CHEMISTRY MIDDLE SCHOOL

In the scientific method, analysis should follow

Answers

Answer 1
Answer: Analysis should follow hypothesis.

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Name the biome that has nutrient rich soil and is most often used for agriculture

Answers


I think its grasslands


hope this helps!!!

How does the absorption and release of energy affect temperature change during a chemical reaction?  PLEASE HELP!!!!!!!!!!!!!!!

Answers

heat is a form of energy. if the system absorbs heat/ energy it is endo thermic if it releases heat or energy it is eothermic

Answer:

Heat is a form of energy. BUT if the system absorbs heat/energy it is endothermic if it releases heat or energy it is exothermic.

Explanation:

If i walk 25 steps north than 75 steps south, what is my final position

Answers

it will be 50 steps going north.
this is a trick question as we don't know your starting position

Is ammonium permanganate ionic or covalent.

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Answer:

ammonium (If this helped, pls make me brainiest! Have a good day and i hope this helped! :D)

Explanation:

Examples of solid mixtures in a classroom

Answers

chalk, the air, cement

A potential energy diagram is shown.
What is the activation energy of this reaction?

Answers

Answer:

Ea = 35 kJ.

Explanation:

Activation energy (Ea) is the difference between the potential energy of intermediate "activated complex/ peak" and reactants.

Ea = P.E. of products - P.E. of reactants = 65 kJ - 30 kJ = 35 kJ.

kindly find the attached image.
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