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The empty bulb is filled with water and weighed. The water-filled bulb has a mass of 268.63 g at a temperature of 25.0 0C. The density of water at 25.0 0C is 0.9970 g/mL. Use the mass of the empty bulb and this data to show that the volume of the bulb is 200.8 mL.
Draw electron-dot structures for the following molecules which contain atoms from the third row or lower: (a) SbCl3 (b) KrF2 (c) ClO2 (d) PF5 (e) H3PO4 (f) SeOCl2
The haber process for production of ammonia proceeds via the following reaction: N2 +3H2 --> 2 NH3 What is the relationship between the rate of ammonia production and hydrogen consumption
6HF + SiO2 => H2SiF6 + 2H2O Delta Hrxn = -670kJ/mol, What is the enthalpy change if the feed into a reactor contains 3 mol HF and 1.5 mol SiO2
(The specific heats of ice, steam, and liquid are 2.03 J/g · °C, 1.99 J/g · °C, and 4.18 J/g·°C, respectively. The heat of fusion is 6.02 kJ/mol and heat of vaporization is 40.79 kJ/mol.)
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes?
(A) What is the electron configuration of diatomic BN+? What is its bond order?
(a) Can you suggest a reason that accounts for this unusual behavior? (b) Suggest an experiment with labeled compounds that would confirm this mode of attack.
How many unpaired electrons will there be in a high-spin octahedral complex of Fe(II)
At a higher temperature, 373K, dinitrogentetraoxide partially decomposes according to the same equilibrium reaction but with slightly different results. The chemical equation is again
A sample of oxygen is collected over water at 22 C and 752 mm Hg in a 125-mL flask. the vapor pressure of water at 22 C is 19.8 mm Hg. how many moles of dry gas are collected and how many moles of wet gas are in the flask
Calculate the average net charge on phenylalanine if it is in a solution that has a pH of 8.40 (If the charge is positive, you do not need to enter a \+ \" sign.)
Write the overall cell reaction of each. Identify the anode and cathode of each. Arrange the three metals in order of decreasing ease of oxidation(most easily oxidized metal first
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