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The internal energy of helium at 300 K as well as 1atm is 3800 KJ, and the molar volume at the same temp. is 24.63 L/mol. Compute the enthalpy of helium at this temperature and pressure as well as the rate at which enthalpy is transported by a strem of helium at 300 K and 1atm whose molecular flow rate is 250Kmol/hr. R=0.082 L(atm)/mol K, R=8.314 J/Kmol. Compute the maximum work of the system
Pre-Lab Assignment- Understanding Activity 3 in this manual and significant figures and uncertainty in measurements in general will help you answer the last two questions
if 1lb of fat is stored by the body for each14.6103kj of excess nutritional energy consumed how many bags of chips
Calculate the mole fraction of the salt in the solution
What is the change in internal energy (in J) of a system that absorbs 6.03 kJ of heat from its surroundings and has 4.70 kcal of work done on it? 1 kcal = 4.184 kJ
How could you be certain a peak in the soda was caffeine and not another substance with similar retention time
When 14.0ml of HCl of unknown concentration (but less than that of the base) are reacted with 15 ml of 3.218M NaOH, 2.01KJ of heat are released. What is the molarity of the HCl solution
Draw a representation for TPCP that would represent its structure if the phenyls were perpendicular to the 5-membered ring (a "paddle-wheel" structure) and a representation that represents the "propeller" structure shown by the computer.
What is the pH of a solution containing 0.24 moles of ammonia and 17.8g of ammonium chloride, NH4Cl. Kb for ammonia is 1.8 times 10, What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times 10
a gas stream contains 18.0 mole hexane and the remainder nitrogen. the stream flows to a condenser where its
Whether a reaction will proceed via an SN1 or an SN2 process depends on: Answer the structure of the reactants the structure of the products the reaction conditions all of the above a and c
Acetic acid is a monoprotic acid and thus the reaction stoichiometry is 1:1. that is one mole of sodium hydroxide will neutralize one mole of acetic acid.
you have 100 ml graduated cylinder containing 50 ml of water. you drop a 154 g piece of brass d 8.56 gcm3 into the
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