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Construct the lewis structure model for the covalent compound sulfur difluoride using the following steps.
1) The number of valence electrons is the sulfur atom is ____. The total number of valence electrons in the two flourine atoms is ____. Hence, the total number of valence electrons in SF2 is _____.
2) Arrange the atomic cores for the two flourine atoms with the sulfur atom as the central atom in the space below.
3) Rewrite the atomic cores in the space below. Place an electron pair between each flourine and sulur core.
4) Write the lewis structure for SF2 in the box, distributing the remaining valence electrons so that all three atoms are in accordance with the octect rule.
Assume that a particular reaction evolves 250 kj of heat and that 34 kj of PV work is gained by the system. What is the enthalpy?
Calculate: A) mL of NaOH needed to reach the equivalence point B) pH of the solution before the addition of any NaOH C) pH of the solution after the addition of 15.0 mL of NaOH
Considering Lewis structures, which of these compounds possesses a single unpaired electron?
Calculate the heat required (kJ) to convert 25.0 g of C2Cl3F3 from a liquid at 5*C to a gas at 82*C
Chemical Kinetics - Predict the rate law of a reaction based on the mechanism of the reaction - What is the overall reaction and Predict the rate law based on the mechanism.
synthesize 3-heptanone. Use proper reagents and justify your answer with proper arrow mechanisms
Calculate the mass of the protein that must be dissolved in 40 mL of water to obtain this concentration
sodium sulfate how many grams of solid ppt will be formed. How many grams of reactant in excess will remain. What is chemical equation
Consider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge. • a Fe electrode in 1.0 M FeCl2 solution
Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution
If 22 mL of 5.6 Molarity was spilled, what is the minimum mass of that must be added to the spill to neutralize the acid?
At high temperatures, ammonia can react with oxygen according to the following unbalanced reaction: NH3 + O2 ---> NO + H2O If 5.76 moles of NH3 react with 12.2 moles of oxygen
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