I Review | Con Use the heat equation to calculate the energy for each of the following (see the table): kilocalories to heat 5.5 kg ot water trom 22 C to 29 "C Express your answer to one significant figure and include the appropriate units. Substance cal/g C J/g °C Elements Aluminum, Al(s) 0.214 0,897 Copper, Cu(s) Gold, Au(s) 0.0920 0.385 0.0308 0.129 Value Units Iron, Fe(s) 0.108 0,452 Silver, Ag(s) 0.0562 0.235 Submit Request Answer Titanium, Ti(s) 0.125 0,523 Compounds Ammonia, NH,(g) Ethanol, CH,OH(1) 0,488 2.04 Part D 0.588 2.46 Sodium chloride, NaCI(s) 0.207 0.864 kilojoules to heat 223 g of gold from 18° C to 115 °C Water, H,O(!) 1.00 4.184 Express your answer to three significant figures and include the appropriate units. Water, H,O(s) 0.485 2.03 ? Value Units Submit Request Answen

I Review | Con Use the heat equation to calculate the energy for each of the following (see the table): kilocalories to heat 5.5 kg ot water trom 22 C to 29 "C Express your answer to one significant figure and include the appropriate units. Substance cal/g C J/g °C Elements Aluminum, Al(s) 0.214 0,897 Copper, Cu(s) Gold, Au(s) 0.0920 0.385 0.0308 0.129 Value Units Iron, Fe(s) 0.108 0,452 Silver, Ag(s) 0.0562 0.235 Submit Request Answer Titanium, Ti(s) 0.125 0,523 Compounds Ammonia, NH,(g) Ethanol, CH,OH(1) 0,488 2.04 Part D 0.588 2.46 Sodium chloride, NaCI(s) 0.207 0.864 kilojoules to heat 223 g of gold from 18° C to 115 °C Water, H,O(!) 1.00 4.184 Express your answer to three significant figures and include the appropriate units. Water, H,O(s) 0.485 2.03 ? Value Units Submit Request Answen

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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17.3 g of an unknown metal cools from 42 \deg C to 23 \deg C and loses 223.5 J of heat. What is the specific heat of the metal in J/(g \deg C)? Give your answer in J/(g \deg C) to the nearest hundredth. Do not put units in the answer space.
A metal with a specific heat of 0.900 J/g °C requires 1,000 J of heat to raise the temperature (the change in temperature) by 15 °C. What is the mass of the metal? Your Answer:
When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final temperature? (Assume that no heat is lost to the surroundings; d of water is 1.00 g/mL.)
I Review I Use the heat equation to calculate the energy for each of the following (see the table): Specific Heats for Some Substances Part A cal/g °C J/g°C Substance Elements calories to heat 9.0 g of water from 15 °C to 31 °C Express your answer to two significant figures and include the appropriate units. Aluminum, Al(s) Copper, Cu(s) Gold, Au(s) Iron, Fe(s) Silver, Ag(s) 0.214 0.897 0.0920 0.385 HẢ ? 0.0308 0.129 0.108 0.452 Ω % (X) 0.0562 0.235 Titanium, Ti(s) 0.125 0.523 Value Units Compounds Ammonia, NH3 (g) Ethanol, C2HsO(1) 0.488 2.04 Submit Previous Answers Request Answer 0.588 2.46 Sodium chloride, NaCl(s) Water, H20(1) Water, H20(s) 0.207 0.864 X Incorrect; Try Again; 2 attempts remaining 1.00 4.184 0.485 2.03 Part B
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Aluminum has a specific heat of 0.902 J/g⋅°C. How many joules of heat are required to change the temperature of 8.50 grams of aluminum from 25.0°C to 93.4°C? a) 7.67 J b) 71.7 J c) 192 J d) 483 J e) 524 J
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