Questions by Brian Ellis

Questions by Brian Ellis

a bag contains six red balls, six greens balls, five yellow balls and three black balls. A ball is picked at random from the bag. Find the following probabilities.

asked Dec 15, 2020

1 answer

2 votes

227k views

(b) Use the first law of thermodynamic to calculate AU for the following situations: (i) A coiled spring unwinds producing 153 J of work and losing 37 J as heat to friction (1 mark) (ii) An insulated bucket

asked Nov 5, 2020

1 answer

2 votes

96.0k views

Alkyl halides undergo ____________ reactions with nucleophiles. Strong nucleophiles favor the ____________ mechanism over the ____________ mechanism. An SN1 mechanism forms a ____________ as a reactive

asked Jun 3, 2020

1 answer

5 votes

89.7k views

What is an occupation or profession that requires special training or education

asked Mar 14, 2020

2 answers

5 votes

189k views

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