Condensed electron configurations
Write the condensed electron configurations for the Cr^3+ atom. Express your answer in condensed form in order of increasing orbital energy as a string without blank space between orbitals. For example, should be entered as [He]2s^22p^2.
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Calculate the concentration of CO (ppm) in the stack gas.
An Auto mechanic spills 91 mL of 2.3 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 1.5 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?
What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m? Show all of the work needed to solve this problem.
What is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid, HNO3 , in a solution with a total mass of 5.91 kg? Assume that the nitric acid is completely ionized.
How large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine? Although this depends on the size of the person and their respiration rate, according to NASA, an average person n
Using enthalpies of formation, calculate the quantity of heat produced when 3.80 g of butane is completely combusted in air under standard conditions.
1-buytyl bisulfate may serve as teh precursor to an ether and an alkene, as well as the desired 1-bromobutane. Provide the structures expected for the ether and the alkene that might be produced from 1-butyl bisulfate.
A graduated cylinder contains 18.5 of water. What is the new water level after 32.0 of silver metal with a density of 10.5 is submerged in the water?
How much energy (in kilojoules ) is required to convert 100 ml of water at its boiling point from liquid to vapor, and how does this compare with the result calculated in problem 8.50 for diethyl ether?
In a certain experiment, 4.90 g of NH3 reacts with 7.55 g of O2. with: 4 NH3 (g) +5 O2(g) -> 4NO(g) +6 H2O (g) How many grams of NO will be formed?
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