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AVprozaik [17]
3 years ago
11

Why do we learn about Laws and Motion ​

Chemistry
1 answer:
Tomtit [17]3 years ago
8 0

So you don't jump off a cliff thinking you could fly. Laws and Motion are heavily used in jobs and help us understand more about the mechanics of how earth's gravity operates. Imagine in the future where we could manipulate gravity? That's why we learn and study this so much.

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What makes matelloids a group of there own
11111nata11111 [884]
They have thier own group because because they have traits or metals and nonmetals
7 0
3 years ago
How many moles of calcium nitrate would react with 4.55 moles of chromium(iii) sulfate to produce calcium sulfate and chromium(i
Rasek [7]
The equation for the reaction between the calcium nitrate and chromium sulfate to form calcium sulfate and chromium(iii) nitrate is,
                            3Ca(NO3)2 + Cr2(SO4)3 --> 3CaSO4 + 2Cr(NO3)3
The balanced equation shows that for every 1 mole of chromium sulfate, there will be 3 moles of calcium nitrate. Therefore for this item, there will be 4.55 moles times 3 which is equal to 13.65. 
6 0
3 years ago
Read 2 more answers
An object has a density of 20.00 g/mL. If the object has a volume of 50.00 mL, what is its mass?
LuckyWell [14K]

Answer:

<h3>The answer is 1000 g</h3>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume of object = 50 mL

density = 20 g/mL

We have

mass = 20 × 50

We have the final answer as

<h3>1000 g</h3>

Hope this helps you

5 0
3 years ago
Sodium atoms combine with chlorine atoms to form sodium chloride (table salt). Which part of Dalton’s atomic theory explains why
zepelin [54]
Correct answer is:

,,Atoms can react together, be separated from each other, or be rearranged via chemical reactions. "

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4 0
3 years ago
How many valence electrons are in beryllium?
stellarik [79]
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3 years ago
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