Top answers

How do you calculate the units for Kc?

The units for Kc changes depending on the concentrations of each reactant and product in the equation. It can also be possible that there are no units for Kc because the concentrations at the top and the bot...
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Answered by Huma M. • Chemistry tutor
62283 Views

How can I 'upgrade' my level of French ?

A good way to upgrade your level of French and avoid using « être » and « avoir » every sentence would be to make consistent vocabulary lists every week. You could use a notebook and write down every new wor...
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Answered by Juliette D. • French tutor
2556 Views

What is the Subjunctive?

The subjunctive, despite sometimes being referred to as a tense, is in fact a mood. The reason for this is because it's used by speakers to express actions depending on certain factors. These factors can inc...
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Answered by Ned H. • Spanish tutor
2671 Views

How would you differentiate the term 3x^3-2x^2+x-10

With differentiation we should always begin with the "times by the power and take one from the power" rule. For example, to differentiate ax b --> (a x b)x (b-1) So, to differentiate this expres...
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Answered by Cathy E. • Maths tutor
4317 Views

Solve the simultaneous equation y+4x+1=0 and y^2+5x^2+2x+0.

x=-1/7 or -1/3 y=-3/7 or 1/3
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Answered by Sunkyu H. • Maths tutor
4089 Views