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Lilit [14]
3 years ago
15

What is the number of electrons and protons can be seen in this atom?

Chemistry
1 answer:
pochemuha3 years ago
8 0

Explanation:

the number of electrons = 8

and protons = 8 can be seen in this atom

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An object has a mass of 4 grams and a volume of 2 cm^3.what is the density of the object?
stellarik [79]

Answer:

2.0 grams per cubic centimeter

Explanation:

(You can refer to the DMV triangle to help you solve this!)

Density = Mass/Volume

Density = 4.0g/2.0cm3

Density = 2.0g/cm3

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-Unicorns110504

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3 0
3 years ago
Read 2 more answers
What is the total number of liters of SO3 produced when 32.0 of SO2 reacts completely
ahrayia [7]
Write  the   chemical  equation   for  reaction
that  is  
2SO2+O2  --->2SO2

find  the   moles  of  SO2   used  =  moles=mass/molar mass  of  so2

=  32g/80g/mol=0.4 moles

by  use  of  reacting  ratio  between  SO2   and  SO3   which   is   2:2  therefore  the  moles  of  so3  is  also =  0.4  moles

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what  about  0.4moles

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4 0
3 years ago
How to calculate from moles to grams?<br> 4.0 moles of Cu(CN)2
andreyandreev [35.5K]

Answer: The mass of given amount of copper (II) cyanide is 462.4 g

Explanation:

To calculate the number of moles, we use the equation:

We are given:

Moles of copper (II) cyanide = 4 moles

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Putting values in above equation, we get:

Hence, the mass of given amount of copper (II) cyanide is 462.4 g

3 0
2 years ago
Do simple molecules conduct electricity? and why?
ira [324]
Yes they have electrons
7 0
3 years ago
When is the next lunar Eclipse and how do they happen?
kondaur [170]


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  ↑   ↑   ↑   Hope this helps! :D

6 0
3 years ago
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