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How many moles of helium are contained in a 2.0 L balloon at 30.0 oC and at 735 mmHg? Use the ideal gas law. Hint: Convert mmHg to atm and Celsius to kelvin first.
Problem- Predict the products and show the reaction mechanism for the acid catalyzed Fischer esterification reaction between ethanol and acetic acid (CH3CO2H).
Lodging is such a broad industry and is not narrowed to just hotels. What are some other types of lodging that might seem more non-traditional?
Did all of the powder dissolve. if not how much powder remains undissolved. If so, how much more powder can be dissolved before a saturated solution is reached.
Question- A certain protein only folds in solutions of pH= 4.3-4.7 to study this folding process you would choose a weak acid with Ka=
The oil produced from eucalyptus leaves contains a vloatile organic compound eucalyptol. At 190 degrees c, and 60.0 torr, a sample of eucalyptol vapor had a density of 0.32g/L. Calculate the molar mass of eucalyptol
calculate the total pressure when 1 l of ch4 at stp and four litre of oxygen at stp was combined in anbsp container of
1.00oz of gold (density=19.3g/mol) can be hammered into a sheet which would cover a 1.00*10^2 ft2 area. How thick should a sheet be in centimeters
Which of the following choices is the correct measurement to record in your data if the digital readout on a balance won't stop jumping from "64.382" to "64.381
Using information from the table of Standard Thermodynamic Data, calculate the equilibrium constant, Keq, for the reaction given below at 298 K.
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate [Pb2+] when Ecell is 1.017 V and [Mn2+] = 0.589 M. Use reduction potential values of Mn2+ = -1.18 V and for Pb2+ = -0.13 V
Question- How much HCO2H is obtained by reacting 2.40 g of FeS, 1.20 g of H2S, and 1.20 g of CO2 if the reaction results in a 47.0% yield
Calculate Qsp for calcium fluoride (Ksp=3.9x10^-11) when 195.0 mL of a 0.00780 M solution of Ca(NO3)2 is added to 175.0 mL of a 0.00740 M solution of KF
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