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I'm not sure about this question. All help is appreciated. Please show working out. How many atoms are there in a pure copper coin weighing 2.56g? Thx :).

Hey :wave: . I'm looking for a personal journey film in relation for my speech. So far, I've completed 2/3 of it with my core text being Othello and other supplementary text being a song. I just need one more supplementary text (a movie) in relation to personal journeys. I thought of 'The...

Which of the two do you perform better in? Assignments or Exams? I prefer assignments because it sets a goal for me to actually complete the task otherwise I get busted by the teachers, while for exams, I don't really revise and study daily, just cram, which I'll have to work upon :o.

1 - 2cos squared theta = 0 The teacher wrote 4 solutions, but I got 3... Edit: Find the angles.

Half yearly exams tomorrow, and I'm cramming as much knowledge as I can :). Help me cram :D. 1. What are the differences between a net leakage and a net injection 2. Define: - A mixed economy A laissez faire economy A command economy A pure capital economy 3. What's the main difference...

Could anyone provide me with a language technique for each of the quotes below? I got half yearlies for English tomorrow :D. 'She'd come again with a greedy ear, devour up my discourse; which I observing' - this quote demonstrates Desdemona as a sexual character upon Othello, appearing...

I need help with the question below. Physics half yearly tomorrow as well... :burn: Explain how you answered them because this is the only question I'm confused with, and it's the 1st question in the sheet... Students sitting on a wharf measure the wavelength of some passing waves at 3.0m...

Would anyone happen to have a simple explanation for the inverse formula of light intensity and distance? (Intensity proportional to 1 / Distance^2). I need practice with this, because I know it'll pop up in the half yearly exam. Thanks.

In detail, what are the exact differences between a biomass pyramid and a energy pyramid? Thanks. :o

Are inorganic compounds known as binary compounds that consists of two elements? (E.g. Ionic, Covalent) excluding Metallic or Metallic is included? What are the different prefixes for covalent elements? Is there a list? e.g. CO is Carbon Monoxide and CO2 is Carbon Dioxide The more...

For the half yearly exams, I'm currently undergoing studying and I need a few tips for answering each dotpoint. When I answer each dotpoint by writing the answers down, I tend to forget. Then I recite my answers and they sometimes go into memory, except for difficult dotpoints. I'm...

What are the differences between the average propensity to consume and save with the marginal propensity to consume and save? And what's the difference between savings and investment? Is savings when you keep the money and set it aside for a good or need and investment is when you put money...

When do your half yearly exams begin? :) And how are you going to plan on study? My exams are in week 10 and 11 and I've just begun revising my notes :rolleyes:

Would anyone happen to have any notes and past papers for the following preliminary economics topics?: Introduction to Economics Consumers and BusinessesI looked through the resources section, but I couldn't find notes which would follow the syllabus dotpoints in chronological order, like the...

Quickly correct my adaptations? :). There are 3 types of adaptations, behavioural, physiological and structural. But I got behavioural for all of them. Anything wrong? Anything I should add? Thanks guys. Two Plants: Trees – The trees are suited to the hot climate which produces...

1. Hold a tuning fork in front of the microphone. Draw the trace on the CRO. Would anyone happen to know how the trace would look like? I tried searching for it but couldn't find anything. An attachment diagram is greatly appreciated. Thank you. 2. See attachment. I need help with the...

You'd be wondering why I posted that quote from Andy Warhol. I decided to select this quote for English for a task, and our AOS is personal journeys. 'When I got my first television set, I stopped caring about having close relationships' - Andy Warhol Do you agree or disagree? Explain in as...

You'd be wondering why I posted that quote from Andy Warhol. I decided to select this quote for English for a task, and our AOS is personal journeys. 'When I got my first television set, I stopped caring about having close relationships' - Andy Warhol Do you agree or disagree? Explain...

You Pumped? :D

Hey all. I need help with answering a few chemistry formulae questions and other questions. Here they are below, your help is greatly appreciated! Formulae - H2SO4 (aq) + 2NaO (aq) ---> Na2SO4 (aq) + 2H2O. The names of ea. element? 2Al2O3 (I) ---> 4Al (I) + 3O2 (g). The names of ea...