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The density of a gas containing chlorine as well as oxygen has a density of 2.875 g/L at 759.5 mm Hg as well as 11 degrees C. Explain what is the most likely molecular formula of the gas?
a 0.1946 g piece of magnesium metal is burned in a constant volume calorimeter that has a heat capacity of 1349 jdegc.
To this vessel 8.6787g of Ne are added in such a way that no butane escapes. The total pressure of the vessel (at the same temperature) is 1420 torr. Calculate the volume of the vessel and the mass of the butane.
3.00×10-3 mol of HBr are dissolved in water to make 18.0 L of solution. What is the concentration of hydroxide ions, [OH^-], in this solution?
What total mass of hydrogen is contained in 7.1 g of solution that is 51 % hydrogen peroxide
Calculate the pH of a solution prepared by mixing equal volumes of 0.21M methylamine (CH3NH2), Kb = 3.7X10^-4 and 0.61M CH3NH3Cl
Osmosis is the process responsible for carrying nutrients and water from groundwater supplies to the upper parts of trees. The osmotic pressures required for this process can be as high as 20.1 atm
Construct a model of 2-chlorobutane. Which carbon in the chain is a chiral center. What has highest priority. Lowest
Calculate the specific heat per mole in J/mol°C for each noble gas.comment on the values you obtain. why was the question included. can someone show me how to solve this problem step by step.
Because of its semiconducting properties CdS, is sometimes used in electronic devices. The band gap energy for CdS is 2.40 eV. What is wavelength of a photon with this energy?
Show utilizing an example that the following two formulations of the Pauli Exclusion Principle are equivalent. Wave function explaining a many-electron system must change sign under the exchange of any electrons.
What mass of ammonium chloride (mm = 53.49 g/mol) must be added to 335 mL of 0.559 M NH3 to create a solution of pH 8.20
A 350.0 mL sample of oxygen gas was collected over water at a temperature of 25.0ºC and 740.0 mm Hg. How many moles of gas were there in this sample if the vapor pressure of water at 25.0ºC is 23.8 mm Hg?
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