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Presence of:H₂: Squeaky Pop Test: use a lit split to light a small sample of gas in a test tube. If Hydrogen, then a Squeaky pop will occur. O₂: Glowing Splint Test: Add a still glow...

Although it would be quite helpful if these courses that are taken together are related to each other, whether or not two or three courses are related, an effective personal statement must give balance to...

This question is asking about forces acting around a pivot point, so we can use the formula for the moment M = F*D about the pivot point. The clockwise and anticlockwise moments around the pivot must be e...

Unstructured interviews are an interpretivist method that takes the form of an informal conversation and supplies qualitative data. It’s a micro approach which means that it looks at small-scale interacti...

First we need to find the cost of one arc from the information we already have about the arc (20 straight lines cost £12). To do this divide the £12 total cost by the number of lines 20.12 ÷ 20 = £0.60 ea...