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Use the appropriate standard reduction potential to calculate the value of K at 25 C for the reaction. NiO2(s) + 2Cl-(aq) + 4H+(aq) --> Cl2(g) + Ni2+(aq) + 2H2O(l)
An acre-foot of water Covers an acre to a depth of exactly 1 ft. An acre is 4840 yd2. An acre- foot is enough water to supply two typical households for 1.00 yr. (a) If desalinated water costs $1950 per acre- foot, how much does desalinated water ..
Strong base is dissolved in 615 mL of 0.400 M weak acid (Ka = 4.50 × 10-5) to make a buffer with a pH of 3.95. Assume that the volume remains constant when the base is added.
Draw all products of the reactions of 4-Chloro-2-methylpentane with NaCN and AgCN. Identify the reaction mechanisms and draw resonance structures
Use the standard enthalpies of formation given below to calculate the enthalpy change for following reaction at 298.15 K and 1 atm. Label each as endothermic or exothermic.
Calculate the density of a cube of unknown mental which weighs 38g and has a side of length 4cm.
A gas has a volume of 590 mL at a temperature of -55.0C. What volume will the gas occupy at 30.0C.
Calcium chloride (CaCl2; very soluble) has been sold as a more effective de-icer than NaCl to spread on icy sidewalks. What would be the ionic strength of a solution
What is the redox number for nitrogen in a molecule of nitrogen dioxide
A gas bottle contains 0.650 mol of gas at 730 mm Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle.
What mass of CCl2F2 substance must evaporate in order to freeze 109 of water initially at 24 degrees celsius? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/gK .)
What is the animals inital radiation exposure in curies? b. If all of the energy from the emitted alpha particles is absorbed by the animal's tissues, and if the energy of each emission
N2 is .070 moles, O2 is 0.35 moles and CO2 is 0.20 moles, the total is pressure 1.55 atm what is the pressure of N2?
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