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Calculate the mass of nitrogen dissolved at room temperature in an 82.0 {rm L} home aquarium.Assume a total pressure of 1.0 {rm atm} and a mole fraction for nitrogen of 0.78.
4HCl MnO2=MnCl2 2H2O Cl2. When .375 moles of HCl reacts with excess MnO2, a.) How many moles of Cl2 form? b.)How many grams of Cl2 form?
How much energy (in kilojoules) is required to convert 205 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
Use the rydberg equation to calculate the wavelength in nm of the photon when an electron in a hydrogen atom undergoes a transition from n=6 to n=2
What NaCl concentration results when 299 mL of a 0.820 M NaCl solution is mixed with 407 mL of a 0.450 M NaCl solution? When heated, KClO3 decomposes into KCl and O2
What is the molecular geometry of a molecule with 3 outer atoms and 2 lone pairs on the central atom
If a solution of sea water was found to have a molarity of .26 m, what is the new freezing point of this water? (Kf = 1.86 degrees C/M)
particular sample of pure iron requires 0.595 kj of energy to raise its temperature from 25oc to 45oc. the specific
what conditions does the rate equation reduce to second-order kinetics in NO and first kinetics in O2
What would you expect to see in a reaction between salicylic acid and ferric chloride, and why
An individual suffering from a high cholesterol level in her blood has 241 mg of cholesterol per 100 { mL} of blood. If the total blood volume of the individual is 5.1 L, how many grams of total blood cholesterol does the individual's body contain..
You weighed out 204 mg of maleic anhydride. Which volume of 2,3-dimethylbutadiene will you need to add? The answer should be in mL with three digits after the decimal point.
A power plant burns 10^4 kg hr-1 of coal containing 2.5% sulfur. The effluent is released from a single stack of height 70 m. The plume rise is normally about 30 m.
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