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meteorological balloon contains 375 L of helium at 29°C and 0.928 atm. If the volume of the balloon can vary according to external conditions, what volume would it occupy at an altitude at which the temperature is -40°C and the pressure is 0.031 atm?
Determine hydroxyl and hydrogen ion concentration in this solution. (if Ka for ammonium ion = 5.0 x 10^-10.)
Suppose that you are carrying out a dehydrohalogenation reaction on 2-bromo-2,3-dimethylpentane to yield alkenes
Standard potentials measured against the standard hydrogen electrode, Standard potentials are measured against the standard hydrogen electrode (S.H.E.). Because it is not always convenient to use a S.H.E
Working with triple point, The sublimation pressures of solid chlorine are 352 Pa at -112 C and 35 Pa at -126.5 C. The vapor pressures of liquid Chlorine are 1590 Pa at -100 C and 7830 Pa at -80C
an airplane is pressurized to 650 mmhg. The partial pressure of oxygen is 137 mmhg. If the partial pressure of oxygen drops below 100.mmhg.
Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L.
if water is added to magnesium nitride, ammonia gas is produced when the mixture is heated. if 10.3 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 20 celcius and .989 atm
What is the number of moles of an ideal gas, if the volume is 67 mL, the pressure is 716 mmHg and the temperature is 34 0C?
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.156 M in sodium chloride and 0.094 M in magnesium sulfate?
This is a study guide for naming of organic compounds, specifically alkanes and substituted alkanes. Thirty (30) questions and answers are also included. The study guide shows you
What is the freezing point of a solution made by dissolving 352g of ethylene glycol C2H6O2 on 648 g of water the freezing point of pure water is 0.0C and kf of pure water is -1.86Cm?
If ΔH = -60.0kJ and ΔS = -0.200kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins.
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