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BlackZzzverrR [31]
3 years ago
12

HURRY WHICH ONE IS IT??

Chemistry
2 answers:
aliya0001 [1]3 years ago
8 0

Answer:

Protons are positive, electrons are negative, neutrons have to charge. Most of an Atoms mass comes from its protons and neutrons

Explanation:

I took some notes in my notebook about Atoms.

vichka [17]3 years ago
5 0
What sean said ^^^ ya yaayayayaya
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Which types of reactions would result in a change in temperature?
Law Incorporation [45]

Answer:

Chemical reaction involves the breaking of bonds in the reactants and formation of bonds in the products. ... If a reaction is exothermic, more energy is released when the bonds of the products are formed than it takes to break the bonds of the reactants. This is the reason for temperature change during a reaction.

Explanation:

Here are just a few everyday demonstrations that temperature changes the rate of chemical reaction: Cookies bake faster at higher temperatures. Bread dough rises more quickly in a warm place than in a cool one.

6 0
3 years ago
What is a solution in chemistry
Hatshy [7]
Solutions are a type of mixture.

A solution is a homogeneous mixture of particles so small that they cannot be seen and cannot be filtered out.

Definition: Homogeneous mixture looks the same.

I grabbed these from my science notes, hope this helps.
4 0
3 years ago
What is the value of work done on an object when a 50–newton force moves it 15 meters in the same direction as the force?
victus00 [196]

Answer:

work done = 750 J

Explanation:

Given data:

Force on object = 50 N

Distance covered = 15 m

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W = F. d

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F = force

d = distance

Now we will put the values in formula.

W = 50 N × 15 m

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7 0
3 years ago
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Answer:

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How many moles of oxygen are needed to react with 100.0 grams of aluminum?
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