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Consider the equilibrium 4NH3(g) + 5O2(g) 4NO(g) + 6H2O(g) What happens to the partial pressure of O2 when the partial pressure of NH3 is decrea
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How many formula units make up 11.8 g of magnesium chloride (\rm MgCl_2)?
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how many oxygen atoms are in 3.00 g of sodium dichromate, Na2Cr2O7? Molar mass of sodium dichromate is 261.9679 g/mol
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If a bottle of nail polish remover contains 176 of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 .
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i need the lab report for (determination of acetic acid in vienger using a PH electode)
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A sample of arabinose, C5H10O5, contains 0.6000 moles of the substance. How many carbon atoms are in the sample?
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2) Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
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many gases are shipped in high-pressure containers. consider a steel tank whose volume is 42.0L and which containes O2 gas at a pressure of 16500 kpa at 23C. what mass of O2 does the tank containe?
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how many atoms are there in 0.000200 mole of SO2 molecules?
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How many moles of ions are in 1.88 mol of K2SO4?
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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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