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3 years ago

What are the reactants in the reaction? What are their properties? Perform a quick Internet search, if needed.

1 answer:

7 0

The reactants in this reaction are sodium and chlorine. Sodium is a soft, silvery-white metal that is highly reactive. Chlorine is a poisonous greenish-yellow gas that has an odor and combines readily with other elements.

This might be the exact question so you might wanna rephrase it but good luck! :)))

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While exploring an ancient lava field, a geologist discovers a piece of granite that has a coating of soft, crumbling rust. What

Yuliya22 [10]

Answer:

A. Exposure to air has caused the iron-bearing minerals in the granite to oxidize.

Explanation:

The main cause of granite rust is a metal substance that remains in it's contact over a long period of time. As a result of a moist or wet environment, . a geologist discovers a piece of granite that has a coating of soft, crumbling rust.

Exposure to air has caused the iron-bearing minerals in the granite to oxidize.

Option A. is correct.

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3 years ago

Jamie completes the following steps in an experiment to investigate how temperature affects how fast something will rust in wate

JulijaS [17]

Answer:

Explanation:

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3 years ago

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Which subatomic particle adds atomic mass to an atom but without adding charge? A. ion B. proton C. electron D. neutron

alexandr1967 [171]

Neutron is the answer, it has no charge

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4 years ago

Read 2 more answers

A scientist is studying a chemical reaction. She predicts that after the reaction the product will have less chemical potential

Nady [450]

Hello!

A reaction where the products have less chemical potential energy than the reactants had originally is called an exothermic reaction. Although the scientist didn't observe light or sound, an observation that would support her prediction is the rise in temperature after the reaction has completed. Exothermic reactions release energy in the form of heat, and the temperature would rise in an exothermic reaction.

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3 0

4 years ago

An unknown compound was found to have a percent composition as follows: 47.0%, 14.5 carbon, and 38.5 oxygen. What is its empiric

shusha [124]

KCO₂

K₂C₂O₄

Explanation:

Given parameters:

Percent composition:

K = 47%

C = 14.5%

O = 38.5%

Molar mass of compound = 166.22g/mol

Unknown:

Empirical formula of compound = ?

Molecular formula of compound = ?

Solution:

The empirical formula of a compound is its simplest formula. Here is how to solve for it:

K C O

Percent

composition 47 14.5 38.5

Molar mass 39 12 16

Number

of moles 47/39 14.5/12 38.5/16

moles 1.205 1.208 2.4

Dividing

by smallest 1.205/1.205 1.208/1.205 2.4/1.205

1 1 2

Empirical formula KCO₂

Molecular formula

This is the actual combination of the atoms:

Molecular formula = ( empirical formula of KCO₂)ₙ

Molar mass of empirical formula = 39 + 12 + 2(16) = 83g/mol

n factor = $\frac{true molecular mass}{molar mas of empirical formula}$

n factor = $\frac{166.22}{83}$ = 2

Molecular formula of compound = ( KCO₂)₂ = K₂C₂O₄

Learn more:

Empirical formula brainly.com/question/2790794

#learnwithBrainly

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4 years ago