Question regarding the mass of sucrose
Calculate the mass (in grams) of sucrose in 1.0 kg of a 0.25% sucrose solution.
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Calculate the freezing point of a solution made from 22.0 g of octane (C8H18) dissolved in 148.0.g of benzene. Benzene freezes at 5.50 oC and its Kf value is 5.12 oC/m
Write balanced equations for the reactions of calcium metal with each of the following elements. A. H2 B. O2 C. S8 D. F2. E. N2 F. P4. You can answer only one, however, please give a step by step explanation of what you are doing.
If 112 g of CaO and 224 g of NH4CI are mixed the theoretical yield of NH3 is 68.0 g. If only 16.3 g of NH3 of NH3 is actually obtained, what is the percent yield ?
Is the melting of wax a physical or chemical change? from the mass measurement only,( the mass of the candle at 0 minute is 10.1g, after 30 minutes is 7.4g)
Calculate the mole fraction of ethanol (CH3CH2OH, molar mass = 46.0 g/mol) in a solution that contains 46 g of ethanol and 64 g of methanol (CH3OH)
The reaction is Ba(NO3)2(aq)+Na2so4(aq)toBso4(s) + 2NaNo3 (aq). The final the mixture increasing to 28.1 C degree. Calculate the enthalpy change per mole for this process.
What defense could an employer who refuses to hire a non-Jewish woman to a position of Rabbi in a Jewish Synagogue.
Calculate the mass of nitrogen dissolved at room temperature in an 98.0 L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
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An old, low quality, but free and interesting documentary: Zimbardo- Stanford Prison Experiment Documentary.