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a student collects 31.8 mL of argon gas at a temperature of 21 Celsius and a pressure of 755 mmHg. What is the volume of argon at STP?
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 & 1.8 ppm and are said to be shielded
What is the expected freezing point of a 0.50 m solution of Li2SO4 in water? Kf for water is 1.86°C/m.
If 5.28 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
Following the equation for the combustion of 2C3H6O+8O2----->6CO2+6H2O+853.6 kcal. How much heat will be given off if 0.48 mol of acetone is burned completely?
Arrange the four compounds below in order of increasing volatility.
Show that the balanced equation obeys the law of conservation of mass.
A 6 cm string is fastened at both sides is plucked. What is the wavelength of the n = 3 standing wave? How many nodes does it contain.
In the electrolysis of aqueous NaCl, how many liters of Cl2(g) (at STP) are generated by a current of 7.50 A for a period of 100. min.
Solid ammonium nitrate (NH4NO3) and solid calcium chloride were placed in water and the mixture was stirred. What is the precipitate?
A container holds 355 mL of a mixture of nitrogen and carbon dioxide gases. Calculate the partial pressures of each gas if the container is at 27.3oC.
If a gas is collected over water at 30.0oC in a 50.0 ml container and the pressure of the "wet" gas is found to be 645 torr, what would the pressure of the "dry" gas be in the same container and temp.
Assuming that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals interact, according to molecular orbital theory
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