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You have 100.0 mL of a solution of hydrochloric acid that has a pH of 3.00. You add 100.0 mL of water to this solution. What is the resulting pH of the solution? A) The pH = 5.00 (the average of 3.00 and 7.00). B) The pH = 10.00 (3.00 + 7.00 = 10.00). C) The pH = 3.00 (water is neutral and...
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a 36.4 L volume of methane gas is heated from 25 degrees celsiues to 88 degres celsiues at constant pressure. what is the final volume of the gas
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The value of Kp for the reaction 2 NO2 (g) N2O4 (g) is 1.52 at 319 K. What is the value of Kp at this temperature for the reaction 1/2 N2O4 (g) NO2 (g)?
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What is the molarity of a solution that contains 43.0 of vitamin B1 hydrochloride (molar mass = 337 ) in 130 of solution?
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If 15 mg of sodium hydroxide (NaOH) is added to water and the mass of the resulting solution is 1500 g, what is the concentration of the solution in ppm? Question 5 answers
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What volume does 22.4 moles of hydrogen gas occupy at 0 C and 1.00 atm? A) 0.0821 L B) 1.00 L C) 22.4 L D) 184 L E) 502 L
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The initial volume was 3.00 \rm L and the initial pressure of chlorine was 1.60 atm. The piston was pushed down to change the volume to 1.00 \rm L
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If a car produces 88.0g of CO2, how many grams of O2 are used up in the reaction?
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Rank F, C, O, B from largest to smallest radius
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10 mL of 80oC water is mixed with 10 mL of 0oC water in a perfect calorimeter. What is the final temperature?
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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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