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Romashka [77]
3 years ago
6

Matter is anything that has mass. What is the smallest unit of matter known as?

Chemistry
1 answer:
AveGali [126]3 years ago
8 0

Answer:

Atom

Explanation:

Its the smallest unit into which matter can be divided without the release of electrically charged particles.

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Predict the missing component in the nuclear equation
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The answer is C since both charge and mass have to be balanced on both sides of the equation.

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1 year ago
Many grams of aluminum are required to produce 3.5 moles Al2O3 in the presence of excess O2?
Aleks [24]
The  grams  of aluminum  that are required   to produce  3.5  moles of AlO3  in  presence of excess O2   is calculated as  below

write  the  equation for reaction
4 Al + 3O2 =2 Al2O3

by use of mole  ratio between  Al  to  Al2O3   which  is  4 :2  the moles of  Al 
=3.5 x4/2 = 7  moles

mass of Al  =  moles /   x molar mass

= 7 moles  x27 g/mol  =189  grams

4 0
3 years ago
What is the volume of 2.1 moles of chlorine gas (Cl2) at standard temperature and pressure (STP)?
uysha [10]
Given:
<span> 2.1 moles of chlorine gas (Cl2) at standard temperature and pressure (STP)
Required:
volume of CL2
Solution:
Use the ideal gas law
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V = (2.1 moles Cl2) (0.08203 L - atm / mol - K) (273K) / (1 atm)
V = 47 L</span>
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3 years ago
The amount of kinetic energy an object has depends upon which of the following factors?
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So its I and IV.
The correct answer is B.
Hope it helps!
#MissionExam001
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What is Markanikov rule?<br>​
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