What do not have a definite shape or volume in sience?

Answers

Answer 1

Answer: it is gas such as oxygen,nitrogen,hydrogen,etc

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What are examples of electrical energy

Answers

Electrical energy is made up of negative and positive particles. Lightning, lamp, TV, computer.

lamp
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Name three types of bodies in the solar system

Answers

Sun, the plants, dwarf plants. you could also say gas giants.

Planets,stars, moons and a lot of more bodies in the solar system

If the water is hot then the food coloring will spread faster,because?

Answers

Answer:

Warm water has more energy than cold water. The more energy the more the water molecules move around pushing the food coloring. Think gas—liquid is evaporated because of heat and the molecules move more than in a liquid state.

A helium nucleus is formed from hydrogen nuclei. What nuclear change has occured? a.) beta decay b.) none c.) alpha decay d.) nuclear fusion

Answers

Answer:

alpha decay

Hope this helps. :)

Identity and describe the sequence of dissolving

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let hope this helps if you put salt in the water the water (eats) as i would say and breaks into pieses until its fully dissolved

:)

Please help i will give you 50 points what is the density of a book whose mass is 1,800 g and whose volume is 300 cm2

what is the mass of a ball whose density is 0.250 g/cm3 and whose is 200 cm3

Answers

Answer : The density of book is $6g/cm^3$

The mass of a ball is, 50 grams.

Explanation :

Part 1 :

Density : It is defined as the mass contained per unit volume.

Formula used :

$Density=(Mass)/(Volume)$

Given :

Mass = 1800 g

Volume = $300cm^3$

Now put all the given values in the above formula, we get :

$Density=(1800g)/(300cm^3)=6g/cm^3$

Therefore, the density of book is $6g/cm^3$

Part 2 :

Formula used :

$Density=(Mass)/(Volume)$

Given :

Volume = $200cm^3$

Density = $0.250g/cm^3$

Now put all the given values in the above formula, we get :

$0.250g/cm^3=(Mass)/(200cm^3)$

$Mass=0.250g/cm^3* 200cm^3=50g$

Therefore, the mass of a ball is 50 grams.

Answer: For your first question about the book, the answer is 6 g/cm^3. For the ball, your mass is 50 grams.

Explanation: density = mass/volume; for example: your book was 1,800 g. Divide that by 300 cm^3 to get 6g/cm^3. For the ball, mass = density*volume, so you need to multiply .250 by 200 cm^3

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