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Health Careers Practice Entrance Test: Chemistry
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Health Careers Practice Entrance Test: Chemistry
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25 Questions

1. What will happen if a semipermeable membrane is placed between two different concentrations of a NaCl solution?
2. Which of the following is the formula for the compound cobalt (II) nitride?
3. Which of the following has the largest radius?
4. How many moles are contained in a 54.0 g sample of Al?
5. A compound that is acidic by the Lewis definition only is
6. Which of the following is the most likely charge on an ion of Sr? (Sr is a group IIA molecule.)
7. Butane, C4H10, combusts to form CO2 and H2O. Which of the following is the balanced chemical equation that describes this reaction?
8. Which of the following is an alkaline earth metal?
9. Which of the following is the oxidation number of sulfur in the compound sodium thiosulfate, Na2S2O3?
10. In which of the following solutions is Ag2CO3 most soluble?
11. Which of the following is the probable charge for an ion formed from Ca?
12. Which of the following is most likely to bond with the ferrous (Fe2+) ion in blood?
13. Which of the following is NOT a function of epinephrine?
14. When amino acids polymerize to make a protein, which of the following is produced as a byproduct?
15. Which of the following is the hybridization of the carbon atom in methane, CH4?
16. What does the number 36 represent on the periodic table entry for krypton?
17. How many oxygen atoms are contained in a one-formula unit of tin (IV) oxide?
18. The composition of dry air consists of approximately 78% nitrogen, N2, and 21% oxygen, O2. If the air pressure of a 5-liter sample of dry air is 800 torr, what is the approximate partial pressure of oxygen?
19. What are the most likely products of a reaction between CH3CH2NH2 and H2O?
20. Which of the following has the largest first ionization energy?
21. Which of the following equations describes the reaction between Al(s) and H2SO4?
22. What is the electron configuration of a Cl- ion?
23. Which of the following forms of radiation contains the least energy?
24. Which of the following pairs are allotropes?
25. Which of the following describes the primary structure of proteins?