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A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of 4°C to a final temperature of 65°C. The steam enters the heat exchanger as 50% quality steam and exits as water condensate at 85°C.
Calculate the mass of steam required to heat 150 kg of cider.
Assume you live in a medium-sized city of 150000 people and that 660 L of water is consumed per person per day. What mass of sodium fluoride (in kg) must be added to the water supply each year
if all ionic substances are completely ionized the aqueous solution with the? lowest freezing point would be ??a 0.25 m
The steam exiting the turbine is cooled by removing heat at a rate of 1.25 x 10^10 J/hr to produce a saturbated liquid at 0.5 bar. (a) Calculate the rate of steam supply needed for the turbine (kg/hr). (b) Calculate the quality of steam leaving th..
What is the total number of moles of Ca needed to react completely with 4.0 moles of H2O?
C2H5OH(aq)+2Cr2O7^2-(aq)+16H+(aq)---> 2CO2(g)+4Cr^3+(aq)+11H2O(l) What is the blood alcohol level in mass percent if 8.26mL of 0.04988 M K2Cr2O7 is required for titration of a 10.005g sample of blood?
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction. 2CO + O2 ---> 2CO2
the use of phenols such as tert-butylcatechol as free-radical scavengers is based on the fact that phenolic hydrogens
calculate the ph that results when 100 mL a liquot of 0.0500 M is added to 400 M of a NH3/NH4+ buffer that is 0.200 M in NH3 and 0.300 M in NH4Cl
Determine the number of monochlorinated and dichlorinated products that can be obtained by chlorination of 3-methylpentane. (Consider constitutional isomers only. Do not count stereoisomers.)
For this system in a closed container, write the correct equations for each half reaction and net redox reaction noting that incompatible products cannot be produced. Hint: pay attention to system B/L A/B chemistry.
Intravenous or IV solutions utilized in medicine must exert the same osmotic pressure as blood to prevent a net flow of water into or out of the blood cells. The proper concentration for an intravenous NaCl solution is 0.90 g NaCl per 100mL of wat..
Place the following compounds in order of increasing strength of intermolecular forces. CH4, CH3CH2CH3, CH3CH3
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