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3 years ago

The minimum energy required to start a reaction

Chemistry

2 answers:

nadya68 [22]3 years ago

8 0

Answer: Activation energy

Explanation:

Activation energy is the minimum energy required to initiate a chemical reaction.

It is the minimum energy required to excite reactant to break bonds and react with each other in the system while creating new products.

sergeinik [125]3 years ago

7 0

The answer to that question would be Activation energy. If would like me to elaborate just let me know. :)

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The oxidation number of what atom or ion decreases in the following reaction?

Flauer [41]

The oxidation number of I (iodine) decreases the in the described chemical reaction from 0 to -1.

Explanation:

We have the following chemical reaction:

I₂ + 2 KCl → KI + Cl₂

The following atoms have a change in the oxidation number:

I with a 0 oxidation number (in I₂) goes to I with -1 oxidation number (in KI) by receiving 1 electron.

Cl with a -1 oxidation number (in KCl) goes to I with 0 oxidation number (in Cl₂) by losing 1 electron.

Learn more about:

oxidation number

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3 years ago

An Arrhenius bad is a

diamong [38]

Answer:

according to me I think acid is answer

Explanation:

answer is acid

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2 years ago

Q: What property of propane does Rodriguez change using the burner? Support your answer with evidence from the text.

UNO [17]

Answer:

The wind is starting to blow stronger, and when you’re riding in a basket under a hot air

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Explanation:

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2 years ago

Amestec 140 g solutie 9% cu 260 g solutie 12%, cu 60 g apa si x g solutie 4%. Ce c procentuala are noua solutie %?

Levart [38]

Answer:

PLEASE SOMEONE SOLVE THE QUESTION OR I'M GONNA FAIL

Explanation:

Purpose and Theory: A tablet of vitamin C contains the active ingredient called ascorbic acid (HC,H,0.).

Ascorbic acid is an organic acid which is a white power and is soluble in water.

In the following microtitration lab you will be grinding up a vitamin C tablet

, and using a 0.10 g sample of the

vitamin C powder, which will be dissolved in 20-40 mL of water. This solution will be used to determine the

quantity of ascorbic acid in a commercial vitamin C tablet.

Groups

Lab 2

# of Drops 1 or Drops 2 of Drops 3

Hadia

Data & Analysis:

Complete the missing information in the following data table [24]

Trial

Volume of NaOH (drops)

0 05mL drop

(NaOH (O 0050mol/L)

Volume of NaOH (ML)

Average Volume of NaOH (ml)

T I

O 0050

00050

The balanced chemical reaction between ascorbic acid and sodium hydroxide is:

HC,H,O + NaOH NaC,H,Oye H,O,

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3 years ago

Someone please answer

BARSIC [14]

1) 100s of millions of years ago Trees and plants fall into swamps

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4) Over millions of years more pressure and heat turns Peat into coal

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3 years ago