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Scrat [10]
3 years ago
14

Which process takes place when a rechargeable battery is recharged?electrons are pushed onto the positive cathode.electrons are

pushed onto the negative anode.electrons are pulled off of the positive anode.electrons are pulled off of the negative cathode.
Chemistry
1 answer:
LUCKY_DIMON [66]3 years ago
5 0

a...............................

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Which graph shows the pressure-temperature relationship for a gas at a fixed volume?
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The answer is

C. Graph A

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In the reaction of silver nitrate with copper metal, metallic silver comes out of solution, and the solution turns blue. This as
nlexa [21]

In the reaction of silver nitrate with copper metal, metallic silver comes out of solution, and the solution turns blue. This as a <u>single replacement</u> reaction.

<h3>What is single replacement reaction?</h3>

A single replacement reaction, also known as a single displacement reaction, occurs when one element in a molecule is swapped out for another. The starting materials are always pure elements, such as a pure zinc metal or hydrogen gas, plus an aqueous compound.

A + BC → B + AC

When A is more reactive than B or when the product AC is more stable than BC, single replacement reactions happen. A and B could either be two halogens or two metals (with hydrogen included) (C is a cation). C functions as a spectator ion when BC and AC are in aqueous solutions.

For example, 2HCl(aq)+Zn(s)→ZnCl₂(aq)+H₂(g)

Learn more about single replacement reactions here:

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8 0
1 year ago
A scientist finds that a sample of matter contains three types of atoms. The sample can be any of the following, except:
GrogVix [38]

Answer:

The correct answer is C. element

Explanation:

The sample cannot be an element because an element - or <em>elemental substance</em> - cannot be decomposed into simpler substances. Thus, it cannot be composed by differents types of atoms. For example, an element is carbon (C).

As the sample contains <u>three types of atoms</u>, it can be a compound, a molecule or a mixture, because they can be composed by different types of atoms - of different chemical elements. For example, the sample could contain the element carbon (C) combined with other elements, for example oxygen (O) or hydrogen (H), amoing others.

6 0
3 years ago
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Georgia [21]

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A limiting factor may be defined as a environmental condition or a resource that can limit the plant growth as well as distribution or the abundance of an organism or its population within the ecosystem. The ability  of any plant species to grow and spread throughout any geographic area is the direct result of the adaption to its biotic  and abiotic components of that region.

Some of the factor that affect the plant growth are : sunlight, air, proper temperature, moisture, nutrients, wind,etc.

The lack of the any one of the above essential component will determine the health of the  plant.

8 0
3 years ago
Marissa blows up balloons for a party. She decides how big or small to make each balloon. Why does the air she blows into each b
Oxana [17]
Air is it gas so it fills its container, the balloon, completely.
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