Mass, not energy, changes in a physical change. Energy and mass change in a physical change. The bonds between atoms do not break; it is only the arrangement that changes.

Answers

Answer 1
Answer: The property of physical changes that explains why matter is conserved in a physical change is - the bonds between atoms do not break; it is only the arrangement that changes.
Answer 2
Answer:

Answer: it's D

Explanation:

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Answers

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You are 15.0m from the source of a sound. At that distance, you hear it at a sound level of 20.0dB. How close must you move to the sound to increase the sound level to 60dB?I think its 45.0cm?

15.0cm
45.0cm
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60.0cm
85.0cm

Answers

The answer is 45.0cm

Answer:

Explanation:

its 85 cm because it just is in meters it would be .8m  which would be decent distance to hear it

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Answers

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Answers

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The volume of a gas is 605 liters at 27.0°C. The new temperature is -3.0°C. What is the new volume?-67.2 L
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Answers

According to  the Charle's law, the new volume of gas is -545 L when the pressure is constant.

What is Charle's law?

Charles law is an experimental gas law which provides description about the behavior of gases which tend to expand on heating.It states that, at constant pressure, the temperature is in direct proportion with the volume that is,V∝T or V₁/T₁=V₂/T₂.The relation between volume and temperature is linear as the temperature increases volume also increases.

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The new volume of gas is obtained by substituting values in the formula V₂=605×(-270)/300=-545 L.

Thus, the new volume of gas is -545 L.

Learn more about Charle's law,here:

brainly.com/question/21184611

#SPJ2
from p1v1/t1 = p2v2/t2
pressure unchanged ... cancelled out
v1=605 , t1=27C = 300K,
t2=-3C = 270K
***remember temperature must be in Kelvin
we got
605/300 = v2/270
v2 = 545

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Answers

the vector diagram has been attached
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