2 years ago

Katrina tried to take pictures with her cell phone but discovered that its battery was dead. What happened to the battery?

Chemistry

2 answers:

Aleks04 [339]2 years ago

4 0

C. All the energy stored in the battery had been transformed.

Mandarinka [93]2 years ago

4 0

C. All the energy stored in the battery had been transferred

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Which statement best describes the compressibility of a gas?

atroni [7]

Hey there!

The answer to this question would most likely be the 3rd choice, (option C)

Increasing the pressure on a gas decreases the volume

Good luck on your assignment and enjoy your day!

~ $LoveYourselfFirst:)$

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3 years ago

A solution of acetic acid and water contains 205.0 g L-1 of acetic acid and 820.0 g L-1 of water. Compute the density of the sol

LekaFEV [45]

Answer:

$\rho_t=1025000 gmL^{-1}$

Explanation:

From the question we are told that:

Density of acetic acid $\rho_a=205 gL^{-1}$

Density of Water $\rho_w=820 gL^{-1}$

Generally the equation for Solution Density is mathematically given by

$\rho_t= \rho_w+\rho_a$

$\rho_t=205+820$

$\rho_t=1025 gL^{-1}$

$\rho_t=1025000 gmL^{-1}$

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2 years ago

If 40.5 J of heat is added to a 15.4 g sample of silver, what will the change in temperature be? (Specific heat of silver is 0.2

crimeas [40]

Answer:

623.7

Explanation:

40.5*15.4=623.7

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2 years ago

When the substance dissolves the solution is not transparent true or false <br>

bogdanovich [222]

Answer:

Some substances dissolve when you mix them with water. When a substance dissolves, it might look like it has disappeared, but in fact it has just mixed with the water to make a transparent (see-through) liquid called a solution.

Explanation:

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2 years ago

How many particles are in 7.07x10^-6 moles of a substance?

Butoxors [25]

Answer:

4.25*10^18

Explanation:

1 mole =6.023*10^23 particles

so 7.07*10^-6 mole=6.023*10^23*7.07*10^-6 particles=4.25*10^18 particles

5 0

3 years ago