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What is the difference between and Alkane and an Alkene

Both are molecules which contain only Carbon and Hydrogen moleculesAlkanes do not contain any carbon - carbon double bonds - all bonds are single - therefore the molecules is known as saturated the empirical...
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Answered by Jess O. • Chemistry tutor
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Describe the different types of variable in a scientific experiment

Independent Variable - this is the variable which is being changed and manipulated by the scientist in order to test its impact on other variablesDependent Variable - this is the variable which is being meas...
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Answered by Jess O. • Biology tutor
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How/what should I revise for the A level History exam ?

Revision is extremely individual, my recommendation is that you figure out how you learn sooner rather than later. Do you learn by making mind maps? Re-writing your notes? Verbal testing? Timelines? These ar...
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Answered by Ivie S. • History tutor
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What is the basic biochemistry of carbohydrates?

Three types of carbohydrates: 1. Monosaccharide. "Mono" means one. Contains one sugar monomer. 2. Disaccharide. "Di" means two. Contains two sugar monomers. 3. Polysaccharide. "Poly&...
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Answered by Beth G. • Biology tutor
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Describe and evaluate research into at least one factor affecting the accuracy of eyewitness testimony.

One piece of research that has explored factors affecting the accuracy of eyewitness testimony, comes from Loftus and Palmer (1974). These researchers investigated the impact of leading questions on the accu...
Answered by • Psychology tutor
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