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You may use any resource available to you, EXCEPT A CONSULTANT. A deduction of 3/4 of a point will be deducted for significant digits and unit errors. Numeric, multiple choice and true/false answers must be on the line provided, or they will be marked wrong! Written answers should he short; the answer must fit inside the box provided. Answers that do not fit in the box will be penalized 1/4 of the points for the question. You may attach extra pages to show your work. There are 250 points on the exam, it will be graded out of 225 points Cp of corbamite is 0.463 J/g degree C, 135 g of corbamite was healed to 92.3 degree C. The hot corbamite was added to 70.2 g of 15.3 degree C water. What is the final temperature of the system? A natural product with a molecular mass of 617, was analyzed and found to be 48, 47%C. 7.13% H, 28.25% N. What is the empirical [16] and molecular [5] formulae of the natural product? Write a net ionic equation for the following reactions. If there is do net ionic equation write NO REACTION. YOU MUST INCLUDE THE STATES (solid, gas etc). Zn(CIO_4)_4 + 2 (NH_4)_2S rightarrow ZnS_2 + 4 NH_4CIO_4 Ba(NO_3)_2 + RbOH rightarrow Ba(OH)_2 + RbNO_3 3 H_2CrO_4 + 2 AI(OH)_3 Al(OH)_3 rightarrow Al_2 (CrO_4)_3 + 3 H_2O Using a perfect calorimeter, glucose (C_6H_12O_6) 15.6 g was dissolved in 20.00 g of water initially at 29.35 degree C. The final temperature was 26.93 degree C. What is the molar enthalpy of dissolution of glucose? Assume c_p of the solution is the same as water. How much WCI_6 can be made from 125 g of RuO_3 and 825 mL of 4.10 M HCI? RuO_3 + 6 HCI rightarrow RuCI_6 + H_2O
You may use any resource available to you, EXCEPT A CONSULTANT. A deduction of 3/4 of a point will be deducted for significant digits and unit errors. Numeric, multiple choice and true/false answers must be on the line provided, or they will be marked wrong! Written answers should he short; the answer must fit inside the box provided. Answers that do not fit in the box will be penalized 1/4 of the points for the question. You may attach extra pages to show your work. There are 250 points on the exam, it will be graded out of 225 points Cp of corbamite is 0.463 J/g degree C, 135 g of corbamite was healed to 92.3 degree C. The hot corbamite was added to 70.2 g of 15.3 degree C water. What is the final temperature of the system? A natural product with a molecular mass of 617, was analyzed and found to be 48, 47%C. 7.13% H, 28.25% N. What is the empirical [16] and molecular [5] formulae of the natural product? Write a net ionic equation for the following reactions. If there is do net ionic equation write NO REACTION. YOU MUST INCLUDE THE STATES (solid, gas etc). Zn(CIO_4)_4 + 2 (NH_4)_2S rightarrow ZnS_2 + 4 NH_4CIO_4 Ba(NO_3)_2 + RbOH rightarrow Ba(OH)_2 + RbNO_3 3 H_2CrO_4 + 2 AI(OH)_3 Al(OH)_3 rightarrow Al_2 (CrO_4)_3 + 3 H_2O Using a perfect calorimeter, glucose (C_6H_12O_6) 15.6 g was dissolved in 20.00 g of water initially at 29.35 degree C. The final temperature was 26.93 degree C. What is the molar enthalpy of dissolution of glucose? Assume c_p of the solution is the same as water. How much WCI_6 can be made from 125 g of RuO_3 and 825 mL of 4.10 M HCI? RuO_3 + 6 HCI rightarrow RuCI_6 + H_2O
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Collen VonLv2
2 Oct 2019
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