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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. How many moles are contained in a 54.0 g sample of Al?
2. Which of the following is the correct, balanced equation for the combustion of propane?
3. Which best describes the following redox reaction: Br-(aq) + MnO4-(aq)
4. Which of the following is classified as an aldehyde?
5. Which of the following is the empirical formula for ethylene glycol, C2H6O2?
6. How many oxygen atoms are contained in a one-formula unit of tin (IV) oxide?
7. If a 2.0 M solution is diluted to 0.5 M, and the final volume is 100 ml, what was the original volume?
8. Which of the following is the correct name for Li2SO3?
9. What is the oxidation number of sodium in the following reaction? Pb(NO3)2(aq)+2NaI(aq)
10. Which of the following molecules could be considered a polymer?
11. Two liters of air at a pressure of two atm are condensed to 0.5 liters. If the temperature is constant, what is the new pressure?
12. 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?
13. The normal boiling point of water is 100
14. One liter of solution is made by dissolving 29.2 g of NaCl in water. What is the molarity of the solution?
15. What will happen if a semipermeable membrane is placed between two different concentrations of a NaCl solution?
16. In which of the following solutions is Ag2CO3 most soluble?
17. What are the products of the reaction between sodium metal and water?
18. Butane, C4H10, combusts to form CO2 and H2O. Which of the following is the balanced chemical equation that describes this reaction?
19. Which of the following equations correctly describes the reaction between SO3(g) and KOH(aq)?
20. Which of the following pairs are allotropes?
21. Primary intermolecular interactions between a K cation and H2O molecules are
22. Which of the following has the highest electronegativity?
23. Which of the following are the general products of a combustion reaction?
24. Which of the following groups is common to the majority of amino acids?
25. Which of the following is the name of the oxyacid HClO4?

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