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1.) what is the ground state electronic configuration for H2Se?
What is the electronic geometry.
What is the molecular geometry?
Is it polar?
2.) What is the ground state electronic configuration for SeO32-?
3.) What is the ground state electronic configuration for PF5?
You have a 10.40-g mixture of table sugar (C 12 H 22 O 11) and table salt (NaCl). When this mixture is dissolved in 150. g of water, the freezing point is found to be-2.24°C. Calculate the percent by mass of sugar in the original mixture.
Acetic Acid has a Ka of 1.8 X 10^-5 What is the pH of a buffer solution containing 0.17 M hC2H3O2 (acetic acid) and 0.18 M C2H3O2- Express answer using two decimal places.
Which of the following solids is a covalent network? 1. H2O(s) 2. CaCO3(s) 3. Ni(s) 4. SiO2(s)
Predict the product(s) if the following reaction: Cs+Br2. The equation is not necessarily balanced. Express your answer as a chemical formula
What concentration of CrO4-2 is needed to precipitate as much Ba+2 as possible without precipitating the Ca+2. (BaCrO4:Ksp=2.1x10^-10; CaCrO4:Ksp=7.1x10^-4)
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
what the effect does the bulkiness of the base have on the product composition in the E2 dehydrobromination of 2-bromoheptane
calculate the concentration of an naoh solution if 25.0ml of the solution is needed to neutralize 17.5ml of a 0.419m
How many grams of NaCl would be formed from 100 grams of Na2CO3 in the following reaction? Na2CO3 + 2 HCl ? 2 NaCl + CO2 + H2O
oxygen makes up 46.7 by mass of the earths crust. how many grams of oxygen are present if a sample of the earths crust
It takes 54.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0C to 25.0C}. What is the specific heat for the metal?
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