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How would you explain Le Chatelier's Principle if two reactants on one side were a gas and a liquid and the reactants on the other side were a solid and a gas?
A cube of lead (? = 11.3 x 103 kg/m3) is placed in a pool mercury (? = 13.6 x 103 kg/m3). The cube of lead is 3.60 x 102 cm on a side. Calculate the percentage of the cube that is above the pool of mercury.
Question- The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.3. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.65 M B(aq) with 0.65 M HCl(aq}
Suppose that a certain biologically important reaction is quite slow at physiological temperature (37 degrees C ) in the absence of a catalyst.
A student used 22.0 mL of 0.1035 M NaOH to titrate 20 mL of orange juice. How many grams of citric acid were present in the sample? The molar mass of citric acid, H3C6H5O7, is 192.12 g/mol.
Using the alpha diagram for carbonate in a closed system, at what pH would the molar CO2 concentration be approximately equal to the molar bicarbonate concentration
My motorbike that didn't make the move when I came to CA. Empty (without the fuel) it weighs 370 lbs, and the tank has a capacity of 14.5 L. Assume that the fuel it takes has a density of 0.750 g/cm3, what is the weight of the bike in kg after fuelin..
Consider 4.00 rm L of a gas at 365 rm mmHg and 20. rm ^{circ}C . If the container is compressed to 3.00 rm L and the temperature is increased to 36, rm ^{circ}C, what is the new pressure, P_2, inside the container? Assume no change in the amount o..
A 64.3-g piece of aluminum at 94 °C was immersed into 70.0-g water at 25.0 °C. The water temperature rose to 36.4 °C. Calculate the molar heat capacity of the metal.
Consider a molecule having three energy levels as follows: State Energy (cm?1) degeneracy 1 0 1 2 500. 3 3 1500. 5 Imagine a collection of N molecules
A plane wall is constructed of a material having a thermal conductivity that varies with the square of the temperature according to the relation k=k0(1+βT2). Derive an expression for the heat transfer in such a wall.
Calculate the entropy change associated with the isothermal expansion of 5.40 mol of ideal gas atoms
Suppose 35.68 mL of 0.01015 M KMnO4 is required to titrate 3.576 g of a sample containing C2O42-. What percentage Oxalate is present in the sample?
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