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Define the nickle II ion concentration in the voltaic cell under standard conditions if the cell potential is 0.34 V at 25 degrees Celsius Zn(s) Zn2+(1.00 M) Ni2+ (aq) Ni(s)?
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.61 nm. It then gives off a photon having a wavelength of 950 nm. What is the final state of the hydrogen atom
He is heated until the pressure reaches 3.50 atm. What is the final temperature in degrees Celsius
Why doesnt the formation of the grignard reagent start immediately upon the addition of 1-bromobutane to the magnesium turnings
The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100°C.
In a thermite reaction, powdered aluminum reacts with iron (III) oxide to make aluminum oxide and molten iron What mass of aluminum oxide is produced when 2.3 grams of aluminum reacts with iron (III) oxide
The half life of Iodine-131 is 8.0252 days. If 14.2 grams of I-131 is released in Japan and takes 31.8 days to travel across the Pacific
A mixture of ethyl iodide (C2H5I, bp 72.3 degree Centigrade) and water boils at 63.7 degree centigrade. What weight of ehtyl iodide would be carried over by 1gm of steam during steam distillation
What is the percent yield for iron if the reaction of 65.0 of iron(III) oxide produces 45.0 of iron if Iron(III) oxide reacts with carbon monoxide to produce iron and carbon dioxide.?
The equilibrium constant for H2(g)+I2(g)->2HI at 40 oC is 20. The vapor [pressure of solid iodine at 40 oC is 0.1 bar. 12.7 g of solid iodine is placed in a 10 L vessel. What is the minimum amount of hydrogen that must be placed in the bulb to rem..
Find the mass of urea needed to prepare 49.5 of a solution in water in which the mole fraction of urea is 7.51×10?2
The total surface area of the earth consisting of forest, cultivated land, grassland, and desert is 1.49 x 108 km2 . Every year, the mass of carbon fixed by photosynthesis by vegetation covering this land surface according to the reaction 6CO2
a calorimeter consists of metal parts with a heat capacity of 850.0 j k-1 and 1100 g of oil with a specific heat of
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