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Amanda [17]
3 years ago
15

What is the pH scale based on

Chemistry
1 answer:
Olin [163]3 years ago
4 0

Answer:

pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

Explanation:

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A substance that is held together by an ionic bond is ?
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D. A salt e.g NaCl is held by ionic bond
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Measure the mass to the nearest 0.01 g
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Measure which mass? I recommend editing the question so that I can answer it and get more points >:)
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What force was applied to an object if 35 j of work was done and the object moved 7 m?
Serjik [45]

5N force was applied to an object if 35 j of work was done and the object moved 7 m

A force is an effect that can alter an object motion according to physics and an object with mass can change its velocity or accelerate as a result force and also force is as push or pull and work done by the force on an object means assuming that direction of the force is parallel to the displacement of the object

Then the formula is

W = f × d

Where f is the magnitude of force and d is the displacement of the object

Then W = 35 J is the work done and

d = 7m is the displacement of the object

So rearrange the equation then

F = 35/7 = 5N

5N force was applied to an object if 35 j of work was done and the object moved 7 m

Know more about object

brainly.com/question/11748734

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8 0
2 years ago
BaS + PtF2 = BaF2 + PtS
dedylja [7]
I think it is 
Barium Sulfide + Platinum Difluoride = Barium Fluoride + Platinum Sulfide<span>
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3 0
4 years ago
A functional group is a specific arrangement of atoms in an organic compound that is acmpavle if characteristic reactions
STatiana [176]

Explanation:

(a) a functional group is a special group of atoms or bonds in a compound that is responsible for the chemical reactions, behavior, and characteristics of that compound. (b) Functional group is present in both the compound is alcohol (-OH).

Functional groups are specific groupings of atoms within molecules that have their own characteristic properties, regardless of the other atoms present in a molecule. Common examples are alcohols, amines, carboxylic acids, ketones, and ethers.

Key Points

Functional groups are often used to “functionalize” a compound, affording it different physical and chemical properties than it would have in its original form.

Functional groups will undergo the same type of reactions regardless of the compound of which they are a part; however, the presence of certain functional groups within close proximity can limit reactivity.

Functional groups can be used to distinguish similar compounds from each other.

Key Terms

functional group: A specific grouping of elements that is characteristic of a class of compounds, and determines some properties and reactions of that class.

functionalization: Addition of specific functional groups to afford the compound new, desirable properties.

4 0
3 years ago
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