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- 10.A teaspoon of dry coffee crystals dissolves when mixed in a coup of hot water. This process produces a coffee solution. The original crystals are classified as a. Reactant b. Products c. Solvent d. SoluteThe chemical behavior of deuterium (Dor H) is essentiallyidentical to that of protium (hydrogen, Hor H). Therefore, D20 behaves the same as H20, and LIAID: behaves the same as LIAH4. With this in mind, drag the appropriate reagents for steps 1 and 2 to the appropriate places for each of the folloving reactions. Part 1 See Pericdic Table O See Hint There are three parts to this question. Remember to do all three before submitting your arswer. A LIAIH. e) LIAID.1. Write balanced net ionic equations to explain the observations in the options assigned by your instructor. (All reactions are oxidation-reduction.) See the protocol on page 192. a) Option E Cues b) Option F
- O d. 83.0 mL e. 139 mL Diluting 1.0 mL of a 1.0 M solution to 1,000 mL results in a solution that is 0.001 M. Repeating this 1,000-fold dilution process five more times results in a concentration of Select one: O a. 1.0 x 108 M. O b. 1.0 x 10-9 M. O c. 1.0 x 10-18 M. Od. 2.0 x 10-4 M. O e. 5.0 x 103 M. Clear my choice In a demonstration of strong electrolytes, weak electrolytes, and nonelectrolytes, Professor Popsnorkle used a lightbulb apparatus that showed how much a solution conducted electricity by the brightness of the lightbulb. When pure water was tested, the bulb did not light. Then Professor Popsnorkle tested Type here to search5. Two processes carried out at an oil refinery are shown in Fig. 5.1 and Fig. 5.2. refinery gas a. b. saturated hydrocarbons i. Name the process in Fig. 5.1. ii. petroleum 1. 2. Fig. 5.1 heat and catalyst i. Name the process in Fig. 5.2. Fig. 5.2 gasoline naphtha diesel oil fuel oil State two ways in which the properties of gasoline are different from those of fuel oil. bitumen unsaturated hydrocarbons iii. Petroleum (crude oil) is a fossil fuel. Suggest why petroleum contains a very large amount of the element carbon.4. Why is it necessary to standardize a sodium hydroxide solution? a. Sodium hydroxide is basic b. Need to standardize before you can use an acid-base indicator c. Sodium hydroxide absorbs carbon dioxide and water d. Because K.H.P. is a primary standard
- need answer in step by step104. Highly resistant borosilicate is what type of pharmaceutical glass for containers? a. I B. IV C. III D. II 105. If a certain hydrogen peroxide solution is 20-volume hydrogen peroxide, it contains: I. 3% Hydrogen Peroxide II. 6% Hydrogen Peroxide III. 10 mL Oxygen IV. 20 mL Oxygen A. I, IV B. II, IV C.I, III D. IV E. II, IIIH perasit 1. EtMgBr A + En ? 2. H₂O 1. H* 2. EtSH ?