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Identify and explain the trend in atomic radius across a period

The atomic radius across a period in the periodic table tends to decrease from left to right. As you move across a period the number of electrons from one element to the next increases by one. The electro...

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Answered by Olavo M. Chemistry tutor
19775 Views

Differentiate x^3 + y^4 = 34 using implicit differentiation

An implicity function is one that is not expressed in the form y = f(x) such as the equation in the question. Instead of rearranging the equation to make y the subject, the equation can be differentiated ...

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Answered by Olavo M. Maths tutor
2213 Views

Describe the key difference between a scalar and a vector quantity

A scalar quantity is one that only has magnitude while a vector has magnitude and an associated direction. For example, temperature is a scalar quantity because temperature only has magnitude/ size, there...

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Answered by Olavo M. Physics tutor
9985 Views

When writing "je jouerai", do I have to put an "s" or no "s"?

The words "jouerai" and "jouerais" can easily be mixed up, as their endings are very similar. However being aware of the context will always help you find the right answer. An "s&...

LT
Answered by Leopold T. French tutor
2353 Views

What does the rate of chemical reactions depend on?

The rate of chemical reactions depends on the temperature, concentration of the reactants, size of the particles reacting and whether there are any catalysts present.

When the temperature is increa...

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Answered by Emma F. Chemistry tutor
28252 Views

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