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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 th...

FM
Answered by Flavian M. Maths tutor
20889 Views

What factors affect the equilibrium position and in what way?

The easiest way to think about this is as the 'law of opposites' TemperatureExothermim reactions: If temp is increased then the reaction moves in the direction to reduce this rise of temp by shifti...

NL
Answered by Nathan L. Chemistry tutor
6266 Views

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.- I...

NL
Answered by Nathan L. Chemistry tutor
14333 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)2,000...

NL
Answered by Nathan L. Physics tutor
16381 Views

Name a test for a C=C double bond

Bromine water:- Turns colourless when mixed with a double bond (unsaturated)- Remains Orange-Brown when mixed with a C-C single bond (saturated)

NL
Answered by Nathan L. Chemistry tutor
7321 Views

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