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Question- If 0.5 amps of current flowed for 10 minutes, what volume of hydrogen gas would be produced at STP?
(Standard Temperature and Pressure = 0 degrees C, 1 atm)
Write your solution in appropriate format and provide references
Consider a titration of 43.8mL of .124 M solution of aqueous ammonia [Kb(NH3)=1.8*10-5] with a .124 M solution of hydrochloric acid. Compute
The second container is kept at 149.2 K. What is the volume (in liters) of nitrogen gas in container 2? Containers are kept at a constant pressure.
Compute the initial pressure of the gas in the cylinder. b. Compute how much heat must be added to the gas in the cylinder for the spring to compress by 2cm
grams is added to a flask with a volume of 24.5 mL. It is found that 18.52 grams of water (d=0.9970 g/ml) must be added to fill the flask. What is the density of the metal?
A reaction mixture in a 10.00-L flask contains 0.27 moles each of hydrogen and fluorine gases plus 0.45 moles of HF. What will be the concentration of H2 when this mixture reaches equilibrium
Are these analyses correct? (i.e. are the charges balanced?) What partial pressure of CO2 would be at equilibrium with this water
Question- How would the calculated value of the molar mass of the unknown acid be affected (higher, lower, or no change) if the following errors occurred? Briefly explain why in each case.
Consider a molecule having three energy levels as follows: State Energy (cm?1) degeneracy 1 0 1 2 500. 3 3 1500. 5 Imagine a collection of N molecules
2-Methylhexane demonstrate an intense peak in the mass spectrum at m/z = 43. Offer a likely structure for this fragment.
not enough air is pumped into a raft to completely fill it out. the atmospheric pressure is 14.7 psi. what is the pressure of the air inside the raft?
The radius of a xenon atom is 1.3\times 10^-8 cm. A 100mL flask is filled with Xe at a pressure of 1.5atm and a temperature of 254K
What mass of water (in grams) is contained in 2.9 L of the vapor above this solution at 55 C. The vapor pressure of pure water at 55 C is 118 torr. (Assume a van't Hoff factor of 1.9 for NaCl.)
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