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CHEMISTRY 103 EXAM 5 (ACTUAL EXAM) LATEST 2024 QUESTIONS AND ANSWERS GOOD SCORE A+
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CHEMISTRY 103 EXAM 5 (ACTUAL EXAM) LATEST 2024 QUESTIONS AND ANSWERS GOOD SCORE A+
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CHEMISTRY 103 EXAM 5 ( ACTUAL EXAM ) LATEST 2024 QUESTIONS AND AN SWERS GOOD SCORE A+ Which of the following is correctly identified? - ANSWERS -NaOH, strong base The nuclear reaction shown below is an example of what type of process? 224/90 Th → 220/88 Rn + 4/2 He - ANSWERS -alpha decay When a reaction is at equilibrium, ________. - ANSWERS -the products and reactants have the same ener gy content Which is not a way to minimize your exposure to radiation? - ANSWERS -staying a longer time Which of the following could be a buffer? - ANSWERS -HF(aq) + NaF(aq) A sample of cerium -141 for a diagnostic test was dissolved in saline solution to a n activity of 4.5 millicuries/mL. If the patient undergoing the test needs a dose of 10 millicuries, how much of the solution should be injected into the patient? - ANSWERS -2.2 mL In a buffer system of HF and its salt, NaF, ________. - ANSWERS -the HF neut ralizes added base The neutralization reaction between Al(OH)3 and HNO3 produces the salt with the formula ________. - ANSWERS -Al(NO3)3 Which of the following is a buffer system? - ANSWERS -H2CO3(aq)and KHCO3(aq) When hyperventilation (rapid breathing) causes a patient to exhale large amounts of CO2, the blood pH rises in a condition called ________. - ANSWERS -respiratory alkalosis A patient receives 10 mrads of gamma radiation. If the factor that adjusts for biological damage for for gamma radiation is 1, how many mrems did the patient receive? - ANSWERS -10 mrem The name of Al(OH)3 is ________. - ANSWERS -aluminum hydroxide When an acid reacts with a metal like Al, the products are ________. - ANSWERS -a salt and hydrogen Which of the following is the correctly balanced equation for the complete neutralization of H3PO4 by - ANSWERS -2H3PO4(aq ) + 3Ca(OH)2(s) Ca3(PO4)2(aq) + 6H2O(l) the product from the alpha decay of 23592u is - ANSWERS -231/90Th
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