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Which of the following refers to the ground-state electron configuration of an atom? Q options: 1s12s1 [Kr]5p1 [Ne]3s13p2 [Ar]4s23d6. Which central atom has sp2 hybridization? Q options: H2O PH3 SO2 NH3 Save Q Which set of quantum numbers (n, l, ml, ms) represents the outermost electron in the gaseous aluminum atom? Q: 2,1,0,+1/2 2,1,-1,+1/2 3,1,-1,+1/2 3,0,0,+1/2. What type of orbital is used to form the pi-bond in C2H4: H2C=CH2 Question 12 options: sp3 sp2 sp p
This is question is about the Purification Via Chromatography lab: 1.) Briefly discuss the interactions involved in a TLC plate (silica gell and solvent system; adsorption versus solubility). How does variation in polarity of a solvent system affe..
It was determined in an experiment that a balloon filled with O2 gas with mass 32.0g in a 1.0 dm^3 volume exerts 21.6 atm of pressure at 0 degrees Celsius. Does Oxygen act like a perfect gas
Ca(OH)2 (aq) was prepared) wasn't truely saturated (it was unsaturated) how would this affect the calculated value of the Ksp?
Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6COOH is 5.0×10?2 M.
A certain temperature and pressure 2.1 L of Cl2 reacts with 4.2 L of O2. If all the Cl2 and O2 are consumed, what volume of ClO2, at the same temperature and pressure, will be produced
2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?Assume that no heat is lost to the surr..
according to these wavelenghth differences between lines in the balmer series become smaller as n becomes larger, at what wavelenghth in nanometers do the lines converge.
10.1 g cao is dropped into a styrofoam coffee cup containing 157 g h2o at 18.0degc. if the following reaction occurs
How much heat is needed to warm 45.6 grams water from 23.0° C to 40.0 °C?
What is the percent-yield of H2 in the reaction below when an equimolar mixture of CH4 and CO2 with an initial total pressure of 20.0 atm reaches equilibrium at 1200. K, at which Kp = 3.548 x 106
If 15 mL of a 1 M HCl solution is mixed with 25 mL of a .250 M NaOH solution in a process that produces 273 mg of NaCl, what is the percent yield
A certain solid metallic element has a density 7.87 g/cm3 and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. calculate the number of atoms per unit cell.
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