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Suppose you had 1.00 mole of pennies (each penny has a thickness of 0.059 inches) and you stacked them one of top of each other to make a very tall pile. You set off from the bottom of the pile in a space craft that can travel at the speed of light (3.00 x 108 m/s). How long, in years, will it...
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2 mol SO2 was initially present in a flask. How many moles of SO3 must be formed in order to have an 89% yield?
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is melts at 1410 celsius a physical or chemical property?
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How Many mililiters of .218M HCl are needed to react with 21.2g of CaCO3
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MgNH4PO4 6H2O loses H2O stepwise as it is heated. Between 40 C and 60 C the monohydrate is formed and above 100C the anhydrous material is formed. what are the phosphorus percentages of the monohydrate and anhydrous material?
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how to convert 64.7 degree celsius to cm3?
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How many moles of NH4Cl in 25.5 gr
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Lysine, an essential amino acid in the human body, contains C, H, O, and N. In one experiment, the complete combustion of 2.175 g of lysine gave 3.94 g CO2 and 1.89 g H2O. In a separate experiment, 1.873 g of lysine gave 0.436 g NH3. (a) Calculate the empirical formula of lysine. (b) The...
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What mass in kg of NH3 must be used to produce 3.9 106 kg HNO3 by the Ostwald process, assuming 100% yield in each reaction?
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A reaction occurs between 7.5g of Al metal, 24.8g of Cl2 to form AlCl3. compute the theoritical yeild of the product in grams
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Sample Questions
- 1. For organic chemistry, what is a concerted shift? How do things like acids or heat affect them? What other factors affect them?
- 2. Which of the following reactions is an acid-base neutralization reaction? Why are the rest of the answers incorrect?
- A. AgNo3 (aq) + NaI (aq) --> AgI (s) + NaNO3 (aq)
- B. S8(s) + 8O2 (g) --> 8SO2(g)
- C. Na3PO4 (s) + 2H2O (l) --> H2 (g) + 2NaOH (aq)
- D. Ca (OH)2 (aq) + 2HI (aq) --> CaI2(aq) + 2H2O (l)
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