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A student has a flask filled with 0.385 grams of a gas at 26.2 Celsius and 1.01 atm. The flask has a volume of 138.2 mL
a. Use the ideal gas equation to determine the moles of gas present in the flask.
b. what is the molar mass of the gas?
when alpha-d-xylofuranose is treated with excess methyl iodide in the presence of ag2o how many equivalents of methyl
Nitrating Acetanilide- draw the resonance forms for the arenium ion formed during your reaction (nitroacetanilide)
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The standard enthalpy of atomization of an element is the energy required to convert one mole of an element in its most stable form at 25 Celsius to one mole of monoatomic gas.
if a container of nitrogen, oxygen, carbon dioxide has a pressure of 2.00atm and the partial pressure of O2 is 312torr,
A person breathes 2.6 L of air at -110 C into her lungs, where it is warmed to 370C. What is its new volume?
an alum is a double salt consisting of a monovalent cation a trivalent cation and two sulfate ions with twelve water of
a sample of gas in a rigid container at 30 degrees celsius and 2.00 atm has its temperature increased to 40.00 degrees
Predict whether a reaction will occur when aqueous solutions of silver nitrate and potassium bromide are mixed. Of silver ion, nitrate ion, potassium ion, and bromide ion, which are spectator ions?
Kb for NH3 is 1.8 x 10^-5. What is the pH of a 0.35 M aqueous solution of NH4Cl at 25.0 degrees C? NH4 (aq) NH3(aq) + H+ +Cl-(aq)
Liquid nitrogen has a density of 0.808g/ml at 77 K. A sample of 2.5 L of liquid nitrogen is allowed to evaporate at 21°C and 1.00 atm of pressure. what volume will the nitrogen gas occupy?(keep your phases straight)
Calculate an approximate heat of reaction for the combustion of one mole of methane gas (CH4) to form gaseous H2O and CO2. What Volume (in L) of methane is needed to produce 2471 kJ of heat for methane gas at 35 Degrees C and 7.17 atm pressure
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