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Problem- Given a gas mixture consisting of 5lbm of methane, 10 lbm of ethane, 5 lbm of propane, and 3 lbm of butane, determine the number of moles of each component in the mixture
I am stuck in between this question please help me out
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 2.530-g sample of Mg metal is added to 50.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed
Determine the ΔH solution for this compound If the heat of solvation for this compound = -30.8 kJ/mol , crystal lattice energy = -62.2 kJ/mol.
during photosynthesis an electron is believed to travel 25 angstroms within one picoseconds. the uncertainty in time
What is the of 1.00 of the buffer solution that contains 0.100M HF and 0.120M NaF after 0.020M of HNO3 is added. The Ka of HF is 3.5 x 10^-4, and pKa = 3.46.
No desiccator is available. the sodium carbonate is cooled to room temperature, but the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution. Will it be too high, too low, or unaffec..
bathophenanthroline is a compound that forms a red complex with ironii. the molar absorptivity for the complex is 22350
given the following equation what volume of hydrogen gas h2 is released at stp conditions by the action of 8.18 g of
1) A sample oxygen gas is collected over water at 25.0 C an a total pressure of 642 torr. The volume of the gas collected is 500.0 mL. what mass of oxygen is collected. the vapor pressure of water at 25.o C is 28.8 torr.
In each reaction box, place the best reagent and conditions from the list below. (A reagent may be used more than once.) acetylene to 3-hexyne-1-ol
a argon gas sample has a volume of 795 litres at a pres-sure of 1.28 torr and a temperature of 104 degree celsius. then
Calculate the boiling point of a solution of 500.0 g of ethylene glycol (C2H6O2) dissolved in 500.0 g of water. Kf = 1.86°C/m and Kb = 0.512°C/m. Use 100°C as the boiling point of water.
Problem- when 1.46 g of vitamin k is dissolved in 25 g of camphor the freezing point of the solution is lowered by 4.89 C. Calculate the molar mass of vitamin k
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