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Anna71 [15]
3 years ago
13

What is five plus forty five

Chemistry
2 answers:
zhenek [66]3 years ago
8 0

Answer:

55. I hope this helps you!

ziro4ka [17]3 years ago
5 0

Answer:

5+ 45 = 50 is the answer....

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2.When copper (II) nitrate reacts with sodium hydroxide, copper (11) hydroxide is produced.
Ann [662]

Answer:

 

2Cu + S ~~~> Cu2S Copper (C) reacts with sulfur (S) to form copper sulfide as shown in the equation. A scientist adds 12.7 grams of Cu to 3.2 grams of S to start the reaction.

Explanation:

7 0
2 years ago
How many moles of zinc are there in 0.890 g of zinc?
NNADVOKAT [17]

Answer:

There are  

4.517

⋅

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Explanation:

Since we know that there are  

6.022

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23

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4 0
2 years ago
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Look at the following balanced equation. How many atoms of oxygen (O) are present on the reactant side of the equation?
balu736 [363]

There are 6 atoms of oxygen on the reactant side of the following equation: 2Fe2O3 + 3C → 4Fe + 3CO2. Details about atoms can be found below.

<h3>How to find number of atoms?</h3>

The number of atoms of an element in a balanced equation is the amount of that element involved in the reaction.

According to this question, Iron oxide reacts with carbon to produce iron and carbon dioxide as follows:

2Fe2O3 + 3C → 4Fe + 3CO2

In this reaction, 2 × 3 atoms = 6 atoms of oxygen are present on the reactant side of the equation.

Learn more about number of atoms at: brainly.com/question/8834373

#SPJ1

4 0
2 years ago
Which of the following describes a nonmetal
anastassius [24]

Answer:

b is the answer

Explanation:

non metals are not shiny, brittle, unmalleable, and are poor conductors of thermal energy and electrical current.

4 0
3 years ago
How are water molecules able to weakly bond to one another with hydrogen bonds?
zvonat [6]

C. slight opposite charges

Explanation: opposites attract

8 0
3 years ago
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