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The reaction in a young star is essentially: 4 11H --> 42He + 2 0+
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How much energy (kJ/mol)would be produced per mole of He in this process?
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To what volume should 32.00 mL of a 11.40 M HCl solution be diluted to prepare a 0.500 M HCl solution?
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Assuming that di-lithium is very stable and the product of the fusion of two 6Li nuclei, the energy released per kilogram of di-lithium formed in the fusion process is closest to
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What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
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the vapor pressure of Chlorine dioxide ClO2 is 155 torr at -22.75 degrees C and 458 torr at 0 degrees C. what is the normal boiling point of chlorine dioxide? use R=8.312 J/ K mol, answer in units of degrees Celsius.
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Which material would have a larger mass 1.0Liter of ethanol or 1.0Liter of water?
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The mean stoichiometric composition of fossil fuel burned is CH1.6 (1 part carbon for 1.6 parts hydrogen). We view fossil fuel combustion as a stoichiometric reaction where CH1.6 is oxidized by O2 to yield CO2 and H2O. Show that 1.4 moles of O2 are consumed per mole of CO2 emitted by fossil...
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Why is it important to analyze dissolved oxygen in water?
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6.44l in to ml
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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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