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Place the subsequent molecules and ions in order of increasing bond angle about the central atom as well as explain your decision citing evidence from Part B.
NO3-, CO2, NO2-, CH2Cl2, NH3, H2S
a 150 ml aqueous solution containing .18m of a weak acid wasextracted with 50 ml of ether organic phase. after
A 100.0-mL buffer solution is 0.175M in HCIO and 0.150M in NaCIO .What is the pH after addition of 150.0mL of HBr?
Freezing of acetone at 1atm. irreversible isothermal expansion of an ideal gas. adiabatic compression of an ideal gas. irreversible adiabatic expansion of a gas beside an external pressure. reversible isothermal compression of an ideal gas
calculate the change in enthalpy when 52.0 g of solid chromium at 25 degrees celcius and 1 atm pressure is oxidized.
Whats the volume of 1.05 mol of benzene at 20.7 C? The density of benzene of 0.879 g/mL.
What would the concentration (or activity) of Hg2+(aq) be in the solution if equilibrium existed between the water in soil pores, the gas and cinnabar
Determine the molar mass of each of the following gases: a.) 0.82g of a gas that occupies 470mL at 0C and 1.00 atm (STP). b.) 1.48g of a gas that occupies 1.45L at 0C and 760 mmHg (STP). c.) 1.48g of a gas that occupies 1.30L at 695 mmHg and 20.0C..
Provide three balanced chemical equations that will precipitate Pb2+ from a solution. Exclude substances containing chloride or chromate ions
Hydrogen atoms are excited by a laser to the n=4 state and then allowed to emit. What is the maximum number of distinct spectral lines (lines of different wavelengths) that can be observed from this system? Calculate the wavelength of each of thes..
A student prepared a solution by dissolving 0.4351±0.0002 g of NaCl (formula mass of NaCl is 58.443±0.002g/mole) in 997.33±0.03ml of water. Then, he accidently added 5.21±0.02ml of water into the solution.
Explain a gaseous fuel mixture stored at 748mmHg as well as 298K contains only methane (CH4) and propane (C3H8). While 11.8L of this fuel mixture is burned it produces 779kJ of heat.
a compoud is known to contain only carbon, hydrogen and oxygen. If the complete combustion of a .150 g sample of this compoud produces
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