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Question 1:
A sample of gas at 310 Kelvin and 1.2 atmospheres has a density of 2.78 g/L, what is the molar mass of this gas? Show all of the work used to solve this problem.
calculate the volumetric size of a water molecule in vapor assuming 1 mole of the vapor occupies 22.4 l as if the
Reaction: 2NO(g)+2H2(g)=>N2(g)+2H2O(g) Calculate the equilibirum concentration of all the gases( in class my instructor said that a method called the ICE table is useful. do you know how to do that?). b) calculate the numerical value of Kc.
the standard reduction potential for the cu2+/cu redox couple is +.34V; that for h2o/H2, OH- at a ph of 7 is -.41V. For the electrolysis of a neutral 1.0M CuSo4 solution, write the equation for the half reaction occuring at the cathode at standard..
An empty gasoline can with dimensions 15 cm by 40 cm by 12.5 cm is attached to a vacuum pump and evacuated. if the atmospheric pressure is 14.7 lb/in^2.
Can anyone suggest a simple method for the separation of phenol from a solution which contains both phenol and cyclohexanol
Amongst the following pairs, predict which one would be the best nucleophile and justify your answer.i) CH3OH vs. CH3O-
how many calories are required to raise the temperature of a 150.g sample of gold from 25 Degrees C to 175 Degrees C
on a dry day your body can accumulate static charge from walking across a carpet or from brushing your hair. if your
(NH4)2S is a strong electrolyte. Find out the concentration of each of the individual ions in a 0.800 M (NH4)2S solution.
For the decrease of camphor into isobornel, you must place the camphor, methanol solvent, NaBH4 mixture in a steam back for two minutes, and then remove, permit to cool and then add ice cold water. Explain what is the purpose of both of these steps
Calculate the mass of propylene glycol that must be added to 0.360 of water to reduce the vapor pressure by 2.88 torr at 40°C (Pressure of H2O is 55.3 torr at 40°C ).
Write one overall equation, using an alkali metal ion and a nitrate ion as spectator ions if needed, for the following net ionic equation: H+(aq) + OH-(aq) ? H2O(l)
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