Basic Chemistry
6th Edition
ISBN: 9780134878119
Author: Timberlake, Karen C. , William
Publisher: Pearson,
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Chapter 3.1, Problem 4PP
Classify each of the following as a pure substance or a mixture:
a. a soft drink
b. propane
c. a cheese sandwich
d. an iron (Fe) nail
e. salt substitute (KCl)
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Classify each of the following as a pure substance or a mixture:a. a soft drink b. propane (C3H8)c. a cheese sandwich d. an iron (Fe) naile. salt substitute (KCl)
Chapter 3 Solutions
Basic Chemistry
Ch. 3.1 - Classify each of the following pure substances as...Ch. 3.1 - Classify each of the following pure substances as...Ch. 3.1 - Classify each of the following as a pure substance...Ch. 3.1 - Classify each of the following as a pure substance...Ch. 3.1 - A dietitian includes one of the following mixtures...Ch. 3.1 - A dietitian includes one of the following mixtures...Ch. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Indicate whether each of the following describes a...Ch. 3.2 - Describe each of the following as a physical or...Ch. 3.2 - Describe each of the following as a physical or...
Ch. 3.2 - Prob. 11PPCh. 3.2 - Prob. 12PPCh. 3.2 - Prob. 13PPCh. 3.2 - Describe each of the following properties for the...Ch. 3.3 - Prob. 15PPCh. 3.3 - Prob. 16PPCh. 3.3 - Prob. 17PPCh. 3.3 - Calculate the unknown temperature in each of the...Ch. 3.3 - Prob. 19PPCh. 3.3 - Prob. 20PPCh. 3.4 - Prob. 21PPCh. 3.4 - Prob. 22PPCh. 3.4 - Prob. 23PPCh. 3.4 - Prob. 24PPCh. 3.4 - Prob. 25PPCh. 3.4 - Prob. 26PPCh. 3.4 - Prob. 27PPCh. 3.4 - Prob. 28PPCh. 3.5 - If the same amount of heat is supplied to samples...Ch. 3.5 - Substances A and B are the same mass and at the...Ch. 3.5 - Calculate the specific heat (J/g °C) for each of...Ch. 3.5 - Calculate the specific heat (J/g °C) for each of...Ch. 3.5 - Use the heat equation to calculate the energy, in...Ch. 3.5 - Use the heat equation to calculate the energy, in...Ch. 3.5 - Calculate the mass, in grams, for each of the...Ch. 3.5 - Prob. 36PPCh. 3.5 - Prob. 37PPCh. 3.5 - Prob. 38PPCh. 3.5 - Prob. 39PPCh. 3.5 - a. A 22.8-g piece of metal at 92.6 °C is dropped...Ch. 3.6 - Prob. 41PPCh. 3.6 - Prob. 42PPCh. 3.6 - Prob. 43PPCh. 3.6 - Prob. 44PPCh. 3.6 - Prob. 45PPCh. 3.6 - Prob. 46PPCh. 3.6 - Prob. 47PPCh. 3.6 - Prob. 48PPCh. 3.6 - When a 1.50-g sample of walnuts is burned in a...Ch. 3.6 - Prob. 50PPCh. 3.6 - Prob. 51PPCh. 3.6 - Prob. 52PPCh. 3 - Prob. 53UTCCh. 3 - Prob. 54UTCCh. 3 - Prob. 55UTCCh. 3 - Classify each of the following as a homogeneous or...Ch. 3 - Prob. 57UTCCh. 3 - Prob. 58UTCCh. 3 - Prob. 59UTCCh. 3 - Prob. 60UTCCh. 3 - Prob. 61UTCCh. 3 - Prob. 62UTCCh. 3 - Prob. 63UTCCh. 3 - Prob. 64UTCCh. 3 - Prob. 65APPCh. 3 - Classify each of the following as an element, a...Ch. 3 - Classify each of the following mixtures as...Ch. 3 - Prob. 68APPCh. 3 - Prob. 69APPCh. 3 - Prob. 70APPCh. 3 - Prob. 71APPCh. 3 - Prob. 72APPCh. 3 - Prob. 73APPCh. 3 - Prob. 74APPCh. 3 - Prob. 75APPCh. 3 - Calculate each of the following temperatures in...Ch. 3 - Prob. 77APPCh. 3 - Prob. 78APPCh. 3 - Prob. 79APPCh. 3 - Prob. 80APPCh. 3 - A 0.50-g sample of vegetable oil is placed in a...Ch. 3 - A 1.3-g sample of rice is placed in a calorimeter....Ch. 3 - A hot-water bottle for a patient contains 725 g of...Ch. 3 - Prob. 84APPCh. 3 - Prob. 85APPCh. 3 - Prob. 86APPCh. 3 - The following problems are related to the topics...Ch. 3 - The following problems are related to the topics...Ch. 3 - The following problems are related to the topics...Ch. 3 - The following problems are related to the topics...Ch. 3 - Prob. 91CPCh. 3 - Prob. 92CPCh. 3 - Gold, one of the most sought-after metals in the...Ch. 3 - Prob. 2CICh. 3 - Prob. 3CICh. 3 - Prob. 4CICh. 3 - In one box of nails weighing 0.250 lb, there are...Ch. 3 - A hot tub is filled with 450 gal of water. (2.5,...
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- Which substance is a liquid mixture? a. lemonade b. brass c. air d. woodarrow_forwardIf the combination of iron filings and sulfur in Question 25 is heated strongly, the iron reacts with the sulfur to form a solid that is no longer attracted by the magnet. Would this still represent a “mixture”? Why or why not?arrow_forward19. Which of the following substances would be classified as a mixture? a. Water b. Table Salt C. Air d. Glassarrow_forward
- 7. A student combines pure NaCl (sodium chloride) with pure DI water. The resulting is an example of: a. homogeneous mixture b. heterogeneous mixture c. pure substance d. suspensionarrow_forward2. Which of the following represent chemical processes? Which represent physical processes? a. Calcium chloride dihydrate (CaCl₂ *2H₂O) slowly heated in a crucible to become calcium chloride (anhydrous). b. A hydrocarbon such as propane (C,H₂) undergoes combustion to power a grill. c. A rock climber's rope becomes frayed and turns the color of the rocks. d. A dog urinates on an air conditioner coil and the coils become corroded.arrow_forwardWhich of the following are the same and which are different?a. a substance and a pure substanceb. a heterogeneous mixture and a solutionc. a substance and a mixtured. a homogeneous mixture and a solutionarrow_forward
- IV. Tell whether if the following is an example of homogeneous mixture or heterogeneous mixture. Write HO or HE. 36. acid rain 41. sea water 37. perfume 38. fruit salad 42. alcohol 43. halu-halo 44. mixed nuts 39. sinigang 40. air 45. vinegar V. Which is a metal element? a. Fluorine c. Sodium 46. b. Astatine d. Boron a. Copper c. Silicon b. Germanium d. Neon 47. Which is a non-metal element? a. Calcium c. Arsenic 48. b. Barium d. Magnesium a. Bromine c. Potassium b. Tungsten d. Barium 49. Which is a metalloid element? 50. a. Lead b. Polonium c. Uranium d. Zincarrow_forwardClassify each of the following as either a heterogeneous or ahomogeneous mixture.a. tap water b. air c. raisin muffinarrow_forward7. Classify each of the following statements as true of false. a. Heterogeneous mixtures must contain three or more substances. b. Compounds cannot have a variable composition. C. Elements are seldom encountered in the "everyday" world. 8. Classify each of these substances as an element, compound, or mixture. a. a sample of "laughing gas" (N₂O) b. the steam coming from a pan of boiling water a bar of deodorant soap C. d. a sample of copper e. f. g. a cup of mayonnaise the helium filling a balloon a. CO h. Co 9. Classify each of the following as a homogeneous mixture or heterogeneous mixture. Black coffee b. A teaspoon of sugar dissolved in a cup of coffee C. Lemonade (with pulp) d. Chocolate chip cookiearrow_forward
- 7. What is a pure substance that is only made of type of atom? A. Element C. Compound D. Elixir B. Suspension What is a molecule that is made of atoms of two or more elements chemically 8. bonded together? A. Heterogeneous B. Heteronuclear C. Homogeneous D. Homonuclear 9. Which best describes heterogeneous mixtures? A. They must always be made of liquid components. No gas or solid components. B. The components must always be mixed or dispersed uniformly within the same physical state. C. The components are always visible and distinguishable from the other components. D. All of the options are correct. 10 Which best describes a homogenous mixture? A. They must always be made of liquid components. No gas or solid components. B. The components must always be mixed or dispersed uniformly within the same physical state. C. The components are always visible and distinguishable from the other components. D. All of the options are correct. 11 Which method would be the most effect to separate…arrow_forwardis when two or more substances are mixed evenly. is a combination of substances that are not bonded togathe is matter that has the same fixed composition and properties mixture is when a substance is not mixed evenly, a 1. Substane 2. Water (H20) is known as a 3. А and can be separated by physical processes. 4. A 5. Another name for a homogenous mixture is a 6. A substance that seems to dissolve or disappear is a substances that dissolves is known as the , while 7. What are the three types of solutions? 1. 2. 3. 8. In a solution, water is the solvent. bonds bonds share electrons, while in 9. where compounds form, electrons are gained or lost. 10. The measurement that describes how much solute dissolves in a given amount of solvent is known as 11. The amount of solute compared to the amount of solvent is known as its is a substance that releases positively charged hydrogen ions. 12. Anarrow_forwardWhich of the following is a heterogenous mixture? A. raisin bran B. milk C. coffee D. air E. sugar waterarrow_forward
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