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Lelu [443]
3 years ago
10

How do i find find moles for dilution useing the molarity formula??

Chemistry
1 answer:
Arada [10]3 years ago
4 0
<span><span>molarity =<span><span>moles of solute </span>
liter of solution</span></span><span><span>x M =</span><span><span>y moles </span>
    z L</span></span><span><span>2 M =</span><span><span>6 moles </span>
    3 L</span></span></span>
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Which relationship can be used to aid in the determination of the heat absorbed by bomb calorimeter? 
NARA [144]

Answer:

ΔH = q_{p}

Explanation:

In a calorimeter, when there is a complete combustion within the calorimeter, the heat given off in the combustion is used to raise the thermal energy of the water and the calorimeter.

The heat transfer is represented by

q_{com} = q_{p}

where

q_{p} = the internal heat gained by the whole calorimeter mass system, which is the water, as well as the calorimeter itself.

q_{com}  = the heat of combustion

Also, we know that the total heat change of the any system is

ΔH = ΔQ + ΔW

where

ΔH = the total heat absorbed by the system

ΔQ = the internal heat absorbed by the system which in this case is q_{p}

ΔW = work done on the system due to a change in volume. Since the volume of the calorimeter system does not change, then ΔW = 0

substituting into the heat change equation

ΔH = q_{p} + 0

==> ΔH = q_{p}

5 0
3 years ago
An indicator is what type of compound?
OleMash [197]
The letter (d.) strong base or acid would be the most appropriate answer to the question above. An indicator is a strong base or acid. Indicators are strong base and acid because through this you can determine if a compound is acid or base with its color.
3 0
3 years ago
Read 2 more answers
PLEASE HELPPP
rusak2 [61]

Answer; molecule

Explanation:

5 0
3 years ago
Calculate the mass in grams of 7.88 mol of RbMnO4
vitfil [10]
Molar mass RbMnO₄ = 204.40 g/mol

1 mole ---------- 204.40 g
7.88 mole ------ ?

mass = 7.88 * 204.40 / 1

mass = 1610.672 g

hope this helps!
8 0
3 years ago
If you burn 23.4 g of hydrogen and produce 209 g of water, how much oxygen reacted?
Kitty [74]
The chemical reaction is expressed as:

2H2 + O2 = 2H2O

To determine the amount of oxygen used in the reaction, we use the amount of water produced and the relation of the substances in the reaction we do as follows:

209 g H2O ( 1 mol / 18.02 g ) ( 1 mol O2  / 2 mol H2O ) ( 32 g / 1 mol ) = 185.57 g O2
6 0
3 years ago
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