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The pH of pure water can vary depending on the temperature it is held at. Does that mean pure water can be acidic or alkaline?

Interestingly, pure water will always be neutral, regardless of pH. To understand why, we have to properly look at what pH means. pH is a measure of the number of free H+ ions in a solution or liquid. The...

SN
14278 Views

What is Phagocytosis

its a process that a phagocyte completes in order to remove any unwanted pathogens and organism. I will show pictures and diagrams explaining the process to the student. once the phagocyte has ingested th...

MA
Answered by Musa A. Biology tutor
2861 Views

Derive an expression to show that for satellites in a circular orbit T^2 ∝ r^3 where T is the period of orbit and r is the radius of the orbit.

This question is concerned with balancing forces. First, we must consider what forces are acting on the satellites. What is stopping the satellite from shooting off into space and what is preventing it fr...

CM
Answered by Charlie M. Physics tutor
9954 Views

Why is the derivative of the exponential function itself?

The exponential function is defined as a power series, which we may (for reasons that are beyond the scope of A-level) differentiate term by term to get another power series. The general term of the serie...

GB
Answered by George B. Maths tutor
4517 Views

What are the functions of pressure groups.

Educative ; pressure groups have a educative function in that they can provide information and education about their specific cause and spread awareness on the issue .E.g. the He...

TA
28349 Views

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