The specific heat of aluminum is 0.214 cal/g.°C. Determine the energy, in calories, necessary to raise the temperature of a 55.5 g piece of aluminum from 23.0 to 48.6°C. A. 109 cal B. 273 cal C. 577 cal D. 347 cal E. 304 cal Energy is the ability to do work and can be: A. converted to one form to another B. can be created and destroyed C. used within a system without consequences D. none of the above

The specific heat of aluminum is 0.214 cal/g.°C. Determine the energy, in calories, necessary to raise the temperature of a 55.5 g piece of aluminum from 23.0 to 48.6°C. A. 109 cal B. 273 cal C. 577 cal D. 347 cal E. 304 cal Energy is the ability to do work and can be: A. converted to one form to another B. can be created and destroyed C. used within a system without consequences D. none of the above

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...

See similar textbooks

Similar questions

Two portions of 50.0 g of water, at 13.0 and 52.0 °C, respectively, were mixed inside a cup calorimeter. If the temperature of water after mixing became 31.0 "C, Calculate the heat capacity of the calorimeter. Given that specific heat of water is 4.184 J/ "C.g. a. 46.5 J/'C b. 69.7 J/°C c. 58.1 J/°C d. 34.9 J/°C e. 23.2 J/°C Clear my choice
How much heat must be added to a 67.42 g sample of water to raise its temperature from 1.2 °C to 97.4 °C? a.21759 J b.-27100 J c.27137 J d.-27137 J
What amount of heat is needed to raise the temperature of 25.5 g of water from 18oC to 29oC? Water's specific heat is 4.18 J/goC. A.1172 J B.0.164 J C.1.172 J D.164 J
1. Determine if each of the following is an example of an endothermic or exothermic process. a. When solid NaHCO; is dissolved into water in a beaker the beaker becomes very cold. b. Steam condenses on the bathroom mirror.
What is the amount of heat (value of q) when 22.8 g of aluminum is heated from 20.0°C to 425°C? The specific heat capacity of aluminum is Cs AL = 0.900 J/g°C. Select one: a. –1.19 x 10^3 J b. 52.2 J c. none of these d. -52.2 J e. 405 J f. 1.19 x 10^3 J g. 2.94 J h. -405 J i. 8.31 x 10^3 J j. -8.31 x 10^3 J
Convert the following numbers of calories or kilocalories into joules and kilojoules (Remember: kilo means 1000.) a. 75.2 kcal b. 75.2 cal c. 1.41 × 10³ cal d. 1.41 kcal
What is the amount of heat (value of q) when 22.8 g of gold is heated from 20.0℃ to 425℃? The specific heat capacity of gold is Cs,Au = 0.129 J/g℃. Select one: a. 2.94 J b. 405 J c. none of these d. –405 J e. –1.19 x 10^3 J f. –1.07 x 10^3 J g. 1.07 x 10^3 J h. 52.2 J i. 1.19 x 10^3 J j. –52.2 J
1
Which of the following below are endothermic process(es)? One or more processes may be chosen. Explain why. a. In the freeze-drying of coffee, ice is converted directly to gas at low temperature and pressure. b. In a fractionating column, components of crude oil vapors liquify at different levels according to their boiling points. c. In the hands of an artist, molten glass is shaped into glass ornaments of various shapes and sizes. d. When melted, the S8 ring of sulfur breaks to form long linear chains (S16, S24, etc.).
A sample of 175°C copper is placed into a beaker with 100 grams of 25°C water. Which sample of copper will heat the water to the lowest final temperature? The specific heat of copper is 0.385 J-g-1.°C-1. The specific heat of water is 4.184 J·g-1.°C-1. A. 5.0 g Cu B. 2.0 g Cu C. 0.5 g Cu D. 1.0 g Cu
If the initial temperature of a 10.00 mL sampleof water was 80oC and its final temperature is 21oC, what is the q of the water sample? (The answer should always be negative for lost heat, and positive for gained heat). a. -2466J b. 2466J c. -590J d. 590J
When solid calcium hydroxide reacts with hydrochloric acid in water, dissolved calcium chloride precipitate and water are formed. This reaction gives off heat. Find the a. chemical equation b. balanced equation