Answer:
¹/3 C3H8(g) + ⁵/3 O2(g)
Explanation:
The coefficient before every molecule is representative of the number of moles. We can represent it in ration form so as to calculate the question;
C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(l) means;
For every 1 mole of C₃H₈(g) and 5 moles of O₂(g) produces 3 moles of CO₂(g) and 4 moles of H₂O(l).
Therefore to produce 1.00 mole of CO₂(g);
We represent it in ratio;
C₃H₈(g) : CO₂(g)
1 : 3
For more on evaluating moles in chemical reactions check out;
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Answer:
alot
Explanation:
because salt contains stuff
During evaporation, liquid particles on the surface momentarily gain enough energy due to random thermal motion to overcome the intermolecular attractions and escape into the gas phase. These evaporating particles, by virtue of gaining energy, also increase in velocity.
Thus, the correct answer here would be the third choice.
<u>Answer: </u>
of volume needs to be pipetted out in the test tube.
<u>Explanation:</u>
We are given:
Mass of BSA to be formed = 
(Conversion factor: 
Volume of stock solution = 
(Conversion factor: 
It is also given that for the mass of BSA is 0.5 g, the volume used up is 1 mL
In order to have, 0.005 g, the volume of stock solution needed will be = 
Hence, of volume needs to be pipetted out in the test tube.
