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ipn [44]
3 years ago
6

The earth is only several thousands of years old. True False

Chemistry
1 answer:
Nadusha1986 [10]3 years ago
8 0

Answer:

FALSE!

Explanation:

It was created millions of years ago.

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Which of the following foods is likely lowest in nutritional value and highest in fat?
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Tomato Suop Creamchsee almonds and pears
6 0
4 years ago
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In the following equation:
Luda [366]

Answer:

FeCl₃

Explanation:

                 4FeCl₃  +   3O₂     => 2Fe₂O₃+ 6Cl₂

Given =>  7moles     9moles

A simple way to determine which reagent is the limiting reactant is to convert all given data to moles then divide by the respective coefficients of the balanced equation. The smaller value will be the limiting reactant.

                 4FeCl₃     +   3O₂     => 2Fe₂O₃+ 6Cl₂

Given =>  7/4 = 1.75*     9/3 = 3

*Smaller value => FeCl₃ is limiting reactant.  

NOTE: However, when working problems, one must use original mole values given.

   

7 0
4 years ago
What happens to acetone molecules when you add heat to a beaker of liquid acetone? They gain a higher average kinetic energy. Th
iVinArrow [24]
When you heat up most substances it gives them more Kinetic energy and the substance becomes less arranged in an ordered state, further apart and move faster. therefore the answer is the first: They gain a higher average kinetic energy

Hope that helps :)
7 0
3 years ago
URGENT! Consider the following decomposition reaction of ammonium carbonate ((NH4)2CO3):
dexar [7]
<span>Using PV=nRT to find the moles and then convert back.
</span><span>4x=.8944
</span><span>solve for x then use the pressure for lets say CO2 put that into PV=nRT then solve for n then convert over.
</span>
<span>(.2236)(2)/(298*.08206) = .0183*96g/mol = 1.76g
</span>
<span>For C:

[NH3]^2[CO2][H2O] = Kp
x=0.2236 (2*.2236)^2(.2236)*(.2236)
  =0.001
</span>
6 0
3 years ago
Help me out w this plz
zhannawk [14.2K]
Cant see the picture
4 0
3 years ago
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