Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Integrate the expression = 1/V (?V / ?T) at constant pressure, assuming that is independent of temperature. By doing so, obtain an expression for V as a function of T and at constant P.
Calculate the pH of a solution prepared by mixing 0.0800 mol of chloroacetic acid plus 0.0400 mol of sodium chloroacetate in 1.04 L of water. (pKa of chloroacetic acid = 2.865.)
Which of the following reactants would yield chlorocyclopentane as the product of an addition reaction
What is the maximum amount, in kg, of ethanol that can be produced when 2.62 kg of ethylene (C2H4) and 0.0684 kg of steam are placed into the reaction vessel
If the ratio [HbCO]/[HbO2] comes close to 1, death will happen. What partial pressure of CO is fatal. Assume the partial pressure of O2 is 0.20 atm (since air is 20% O2).
Cl2(g) + F2(g) <===> 2 ClF(g) Kc = 19.9 For the reaction forming ClF the initial concentrations are as follows: [Cl2] = 0.5 M ; [F2] = 0.2 M ; [ClF] = 7.3 M Is the reaction at equilibrium? If
Explain why two layers formed when 3 M NaOH was added to the ether solution after the initial separation. What solvents do the two layers represent? Which solvent forms the upper layer? Why?
Identify the following compound from its IR and proton NMR spectra. C6H10O: NMR: ? 3.31 (3H, s); ? 2.41 (1H, s); ? 1.43 (6H, s) IR: 2110, 3300 cm-1 (sharp)
Chromic acid is a diprotic acid H2CrO4 with Ka1 = 0.18 and Ka2 = 3.2 x 10-7. A solution of potassium chromate is prepared at pH 5.43. Calculate the fraction of the total chromate in this solution th
Carbonic acid then ionizes in water (Ka1 = 4.5× 10-7). Ignoring Ka2, estimate K for the overall process by which CO2 and H2O form H and HCO3-.
Consider the following precipitation reaction 2 Na3(PO4)2(aq) + 3CuCl2(aq) ----> Cu3(PO4)2 (s) + 6 NaCl (aq). What volume of 0.168 M NaPO4 solution is necessary to completely react with 91.4 mL o
What is the name of the chemical formula Tl2Se. Does Tl have a +2 charge Tl (II)? Do all Roman numerals in chemistry have a positive charge
Addition of the permanganate solution to the unknown solution would colorimetrically indicate whether metal(III) is reduced to metal(II). If the unknown solution contained the metal(III) ion, the pu
A solution of Na3AsO4 is added dropwise to a solution that is 0.0643 M in Bi3+ and 0.000180 M in Cd2+. What concentration of AsO43- is necessary to begin precipitation
An electrical motor is used to operate a Carnot refrigerator with an interior temperature of 0.00 C. Liquid water at 0.00 C is placed into the refrigerator and transformed to ice at 0.00 C
A wedge-shaped tank is filled with water at a rate of 5.00 kg/s. The tank is 4.00 m long and 4.0 m tall, and the angle of the wedge is 90°. The wedge is oriented as pictured, with the point down
Calculate the kinetic energy in joules of a 1400kg automobile moving at 12m/s. Convert this energy to calories. What happens to this energy when the automobile brakes to a stop
Calculate the energy in kJ required to convert 2.11 mol of sodium metal at 25 degrees celsius to 2.11 mol of gaseous Na+ ions. (Ionization energy of Na (g) is 495.9 kJ/mol.
What is the ph of a solution that is the mixture of 0.008 M of NaOAc and 0.1 M HOAc? (Ka HOAc= 1.8 x 10^-5)
Element x reacts with Hydrogen gas at 200 deg celsius to form compound Y. When y is heated to a higher temperature, it decomposes to the element x and hydrogen gas in the ratio of 559ml of H2
K = 0.040 for the reaction below at 450 C. If the reaction starts with 0.20 M Cl2 and 0.20 M PCl3, what concentration of PCl5 will be present at equilibrium. PCl5(g) <====> PCl3(g) + Cl2(g) a)
Before the reaction began, the concentrations of the reactants were 0.060 M of SO2 and 0.050 M O2. After the equilibrium is reached, the concentration
how many mM of nitrogen atoms in 1g/L of (NH4)2SO4. molecular mass of (NH4)2SO4 is 132.14g/mol
A 1.07 g sample of sulfur was burned in a bomb calorimeter whose calorimeter constant is 2.03 kcal/°C. If the resulting temperature change was 1.17 °C, what is the molar heat of combustion f
The final temperature of the system is 27.3°C. The resulting 0.500 M NaCl (aq) has a density of 1.02 g/ml, and a specific heat of 4.02 J/g-deg. What is the value of ?H in kJ/mole or the reaction