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Compute the mass in g of precipitate formed when excess sodium hydroxide is added to 42.5mL of 15.5% magnesium nitrate solution whose density is 1.12 g/mL.
The best design for rockets is one in which both fuel materials run out at the same time to minimize excess mass. If the total mass of both components in a decaborane/oxygen rocket must be 3.011E+6g, what mass of liquid oxygen should be used
How would the following experimental errors change the calculation of the number of mg of ascorbic acid in fresh orange juice a) student neglected to filter the juice
Forms hydronium ion H3O+ Forms hydroxide ion OH- Loses electrons (Oil) Gains electrons (Rig) Where oxidation takes place Where reduction takes place
To what pressure and temperature must one mole of Xe gas raised in order for it to be in a state corresponding to 1.00mole of Ar at 1.00 bar and 20.00 degrees
Calculate the molar concentration of NaNO3 and the mass percent of NaNO3 in the solution. What is the mole fraction of NaNO3 in the solution?
Choose the selection which correctly identifies the forces which must be overcome to convert NH3 from a liquid to a gas. a) Only London dispersion forces must be overcome. b) Only dipole-dipole forces must be overcome
a glucose solution contains 52.0 g of glucose c6h12o6 in 465 g of water. compute the freezing point and boiling point
Calculate the percentage of acetic acid that exists in ionized form when dissolved in water at 0.5 M total concentration.
Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous or heterogeneous
a solution is prepared by dissolving 297 g of sucrose c12h22o11 in 624 g of water. what is the vapor pressure of this
solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
topic global warming is one of the most serious environmental problems today as it is caused primarily by the burning
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