QUESTION 15 In solar thermal power plants or any solar thermat systems, what is the working fluid or heat transfer fluid? O Synthetic oil Glycol O Water O All of the above QUESTION 16 Compact Linear Fresnel Reflector (CLFR) are used in solar thermal power plants as collectors of thermal energy from the sun. In typical large power plants, oil inside the tubes of CLFRS can be heated up to O 4°C O 270 °C 400 °C 4000 °C

QUESTION 15 In solar thermal power plants or any solar thermat systems, what is the working fluid or heat transfer fluid? O Synthetic oil Glycol O Water O All of the above QUESTION 16 Compact Linear Fresnel Reflector (CLFR) are used in solar thermal power plants as collectors of thermal energy from the sun. In typical large power plants, oil inside the tubes of CLFRS can be heated up to O 4°C O 270 °C 400 °C 4000 °C

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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A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The 1 atm pressure piston cylinder is also submerged in a large insulated water bath. (See sketch at right.) cylinder From previous experiments, this chemical reaction is known to absorb 223. kJ of energy. water bath The temperature of the water bath is monitored, and it is determined from this data that 397. kJ of heat flows into the system during the reaction. gases O exothermic Is the reaction exothermic or endothermic? endothermic up Does the temperature of the water bath go up or down? down neither in Does the piston move in or out? out O neither O does work Does the gas mixture do work, or is work done on it? work is done on it O neither How much work is done on (or by) the gas mixture? Be sure your answer has the correct number of significant digits.
A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) From previous experiments, this chemical reaction is known to release 114. kJ of energy. The position of the piston is monitored, and it is determined from this data that the piston does 370. kJ of work on the system during the reaction.
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Please solve this question fastly Onekilogram of soil has 2% organic matter, 7% iron and aluminum oxides, 9% montmorillonite, and 5% smectite. Assume that the CEC for the various components is: humus = 200 cmolc / kg, iron and aluminum oxides = 2 cmolc / kg, montmorillonite = 100 cmolc / kg, and smectite = 150 cmolc / kg. Calculate the CEC of the soil.
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How many grams of C₆H₆ liquid must decompose according to the following chemical equation to transfer 430kJ of heat?
After transfer of 1.50 kJ of thermal energy to a 0.779-kg block of copper the temperature is 48.5 °C. The specific heat capacity of copper is 0.385 Jg °C!. Calculate the initial temperature of the copper. °C Submit Show Approach Show Tutor Steps Submit Answer Try Another Version 6 item attempts remaining O Type here to search 34°F Partly cloudy 11:25 PM 12/3/2021
My teacher gave me this but I don’t understand it. She wants me to write a scientific explanation that describes the thermal energy transfers that are taking place. I have to have a thorough claim, evidence, and reasoning. Please help.
Need it fast!!!!!! A large amount of pure copper pipe is found at a construction site, and it weighs 1.32 kilograms. Your friend working at the site knows you are taking General Chemistry, and asks what is the final temperature of the copper pipe, in degrees Celsius, if the copper starts at 30 oC, and absorbs 9247 Joules of energy. The specific heat of copper is 0.385 J/g-o. Remember q = m x c x ∆T. answer:_____________
A mixture of gaseous reactants is put in to a cylinder, where a chemical reaction turns them in to gaseous products. The cylinder has a piston that moves in or out as necessary to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. From previous experiments, this chemical reaction is known to absorb 243. kJ of energy. The temperature of the water bath is monitored, and it is determined from this data that 109.kJ of heat flows out of the system during the reaction. A.) is the reaction exothermic or endothermic? B.) Does the temperature of the water go up or down? C.) does the piston move in, out, or neither? D.) does the gas mixture do work, Or is work done on it? E.) how much work is done on (or by) the gas mixture?
Under normal atmospheric pressure, nitrogen boils (and condenses) at -196oC. When 7.9 g of nitrogen gas at -196oC was put into a dewar flask initially at -260oC, their temperatures reach -205.1oC. The specific heat capacity and heat of vaporization of nitrogen are 1.04 J/g-oC and 200 J/g. Determine the heat capacity of the dewar flask. Input answer in two decimal places.
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