Determine the mass flow rate of steam
Steam enters a diffuser at 20 psia and 240oF with a velocity of 900 ft/s and exits as saturated vapor at 240oF and 100 ft/s. The exit area of the diffuser is 1 ft2. Determine (a) the mass flow rate of steam and (b) the rate of entropy generation.
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Write Lewis structures that obey the octet rule for each of the following molecules and ions. (In each case the first atom listed is the central atom.)
Calculate the Heat of Fusion of ice if you had 15 grams of warm water at 40 degrees Celsius in a Styrofoam cup and you added 4.27 grams of ice originally at 0 degrees celsius and after the ice melted the combined liquid was 10.0 degrees celcius an
a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?
If a bottle of nail polish remover contains 172 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 g/mL.
Steam enters a diffuser at 20 psia and 240oF with a velocity of 900 ft/s and exits as saturated vapor at 240oF and 100 ft/s. The exit area of the diffuser is 1 ft2.
Consider the following thermochemical equation: CaCO3(s) CaO(s) + CO2 Ho = +178 kJ. How much heat must be absorbed by 22.5 g of CaCO3 to convert it completely to CaO?
The product of this reaction, ozone, is a pollutant in the lower atmosphere. Ozone is an eye and lung irritant and also accelerates the weathering of rubber products. Write Lewis structures for each of the reactants and products in the preceding r
Calculate the number of moles of AgCrO4(Ksp=9.0x10^12) that will dissolve in 1.00L of 0.010 M K2CrO4 solution. what will be the ion concentrations at equilibrium?
In the chemical formula for alu, there are 12 water molecules present. It is also possible to prepare the anhydrous compound potassium aluminum sulfate. On the "molecular scale" describe how a crystal of alum differs from a crystal of potassium al
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When children are able to determine that the same amount of liquid is in two different sized containers, they have mastered
What is one specific way in which behavior modification techniques might be used in this field? What would be the end goal when using these techniques?
The range of tasks that are too difficult for the child to master alone but that can be learned with the guidance and assistance of adults
My name is Lisette (preferred) and I am located in Augusta, GA. I am majoring in Psychology (BS) with the Life Sciences option, I currently am a manager
Analyze the factors that contribute to employee motivation, satisfaction and engagement. Discuss how employee stress and low motivation can be influenced
Problem: Identify and explain the main ethical challenges faced by Iverem.
Problem: This video talked about personal bias and outdated facts that confuse the general population.