Answer:
A. The number of moles of HNO2 will remain the same. True
B. The number of moles of NO2- will remain the same. False
C. The equilibrium concentration of H3O will remain the same. False
D. The pH will decrease. False
E. The ratio of [HNO2] / [NO2-] will remain the same. True
Explanation:
The mixture of nitrous acid and potassium nitrite is a buffer solution. Hence the properties outlined above. Buffer solutions are designed to militate against changes in acidity or alkalinity. This explains why the above statements were categorized as true or false accordingly.
Answer:
The quantities of electrical charge that are they can produce are the same
Explanation:
The quantity of electrical charge produced by an electrochemical cell is given by
Number of moles of electrons × Faraday's constant.
since the number of moles of electrons involved in the two electrochemical reactions are the same (2 moles of electrons each) then the charge that they can produce will also be the same.
Hence the answer.
Answer: The only possibly answer that makes the most logical sense is a
Explanation: B. wouldn't make it any better only worse making the population die out it would help more in a cold C. doesn't make sense either their ground squirrels but they can still climb and finally D. there in Africa everything is basically beige and they would stick out more making them easy prey.
A makes it easier to blend in with their surroundings and giving them a higher survival chance
Set a piece of pH paper in front of each solution before testing to keep organized.
Use a transfer pipet to remove a few drops from the solution to drop onto the paper.
Wait a minute or so before reading color.
Is the correct answer...
