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Brums [2.3K]
3 years ago
8

One sentence describing the difference between pure substances and mixtures.

Chemistry
2 answers:
Alja [10]3 years ago
6 0

Answer:

A pure substance is made up of only one ingredient or combination. A mixture is made up of two or maybe more separate components that are not chemically linked.

Explanation:

aev [14]3 years ago
5 0
A pure substance consists of only one element or one compound. A mixture consists of two or more different substances that are not chemically joined together.
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Write a hypothesis to describe The relationship between earthquakes and tsunamis
Usimov [2.4K]
They're both are very destructed and have risk for the peiple
3 0
3 years ago
a solution of iron 3 sulfate and a solution of lead 2 perchlorate react to produce lead 2 sulfate precipitate
777dan777 [17]

Balanced equation :

Fe2(SO4)3 + 3Pb(ClO4)2 → 2Fe(ClO4)3 + 3PbSO4

<h3>Further explanation</h3>

Given

Word equation

Required

Balanced equation

Solution

Chemical equations can be expressed in terms of:

  • word equation
  • skeleton equation
  • balanced equation

Word equation :

a solution of iron 3 sulfate and a solution of lead 2 perchlorate react to produce lead 2 sulfate precipitate

Skeleton equation :

Fe2(SO4)3 + Pb(ClO4)2  → Fe(ClO4)3 + PbSO4

Balanced equation :

Fe2(SO4)3 + 3Pb(ClO4)2 → 2Fe(ClO4)3 + 3PbSO4

7 0
3 years ago
C. What is oxidized in the reaction? What is reduced? (2 points)
Rina8888 [55]

Answer:

Oxidation: a type of chemical reaction where one or more electrons are lost.

Oxidation State / Number: a number assigned to an atom describing its degree of oxidation, meaning how many electrons it has gained or lost.

Reduction: a type of chemical reaction where one or more electrons are gained.

Oxidation-Reduction Reaction: a chemical reaction where oxidation and reduction occurs simultaneously

Explanation:

Reduction always occurs at cathode

Oxidation always occurs in anode

These two process occurs in same way independent of nature of cell whether voltaic or electrolytic.

6 0
2 years ago
Using the measurements in the table, determine which unidentified metal has the lowest density
Oliga [24]
C is the correct answer because density is mass per unit volume and when you divide it we that volume is greater than mass so density is less density density is directly proportional to Mass Density is inversely proportional to volume
3 0
3 years ago
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Can a mini fridge still be used if you break the freezer
Romashka [77]
The fridge part can, just not the freezer, I think.
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4 years ago
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