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The forward reaction, N2 (g)+ 3H2(g) ---> 2NH3(g) is an exothermic reaction. This means that energy is released to the surroundings during the reaction and ...
Following the laws of BIDMAS, the bracket needs to be multiplied first (instead of adding 2y and 3y first):
2y + 15y2 + 9y
Simplify by addition of the y's...
The acceleration, in ms-2, is defined as the rate of change of velocity, per unit of time. To calculate the trains acceleration, we use the equation Acceleration= Change in velocity/...
an ablative asolute is a neat little participle, which can be used to describe something which has happened in the past but is connected to what is happening in the main clause of the sentence, for exampl...
This is a simple GCSE inequality question. The aim is to solve the equation for x - get x on its own on the left side of the equation.
Step 1. We think of equations as balanced weighing scales, so...
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