physicarModulesClassify the following items using the "one best" term to describe the example.ALEKSGradesvinegar Samp; oil( Choose )ZoomTutoringmelting point( Choose )Brainfuse Tutoring[ChoosemeasurementLibrary Servicesdiute salt waterelementphysical propertyI changeClass Climate SurveyEvaluationsubstancepure watercompoundheterogeneous mixturechemical changehomogeneous mixturesodium chloridematterevaporation of gasoline( Choose)rusting of iron[Choose)lodine(Choose(ChooseAddressP Type here to search

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Classify the following items using the "one best" term to describe the example. vinegar Samp; oil ( Choose ) melting point ( Choose) (Choose measurement element dilute salt water physical property physical change substance pure water compound heterogeneous mixture chemical change homogeneous mixture sodium chloride matter evaporation of gasoline | Choose ) rusting of iron [Choose [ Choose (Choose

Classify the following items using the "one best" term to describe the example. vinegar Samp; oil ( Choose ) melting point ( Choose) (Choose measurement element dilute salt water physical property physical change substance pure water compound heterogeneous mixture chemical change homogeneous mixture sodium chloride matter evaporation of gasoline | Choose ) rusting of iron [Choose [ Choose (Choose

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Which of the following processes is a physical change? (a) evaporation of water; (b) combination ofhydrogen and oxygen gas to produce water; (c) dissolution of sugar in water; (d) separation of sodium chloride (table salt) into its constituentelements, sodium and chlorine; (e) combustion of sugar to produce carbon dioxide and water.
Which of the following is NOT a physical change? making a snowman burning sugar bending a steel rod cutting a rope melting gold
5. Identify the following as a physical or chemical change: (a) water boils at 212 °F (b) applying an electric current to water causing the evolution of a gas (c) some metal statues obtain a green color after years of exposure to the atmosphere (d) evaporation of water from a saline solution leaves a solid salt residue
Suppose the densities of two metals are so close together that density is difficult to use to be able to distinguish them within the margin of error (a good example would be zinc and tin). What other physical properties could you use to determine which metal was which? Explain your reasoning thoroughly.
A piece of metal with a mass of 114 g was placed into a graduated cylinder that contained 25.00 mL of water, raising the water level to 42.50 mL. What is the density of the metal? 7.25 g/cm³ 2.68 g/cm³ • 6.51 g/cm³ Which of the following is an example of a heterogeneous mixture? • iron • tin can 0.154 g/cm³ 0.592 g/cm³ brass gravel uranium How many cubic centimeters of ore containing 0.22% by mass gold must be processed to obtain $100 worth of gold? The density of the ore is 8.0 g/cm³ and the price of gold is $418 per troy ounce. (14.6 troy oz = 1.0 ordinary pound, called an avoirdupois pound; 1 lb = 454 g) 9.3 x 10¹ cm3³ • 4.2 x 10² cm³ • 6 200 cm³ 42 cm³ • 2.7 x 104 cm³
Which of the following is an example of a physical property of a substance? The substance reacts violently with water. The substance melts at 73.59 oC. The substance was named after a 3rd century AD African philosopher. The substance is used as a tranquilizer. If a reaction or process is exothermic, Heat or energy is neither going into or out of the reaction or process. Heat or energy is going out of the reaction or process. None of these answers. Heat or energy is going into the reaction or process. Which of the following is a chemical property of a substance? The substance reacts violently with hydrogen, producing a green powder. The substance is a bright orange color. The substance melts at 373.3 degrees Celcius. The density of the substance is 3.375 g/ml. Which of the following is a part of quantum mechanics? The smallest indivisible particles of a substance are atoms. The electrons exist as small bits of negative charge existing in…
Which of th following are chemical changes? and which are physical changes? making syrup by heating maple sap to remove water through evaporaiton?
63. Identify the following as either a homogeneous mixture, heterogeneous mixture, element, or compound: a) Silicon = b) Apple = c) Water = 4. Classify the following as either a chemical or physical property: a) gold has a density of 19 g/cm : b) burning of gasoline = c) evaporation of water =
Which of the following is a chemical property of water a) has a density of 1.00 g/mL b) freezes at 0 degrees celcius] c) reacts with calcium metal
Seawater is composed of salt, sand, and water. Is seawater a heterogeneous or homogeneous mixture? Explain.
Define physical changeand chemical change.State which type of change occurs in each of the following statements:(a) Passing an electric current through molten magnesium chlo-ride yields molten magnesium and gaseous chlorine.(b) The iron in discarded automobiles slowly forms reddishbrown, crumbly rust.
Which of the following an example of physical property of silver (Ag)? 1.) silverware slowly tarnishes over time 2.) tarnished silverware can be restored to a shiny metallic finish if placed in a boiling hot aqueous solutions of baking soda that also contains alumninun 3.) silver coins in pirate treasure turn black when left in the sea for centuries 4.) silver sinks in seawater 5.) silver is an excellent conductor of electricity 6.) silver is soft for a metal, though not as soft as gold