CHEM 120 Unit 1 Quiz Week 1.
CHEM 120 Unit 1 Quiz Week 1.(TCO 1) You have been growing the same variety of corn for over 5 years. In the past two years, you have noticed that the yield has decreased by 10% each year. You grow corn on 10 acres of land and your yield should be 1,000 bushels per acre. Growing conditions have been consistent for the past 5 years. You want to identify another variety of corn that will produce 1,000 bushels per acre. You currently grow Variety ZQB. You want to test two new varieties, CAQ and TWX. You hypothesize that CAQ will produce 1,000 bushels per acre. Design an experiment to test this hypothesis. Include your control(s) (2 pts) and your experimental design (4 pts). Describe the experimental results that would support your hypothesis. (2 pts) Be specific.(TCO 1) How many meters are in 9 yards? Show your work(TCO 1) How many mm are in 8.7 inches? Show your work(TCO 1) What is the mass of 50.0 mL of an intravenous glucose solution with a density of 1.15 g/mL? Show your work.(TCO 2) Determine the number of protons, neutrons and electron for the element Sodium. The mass number for the isotope of this element is 25. You must show your work for each determination to receive credit. (2 pts per determination)
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