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Describe how a buffer solution based on hydrochloric acid can act as a buffer. (5)

HCl ⇌ H++ Cl- (1)Added alkali: H+ reacts with added alkali/OH- (1) Equilibrium shifts right forming Cl- or H+ (1) Added acid: Cl<...

DR
Answered by Daisy R. Chemistry tutor
1603 Views

Personal Statement Flowchart

What does the activity include?enlisting all academic and non academic activities that the student done collecting all readings that can somehow be linked to his or her academic interestcreating a flowcha...

LL
1734 Views

If 3y-1=2y+4 then what does y=?

3y-1=2y+4To find out what "y=" we need to get all the y values on one side of the equation, and the other numbers on the other side of the equation. We can do this by simply adding or subtractin...

HH
Answered by Hugo H. Maths tutor
3092 Views

prove that any odd number squared is one more than a multiple of four.

any odd number can be written as (2n+1), where n is any integer (whole number). Squaring any odd number is therefore= (2n+1)2 . expanding the brackets gives =4n2+2n+2n+12 ...

HJ
Answered by Harry J. Maths tutor
2637 Views

Outline the concept of eustatic and isostatic sea level change

Eustatic change refers to a global change in sea level due to an actual rise or fall in sea level. As global temperatures rise due to global warming more precipitation falls as rain and more ice melts fro...

Answered by Geography tutor
5215 Views

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