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Define the term 'Bronsted-Lowry acid'

A proton ( H+ ion) donor

Answered by Chemistry tutor
2098 Views

Prove that 0.5757... (recurring) = 19/33. Hence, write 0.3575757... (recurring) as a fraction in its lowest terms.

Two parts to the question. Let's focus on part one:Let x = 0.575757... (1)This means that 100x = 57.575757... (2)If you subtract (1) from (2), we get: 99x = 57Divide both sides by 99: x = 57/99Simplify: x...

OV
Answered by Oliver V. Maths tutor
6995 Views

Find the positive solution to b^2 +5b – 6 =o


(b-1)(b+6)=0b= 1 and -6Positive Solution = 1

Answered by Maths tutor
2931 Views

What is Darwin’s theory of Evolution by Natural Selection? What is the evidence?

It describes the differential survival and reproduction of different organisms with varying phenotypes. These differences are at least partially heritable, thus over time, gradual changes accumulate in a ...

NS
Answered by Nicole S. Biology tutor
2833 Views

Define the moment of a couple

The moment of a couple is the force times the perpendicular distance between the lines of action of the force.

HW
Answered by Heather W. Physics tutor
4455 Views

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