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A sample of N2O effuse from the container in 42 seconds . how long it will take the same ammount of gaseous I2 to effuse from the same container under identical conditions.
A sample of 0.600 mol of a metal M reacts completely with excess fluorine to form 46.8 g of MF2. (a) How many moles of F are in the sample of MF2 that forms? M + F2 (b) How many grams of M are in this sample of MF2?
Calculate the concentration of all ionic species at equilibrium after adding 1 g sodium acetate to 0.1 L of a 0.1 M solution of acetic acid. Assume volume stays constant and conditions are at standard state
14 g of Si reacts with 16 g of O to produce SiO2, the only product, with no reactant left over. How much SiO2 would be produced from 34 g of Si and excess O?
The vapor pressure of dichloromethane at 0C is 134mmHg. The normal boiling point of dichloromethane is 40C. Calculate its molar heat of vaporization.
carbon aldoses are there in the L-series? Enter just the numerical value, expressed as a whole number.
The addition of 6 g of salt to a sample of pure water causes its freezing point to be reduced from 0°C to -1.5°C. After an additional amount of salt is dissolved in the solution
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
what is the empirical formula of a compound containing 16.6% by mass of silicon and 83.4% by mass of chlorine? if the molecular mass of the compound is 336g/mol what is the molecular formula.
The normal boiling point of bromine is 58.8 C. Given that the vapor pressure pressure of bromine is 75.0 torr at 2.5 C, Calculate the molar enthalpy of vaporization of bromine.
Find the volume of a molar solution and What volume of a 2.00 molar solution of sulfuric acid, H 2 SO 4 , is required to react with 250.0g of magnesium carbonate, MgCO 3 , according to the following equation?
10.00 mL of the final acid solution with excess barium chloride to produce a precipitate of barium sulfate (FW=2.33g/mol). The dry solid weighs 0.397 g.
calculate the mass of agcl and h2s formed when 85.6 g of ag2s reacts with excess hcl.
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