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How do I balance redox equations in acidic reactions, without trial and error, using half equations?

Here is a summary on the steps to complete these question types. Determin oxidation numbers 2. Figure out what is being oxidised and what is being reduced. 3. Write half equations. 4. Balance the atoms exclu...
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Answered by Imaany K. • Chemistry tutor
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How do I get the higher marks in an A Level history essay?

To get higher marks, you have to make sure that you have three clear factors to answer the question. For example, if the essay was " ‘The political violence of the extreme right caused the biggest threa...
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Answered by Ellen B. • History tutor
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What is the difference between free vibrations and forced vibrations?

Free vibrations involve no transfer of energy between the vibrating object and its surroundings, whereas forced vibrations occur when there's an external driving force and thus transfer of energy between the...
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Answered by Michael S. • Physics tutor
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What is an inertial frame of reference?

It is a frame of reference in which Newton's first law, which states that objects won't change velocity (accelerate) unless an external force acts upon them, is obeyed.
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Answered by Michael S. • Physics tutor
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What is simple harmonic motion?

Simple harmonic motion is an oscillation where both of the following statements are true: -The acceleration of an object is directly proportional to its displacement from an equilibrium position (the midpoin...
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Answered by Michael S. • Physics tutor
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