When volume and pressures are given, it means we need to use Boyles' law formula--> P1V1 = P2V2
P1= 100 kPa
V1= 5.0 L
P2= 50 kPa
V2= ???
let's plug in the values.
(100 x 5.0) = (50 x V2)
V2= 10 L
Explanation:in testing for oxygen a glowing splint is used.
the glowing splint is brought in the presence of the test tube containing the gas
the glowing splint rekindles or lights up showing that oxygen is present.
this is a positive test because oxygen supports burning or combustion
<span>The hardest known mineral is diamond.
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Answer:
2.5 moles of NaCl
Explanation:
The balanced chemical reaction equation is shown in the image. Since it takes 2 moles of Hydrochloric acid to form two moles of sodium. Chloride, then 2.5 moles of hydrochloric acid should also form 2.5 moles of sodium chloride according to the balanced reaction equation.