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What is the total number of lone pairs on the central atom in the "correct" or "best" Lewis structure of the following compounds?
What is the electron group geometry of the central atom?
What is the molecular shape at the central atom for the following compounds?
a step by step answers for those Question please. Please be brief. What is the PH of a buffer prepared by combining 25mL of 0.1M nitrous acid with 25mL of 0.1M sodium nitrite?
How many joules of heat are lost by 3473 kg granite as it cools from 41.1°C to -13.1°C?
The presence of the radioactive gas radon (Rn) in well water obtained from aquifers that lie in rock deposits presents a possible health hazard in parts of the United States.
Use Slater's rules to calculate the shielding constant and effective nuclear charge for a 5s, 5p, and 4d electron in the tin atom. Which of these electron experience the lowest effective nuclear charge
An industrial wastewater contains 2000 mg/L of total Ammonia as N, 490 mg/L of total Ni and has no inorganic carbon. The PH = 2.8. Using the diagram calculate to what pH the waste must be adjusted to so that the total Ni concentration is 1 mg/L.
solution is needed to just neutralize excess acid after 20 mL of HCl was added to 1. g of the antacid, how many moles of acid can the antacid counteract per gram.
The density of air at ordinary atmospheric pressure and 25°C is 1.19 g/L. What is the mass, in kilograms, of the air in a room that measures 12.5 x 15.5 x 8 ft
Write both an equations using Lewis Structures and a balanced chemical equations for the following reactions: Silicon atoms and Chlorine molecules Lithium atoms and Bromine molecules Ethylene molecules
Acetylene gas, C2H2(g), is used in welding. (a) Write a balanced equation for the combustion of acetylene gas to CO2(g) and H2O(l). How much heat is produced in burning 1 mol of C2H2 under standard conditions if both\ reactants and products are bro..
if you dissolve the weighed mass of zinc in water which had not been deionized, how would the volume of EDTA required to reach the indicator end-point
Calculate the change in entropy (S) for reversible cooling 1 Mole of an ideal monatomic gas from 30 degrees C to 0 degrees C under:
Calculate the concentration of oxalic acid solution also show investigating a prepare a standard solution for volumetric analysis
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