Final Review - C3,13HW7aST 1 Calculate the following...

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C3,13HW7aST 1. Calculate the following quantity: Molarity of a 963-mL solution containing 689 mmol of glucose, C 6 H 12 O 6 . (Do not enter the units of your answer). Calculate to 2 decimal places and do not include units 2. Calculate the molarity of a hydrochloric acid solution that is 18.25% HCl by mass and has a density of 1.20 g/mL. a. 6.01 b. 21.9 c. 15.2 d. 12.0 e. 4.17 3. Calculate the following quantity: Volume of 2.050 M copper(II) nitrate that must be diluted with water to prepare 750.0 mL of a 0.8553 M solution 4. A vat contains 2.99 M hydrochloric acid solution. How many kg of Ca(OH) 2 will be required to react completely (neutralize) 851 L of the solution? Calculate to 0 decimal places and do not include units. 5. A beaker containing 250 mL of a 0.500 M solution of acetic acid COOH) is added to 125 mL of a 0.850 M solution of sodium carbonate. The reaction that ensues produces carbon dioxide, sodium acetate COONa), and water. How many grams of carbon dioxide are produced? 6. In the reaction: 2A → B, -Δ[A]/Δt = -0.50 M/s. What is the rate of formation of B? 7. At 200°C, in the reaction below, the molar concentration of A was 6.77 M after 2.00 s and 1.23 M after 7.97 s. What is the average rate of reaction in M/s? Calculate to 3 decimal places and do not include units. 2A => Q + Z
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8. The half-life for a first order reaction is known to be 4.5 h. How long will it take for 85% to be decomposed, in h? a. 1.1 b. 9.0 c. 10 d. 12 e. 27 9. The half-life of a reaction depends upon the concentration(s) of a reactant in all but which of the following rate law expressions? 10. Calculate the following quantity: Final volume of a 0.0700 M solution prepared by diluting 18.0 mL of 0.155 M lithium carbonate with water C2,7HW1aST 1. A neutral atom of the element potassium has: 2. How many electrons are in an atom of carbon-13 1. 2 2. 6 3. 7 4. 12 5. 13 3. an iron-56 nucleus contains 1. 56 protons and 26 neutrons
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2. 30 protons and 26 neutrons 3. 26 protons and 26 neutrons 4. 56 protons and 56 neutrons 5. 26 protons and 30 neutron 4. Which of the following is a non-metal 1. S 2. Sr 3. Fe 4. Nb 5. Ga 5. A X-ray photon has a wavelength of 1.41 nm. What is its frequency in Hertz? Enter your answer in the form 1.02E12 for 1.02 x 10 12 with three significant figures. Do not enter units with your answer. 6. What would be the best description of Einstein's explanation of the photoelectric effect? a. Electrons have a definite mass. b. Ejection of electrons occurs when the intensity of light increases beyond a certain minimum. c. Light consists of "particles" with a definite mass. d. Light consists of "particles" with a definite energy. e. Ejection of electrons occurs when the energy of the photon is greater than a certain minimum.
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