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levacccp [35]
3 years ago
15

The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance gain energy during a change of state

. Before the change, the atoms are close together and cannot slide past one another. After the change, the substance can fill its container. Which arrow represents the change of state described
Physics
2 answers:
Whitepunk [10]3 years ago
3 0
I think it's liquid to gas
cluponka [151]3 years ago
3 0

Answer:

n

Explanation:

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a sealed bottle of water was taken from a refrigerator and left in a warm kitchen. explain in the terms of its molecules what ha
DiKsa [7]

Answer:

Explanation:

The sealed bottle serves as an open system for the water molecules, thus heat energy can be exchanged with its surroundings. When the bottle is placed in a warm environment, there would be a gradual increase in the thermal energy of the molecules of water due to a change in the temperature of its surroundings.

Thus, the molecules of water closer to the boundary of the bottle absorbs heat, becomes lighter and changes position. This gradual process continues until all molecules attains an average temperature which equals that of the surroundings of the bottle.

Therefore, both the thermal energy and temperature of the water increases.

4 0
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Which statement explains what happens to older crust during seafloor spreading?
ikadub [295]

Answer:

the last one, It moves away from a mid-ocean ridge.

6 0
3 years ago
A piece of aluminum requires 4,000 J of energy to change
photoshop1234 [79]

Answer:

Mass, m = 105.58 g

Explanation:

We have,

Heat required in aluminium to change the temperature from 68°C to 110°C. It is required to find the mass of aluminium.

Concept used : Specific heat capacity

Solution,

The heat required to raise the temperature is given by :

Q=mc\Delta T

c is specific heat capacity, for Aluminium, c = 0.902 J/g-°C

m=\dfrac{Q}{c\Delta T}\\\\m=\dfrac{4000\ J}{0.902\ J/g^{\circ} C\times (110-68)^{\circ} C}}\\\\m=105.58\ g

So, the mass of aluminium is 105.58 grams.

8 0
3 years ago
A dump truck contains a load of soil. Which action will leave the dump truck's
soldier1979 [14.2K]

Answer:

D

Explanation:

This will not change the weight and therefore not change the inertia

3 0
3 years ago
Read 2 more answers
A thin stream of water flows smoothly from a faucet and falls straight down. At one point the water is flowing at a speed of v1
MrRa [10]

Answer:

The vertical distance between these two points is 12.28 cm.

Explanation:

Given that,

Speed of water = 1.23 m/s

Diameter at lower point d'= 0.787 d

We need to calculate the speed of water

Using continuity equation

A_{1}v_{1}=A_{2}v_{2}

\dfrac{\pi\times d^2}{4}v_{1}=\dfrac{\pi\times d'^2}{4}v_{2}

v_{2}=v_{1}\times(\dfrac{d}{d'})^2

Put the value into the formula

v_{2}=1.23\times(\dfrac{d}{0.787d})^2

v_{2}=1.98\ m/s

We need to calculate the  vertical distance h between these two points

Using Bernoulli theorem

P_{1}+\dfrac{1}{2}\rho v_{1}^2+\rho gh_{1}=P_{2}+\dfrac{1}{2}\rho v_{2}^2+\rho gh_{2}

Here, P₁ = P₂ = atmosphere pressure is same because both end is open

\dfrac{1}{2}\rho(v_{2}^2-v_{1}^2)=\rho\times g(h_{1}-h_{2})

(v_{2}^2-v_{1}^2)=2g(h_{1}-h_{2})

2g\times\Delta h=(v_{2}^2-v_{1}^2)

\Delta h=\dfrac{1.98^2-1.23^2}{2\times9.8}

\Delta h=12.28\ cm

Hence, The vertical distance between these two points is 12.28 cm.

6 0
4 years ago
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