CHEMISTRY MIDDLE SCHOOL

Convert 30.0 cm to meters

Answers

Answer 1
Answer:

Answer:

your answer would be 0.3 meters
Answer 2
Answer:

To get the meter you have to divide the length 30 value by 100

which will give you 0.3.

Hope this helped! Have an amazing rest of your day :)

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I’m general,what was would a scientist do after forming a testable question

Answers

Develop a hypothesis.

Name three variables that affect a living system

Answers

Environment, Temperature, and Food.

This reaction is an explosive reaction of a strong acid combining with a strong base.H2SO4 + 2NaOH → 2H2O + Na2SO4

Which compounds are the reactants and which are the products?

A.
reactants: H2SO4 + 2NaOH
products: 2H2O + Na2SO4

B.
reactants: 2NaOH + Na2SO4
products: H2SO4 + 2H2O

C.
reactants: 2H2O + Na2SO4
products: H2SO4 + 2NaOH

D.
reactants: H2SO4 + 2H2O
products: 2NaOH + Na2SO4

Answers

A) reactants: H2SO4 + 2NaOH and products: 2H2O + Na2SO4
The reactants are found on the left side of the equation, before the arrow.
The products are found on the right side of the equation, after the arrow.

Answer:

A. Reactants: H2SO4 + 2NaOH

products: 2H2O + Na2SO4

Explanation:

Is melting cheese a physical or chemical change it's for science

Answers

In the given question, melting cheese is a type of physical change.

A physical change is defined as a change in the physical properties of a substance, such as its shape, size, or state, without changing its chemical composition.

When cheese is melted, it changes from a solid to a liquid state, but its chemical composition remains the same. The molecules in the cheese are simply rearranged as it is heated, causing it to melt.

Therefore, melting cheese is a physical change. This is because the cheese changes from a solid to a liquid state, but its chemical composition remains the same.

Learn more about physical change here:

brainly.com/question/23918906

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It is a physical change because it is a solid going to a liquid.

Give two examples in your everyday experience where diffusion occurs. Can you think of a situation of where this might be harmful?

Answers

The first example of diffusion is smoking a cigarette when u light it it spreads through the air. 
The second example is lighting a candle in a room it the smoke spreads through the air. 
Smoke can be very bad for the air and the people around because it can cause many problems with your breathing. 

What is the correct formula for xenon hexafluoride

Answers

Formula for Xenon hexafluoride is XeF6
The formula for Xenon Hexafluoride is XeF6
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