3 years ago

Define reversible change

1 answer:

8 0

a physical change that can be undone. A final substance can be converted back to the original substance without creating any new material. Freezing, melting, dissolving, boiling, evaporating and condensing are reversible changes.

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2. The number of molecules in 1.0 mole of So2 is the same as the number of molecules in:

m_a_m_a [10]

Answer:

1.0 moles of N2

Explanation:

since

1.0 × avogadro's no# = same answer for SO2 and N2

avogadro's no#= 6.02× 10²³

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3 years ago

A small 19 kilogram canoe is floating downriver at a speed of 5 m/s. What is the canoe's kinetic energy?

Oksanka [162]

the kinetic energy is the same as the canoes weight times its speed times the force of gravity.

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3 years ago

What was the biggest challenge you faced in getting to where you are today and how did you overcome it?

Alchen [17]

It’s all based on you but yours could be anything hard you went through and how you overcame it. Also say how it made you the person you are today

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3 years ago

Match the term with its description. Match Term Definition Chloroplast A) An organelle that contains chlorophyll and in which ph

Otrada [13]

Chloroplast is an organelle that contains clorophyll
Clorophyll is a green pigment present in all plants
Energy is a capacity to do work that can produce physical changes
Glucose is a type of sugar that is produced during Photosynthesis

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3 years ago

Read 2 more answers

1.)What is a chemical reaction?

harina [27]

A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. A chemical reaction is usually accompanied by easily observed physical effects, such as the emission of heat and light, the formation of a precipitate, the evolution of gas, or a color change. Photosynthesis is an example from daily life

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4 years ago