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algol13
2 years ago
5

What is 3.8 times 3.8

Chemistry
2 answers:
Zepler [3.9K]2 years ago
8 0

Answer:

14.44

Explanation:

garri49 [273]2 years ago
8 0

Answer:

14.44

Explanation:

If you take a pencil and do the math on paper you will get 14.44 :)

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The force that one massive object exerts to attract another object is called .
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Answer:

Gravity

Explanation:

The force that one massive object exerts to attract another object is called gravity.

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3 years ago
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When the following equation is balanced, what is the coefficient for NaNO3?
notka56 [123]

The coefficient for NaNO₃ = 6

<h3>Further explanation </h3>

Equalization of chemical reaction equations can be done using variables. Steps in equalizing the reaction equation:  

• 1. gives a coefficient on substances involved in the equation of reaction such as a, b, or c etc.  

• 2. make an equation based on the similarity of the number of atoms where the number of atoms = coefficient × index between reactant and product  

• 3. Select the coefficient of the substance with the most complex chemical formula equal to 1  

Reaction

AI(NO₃)₃ +Na₂SO₄ → Al₂(SO₄) + NaNO₃

give coefficient

aAI(NO₃)₃ +bNa₂SO₄ → Al₂(SO₄)₃ +c NaNO₃

Al, left=a, right=2⇒a=2

N, left=3a, right=c⇒3a=c⇒3.2=c⇒c=6

Na, left=2b, right=c⇒2b=c⇒2b=6⇒b=3

The equation becomes :

2AI(NO₃)₃ +3Na₂SO₄ → Al₂(SO₄)₃ +6NaNO₃

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3 years ago
Use the Periodic Table of the Elements to answer
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Answer:

b. lithium

Explanation:

Li the least likely, to lose an electron.

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If the copper cube had a mass of 28.7 grams and a volume of 3.2 mL, what would its density be?
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Answer:

ρ=m÷v

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