Determine the entropy change of the system
Determine the entropy change of the system when 0.750 g of ethanol (C2H5OH) evaporates, given ΔH vaporization is 40.5 kJ/mol and the normal boiling point of ethanol is 78.5 °C.
a 86.4 J/Kb 8.40 J/Kc 1.87 J/Kd -1.87 J/K
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The standard free energy change for the formation of N2H4(l) from elements is +149 kJ/mol at 25 °C. What is the equilibrium constant for the reaction? (R = 8.314 J/K·mol)
a solution which is 37.2 mass% hcl has a density of 1.19g/ml.what mass of hcl is contained in 30.0ml of a solution.
Atmospheric pressure is 29.86Hg. What is the absolute pressure in psia being measured? The density of mercury at 70F is 13.543g cm^-3.
when 50.0 grams of acetylene is allowed to react with excess oxygen, 75.0 grams of CO2 are formed. What is the percent yield of carbon dioxide?
If we assume the individual drank all of the alcohol at once (i.e. no metabolism of alcohol by the body), the total volume of blood for the individual was 1.5 gallons, and the individual was drinking Maker's Mark (130 proof), what volume of Maker'
The mass of the first block is 1224 g, and its velocity is +0.685 m/s after the bullet passes through it. The mass of the second block is 1555 g. (a) What is the velocity of the second block after the bullet imbeds itself? (b) Find the ratio of th
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C?
Dinitrogen monoxide n2o decomposes producing nitrogen and oxygen gases.calculate the total volume of produced gases at STP. When 8.8 grams of dinitrogen monoxide decomposes.
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With in-text citations and references, explain the key components necessary for the success of public health infrastructure.
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Choose 3 different vulnerable populations. What factors create vulnerabilities for different populations?
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SmartCup also detects volume and will give information relevant to percentage of daily consumption. Other metrics the cup is able to test include whether