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How do you form the imperfect tense?

To form the imperfect tense for regular verbs in French, all you have to do is take the "nous" form of the verb, take off the -ons ending and add the following endings according to the person: -ais...
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Answered by Daina A. • French tutor
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Find the equation of the straight line which passes through the point (0, 3) and is perpendicular to the straight line with equation y = 2x.

We know that a straight line has a general formula: y = mx+c, where m is the gradient of the line and c is the y-intercept; so, we are looking to find m and c. The line passes through the point (0,3) so x=0 ...
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Answered by Flavian M. • Maths tutor
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What factors affect the equilibrium position and in what way?

The easiest way to think about this is as the 'law of opposites' Temperature Exothermim reactions: If temp is increased then the reaction moves in the direction to reduce this rise of temp by shifting equili...
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Answered by Nathan L. • Chemistry tutor
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Describe the trend in the reactivity of group 2 elements with chlorine as you descend down the group.

As you progress down the group:- Atomic radius increases, therefore there is more electron shielding.- There is an increase in the nuclear charge, however it is outweighed by the increase in shielding.- It i...
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Answered by Nathan L. • Chemistry tutor
15295 Views

A single wind turbine has a maximum power output of 2 000 000 W. The wind turbine operated continuously at maximum power for 6 hours. Calculate the energy output in kilowatt-hours of the wind turbine.

Equation: P = Wt (Power = Work[Energy] x time)1) Convert Watts to Kilowatts (W -> kW)2,000,000W -> 2,000kW [divide by 1000]2) Multiply work by time (remembering the question asks for kWh)2,000kW x 6h =...
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Answered by Nathan L. • Physics tutor
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