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2 years ago

ANSWER THESE 3 QUESTION AND I WILL GIVE OUT THE BRAINLIEST

Chemistry

2 answers:

Lana71 [14]2 years ago

6 0

Answer:

A positive acceleration means and increase

A negative acceleration is a decrease

a zero acceleration is a constant movement so its not increasing or decreasing just constant

Explanation:

ladessa [460]2 years ago

4 0

<h2> $\sf \pink{Question}$ </h2>

What is a positive acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

If the velocity of an object increases with time, its acceleration is positive.

<h2 /><h2> $\sf \pink{Question}$ </h2>

What is a zero acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

Zero acceleration is an acceleration, just with zero magnitude. Motion with constant velocity is just a special case of motion with uniform acceleration.

<h2> $\sf \pink{Question}$ </h2>

What is a negative acceleration ?

<h2> $\sf \blue{Answer}$ </h2>

A negative acceleration means you will subtract from the current value of the velocity, and a positive acceleration means you will add to the current value of the velocity. ... And if the acceleration points in the opposite direction of the velocity, the object will be slowing down.

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Answer:

Explanation:

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2 years ago

Which of the substances are elements please help

ivanzaharov [21]

Answer:

Substances 1 and 2

Explanation:

an element only has 1 kind of atoms :3

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3 years ago

The electronic configuration of phosphorous is 2.8.5. Explain, in terms of its electronic configuration, why phosphorus is in gr

Setler [38]

Answer:

Explanation:

phosphorus belongs to group 5 of the periodic table because it has 5 electron in its outermost shell the number of electron in the outermost shell of electron determine the group of the element in the periodic table

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2 years ago

Both __________ and __________ can be classified as pure substances because they have distinct properties and composition.

musickatia [10]

Answer:

Both <u>elements </u>and <u>compounds</u> can be classifies as pure substances because they have distinct properties and composition.

Explanation:

Elements and compounds are considered as pure substances because both are always formed form are have same kind of atoms.

For example,

Carbon dioxide is compound. It always consist of one carbon atom and two oxygen atoms.

Water is compound it always have same kind of atoms two hydrogen and one oxygen that's why compounds are considered as pure substances.

Same is the case with elements. For example,

Hydrogen is element and it always consist of H atoms.

Iron is another element and it always have iron atoms.

So elements and compounds are always consist of same substances that's why they are considered as pure.

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3 years ago

Compounds form as a result of chemical

vampirchik [111]

Answer:A compound is formed as a result of chemical reaction, between the constituent elements

Explanation:

A compound is formed as a result of chemical reaction, between the constituent elements. The properties of compound are different from the properties of the elements from which it is formed. Ex. Compounds can be further divided into three classes : acids, bases and salts, on the basis of their properties.

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2 years ago