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GCSE

Why do melting points decrease down group I?

As we go down group I, the ions have larger shells and the distance between the bonding electrons and positive nucleus decreases. This decreases the overall attraction forces between the two in metal latt...

CW
Answered by Chloe W. Chemistry tutor
3847 Views

When to use passé composé or imparfait?

The imparfait is used to describe the background or ongoing events/habits. Example: If faisait beau.
The passé composé is used to describe what is taking place in that very moment or a specific event...

CW
Answered by Chloe W. French tutor
1964 Views

Sarah plans to paint a rectangular wall of dimensions 8.7m x 2.3m. A tin of paint costs £16.10 and covers 6 metres squared. Sarah has a budget of £56, can she afford to paint the wall? Explain your reasoning.

(This question would appear on the calculator paper of GCSE Maths) The first step is to calculate the total area of the rectangular wall by multiplying the width and height of the wall: Area (recta...

RS
Answered by Rob S. Maths tutor
5043 Views

What are the three time expressions that are used in Spanish (in the present)?

Hace + time + que + verb in present tenseExample: hace ocho años que estudio español Verb in the present + desde <...

DR
Answered by Dapika R. Spanish tutor
1892 Views

A straight line runs through these two coordinates (1,5) and (4,7), find the equation of the line.

Given that the equation is a straight line we know that it will take the form of y = mx + c with m as the gradient and c as the y-intercept. We can find the slope by doing (y1- y2)/(...

DR
Answered by Daniel R. Maths tutor
3099 Views

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