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

Answered: Image /qna-images/answer/f1645f20-3bc6-45f7-aa6b-ca70b3ff2349.jpg

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

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 29P

See similar textbooks

Similar questions

5. The literature value for the heat of fusion of ice is 6.02 kJ/mole. What is the percent error for the experimentally determined heat of fusion?
Acoffee-cup calorimeter initially contains 125 g water at 24.2°C. Potassium bromide (10.5 g), also at 24.2°C, is added to the water, and after the KBr dissolves, the final temperature is 21.1°C. Calculate the enthalpy change for dissolving the: salt in J/g and kJ/mol. Assume that the specific heat capacity of the solution is 4.18 J/°C. g and that no heat is transferred to the surroundings or to the calorimeter.
Magnesium sulfate is often used in first-aid hot packs, giving off heat when dissolved in water. A coffee-cup calorimeter at 25ºC contains 13.2 mL of water at 25ºC. A 1.50-g sample of MgSo4 is dissolved in the water and 1.13 kJ of heat is evolved. (You can make the following assumptions about the solution: volume = 13.2 mL, density = 1.00 g/mL, specific heat = 4.18 J/g · ºC.) Write a balanced equation for the solution process. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s).
The distance between downtown San Francisco and downtown Oakland is 9 miles. However, a car driving between the two points travels 12.3miles. Of these distances, which one is analogous to a state function? Why?
A calorimeter initially contains 165.0 mL of water at 21.3oC. When 2.72 g K is added to the water, the temperature of the resulting solution rises to a maximum of 47.8oC. The reaction that occurs is:2K(s)+H2O(l)→2KOH(aq)+H2(g) Assuming no heat exchange between the calorimeter and the surroundings, calculate the heat of reaction, qreaction, in joules. (Use the total solution mass for the calculation, assume the density of water is 1.00 g/mL and the specific heat of the solution is 4.18 J/(g oC). J What is the enthalpy change, ΔH, in kilojoules per mole of K? kJ/mol K What is the enthalpy change for the reaction, ΔHreaction? kJ/mol
When 375.0g of iron block is 87C was added to water at 15C, the system reached 33C. What mass of water was used? Assume no heat loss.
When two different liquids are mixed or when a gas or solid is dissolved in a liquid, bondsare broken between neighbouring molecules (or sometimes atom) in the feed materials,and new bonds are formed between neighbouring molecules (or ions) in the productsolution. i. Briefly distinguish between heat of solutions and standard heat of formation of solution.ii. Consider solid X is to be dissolved in solvent Y. If Δ?? °is the heat of formation of X(s),using the appropriate notations, write an equation to calculate the standard heat of formation of solution that contains 5 mol of X in 100 mol of Y at 25°C, relative to X and Y.
Is there a chemical reaction that can function as an open system ? (If yes please state the energy and matter involve in this chemical reaction)
(a) How much heat is released when 25.0 g of methaneburns in excess O₂ to form gaseous CO₂ and H₂O?(b) Calculate the temperature of the product mixture if themethane and air are both at an initial temperature of 0.0C.Assume a stoichiometric ratio of methane to oxygen from theair, with air being 21% O₂ by volume (c of CO₂=57.2 J/molK;c of H₂O(g)= 36.0 J/molK; c of N=230.5 J/molK).
Sodium chloride is added in cooking to enhance the flavor of food. V\lnen10.00 g of NaCl are dissolved in 200.0 mL of water at 25.0°C in a coffee cup calorimeter, 669 J of heat are absorbed. (You can make the following assumptions about the solution: volume = 200.0 mL, density = 1.00" g/mL, specific heat = 4.18J/g . °C)(a) Is the solution process exothermic?(b) What is qH2O?(c) What isthe finaltemperature of the solution?
As some of you know, I am an aficionado of Starbuck's Steamed Milk, Venti size. Steamed milk is made by passing superheated steam into a stainless steel container containing the milk. Assume that the stcam is at 25C,L-$40 calories/gram, and the specific heat of steam is 0.500 calories/gram/degree C. Also assume that the milk is at 5°C and that 750 ml of milk represent the Venti size. The stainless steel container can be considered to have a mass of 400. grams and a specific heal capacity of 0.600 Jgram/K. If the density of milk is its specific heat is 4.184 Vgram/K, how many grams of steam does it take to raise the milk's temperature to a comfortable 65 C? Thank you for your help!
Green Chemistry and Atom Economy The purposeful design of chemical products and processes that minimize the use of environmentally hazardous substances and the generation of waste is known as green chemistry. Green chemistry is a philosophical approach that is being applied to many areas of science and technology, and its practice is summarized by guidelines known as the “Twelve Principles of Green Chemistry” (see details at this website (http://openstaxcollege.org/l/16greenchem) ). One of the 12 principles is aimed specifically at maximizing the efficiency of processes for synthesizing chemical products. The atom economy of a process is a measureof this efficiency, defined as the percentage by mass of the final product of a synthesis relative to the masses of all the reactants used: atom economy = mass of product/mass of reactants × 100%Though the definition of atom economy at first glance appears very similar to that for percent yield, be aware that this property represents a…