1. Give the number of electrons, Protons and neutrons in 24NA (small 24 to the top) 2. Give the electron configuration of the following A: A1 B: F- (- is at the top) 3. Give a set of four quantum mumbers that describe the last electron to be placed in the electron configuration of the followinf atoms. A: Ar B: Rb C ...continues
Problem set concerning valences
1 For each of the molecules listed below give the following information for the underlined atom. 1. Valence bond hybrid orbital 2. Shap of the structural pairs (valence bonding orbitals) 3. Shape of the molecule A. H2O 1 2 3 B: SiH4 1 2 3 C: CH2O 1 2 3 2 Concentrated phosphoric acid (H3PO4) solution is ...continues
(See attached file for full problem description)
State whether each of the following statements is true or false: A A mole of H2O weighs the same as a mole of SO2 B C2H6 is a saturated organic compound. C There is more than one compound with the formula C5H12. D In chemical reactions the total number of moles of pr ...continues
Saturated, Unsaturated and Impossible Formulas
Giving reasons for your answers, indicate whether each of the following formulas is saturated, unsaturated, or impossible to exist. A. C2H5 B. C4H10 C. C3H12 D. C2H2 E. CH2
FeCl2 vs KCl and Empirical Formula
Explain why a 1m solution of the compound FeCl2 in water has a lower freezing temperature than a 1m solution of KCl in water and what is the empirical formula of a compound that is 21.96% S (sulfur) and 78.04% F by weight?
Moles & CO2 and N2 & 3H2 reactions & Matter
A. Considering 3.00 moles of CO2: What is its weight in grams? How many molecules are there. B. Considering the reaction: N2(g) + 3H2(g) → 2NH3(g) Explain why this reaction is spontaneous even though it results in matter being less dispersed
A. Determine the value and sign of H for the following reaction: 2F-F + O=O --> 2F-O-F B. The ∆H of combustion of CH4 is 882kJ/mol. How many kJ of heat are produced when 995.0 grams of CH4 is combusted? C. How many joules are required to heat 108 grams of Al from 25.0oC to 6 ...continues
Identify each of the following reactions as addition, elimination, substitution, or rearrangement
Identify each of the following reactions as addition, elimination, substitution, or rearrangement. See attached file for full problem description.
Consider the following reaction energy diagram
Consider the following reaction energy diagram. See attached file for full problem description.
