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Determine the sign of ?S sys and ?S surr for each chemical reaction.2CO(g)+O2 (g)?2CO2 (g)?H ° rxn = -566.0 kJ. Choose from:
Predict what will happen when each of these dilute solutions is tested for conductivity. Please explain to me why you made your predictions
What is the molecular formula of this compound?Identify the amine functional group in histamine.
Which half-reactions represent oxidation and which reduction? Explain your reasoning.
Pi bonding, temperature volume.Two flexible containers for gasses are the same temperature and pressure
Four compounds have the formula C4H8O, identify possible compounds.
State the type of bonding that is present in barium chloride,BaCl2(2 should be subscript- low down , can't do it in this program)
Given this similarity, explain why ice can be melted by applying pressure whereas diamond cannot.
What shape do you expect for molecules that meet the following descriptions?A central atom with two lone pairs and three bonds to other atoms.
Construct electron-dot diagrams for .oxygen difluoride ,phosphorus trichloride ,xenon difluoride,tetrachloroiodate ion, ICl4^-
What is a redox reaction? What is purpose for? Why analyze for Isub2? Why was I choosen? Because by itself?
Determining Hybridization and Molecular Shape.For each of the following covalent compounds deduce their molecular shape
What are the two types of layer arrangement in metals? Which has the closer packing?
Understanding covalent bonds, electrons, atoms, molecules.In forming a covalent bond, electrons are
Describe the bonding in Hydrogen Fluoride in terms of the MO theory. Demonstrate why it is polar.
Bonding in Co-Ordination chemistry.How is it possible that [Co(H2O)6]3+ will oxidize water but [Co(NH3)6]3+ is stable in aqueous solution?
The monomer that is polymerized to make natural rubber is?Which statement about polyethylene is false?
Explain the following, with suitable examples:Frontier orbitals.A 3-center 2e- bond.Tendency of P to form d pi -p pi bond
Explain why:Zeolites are used as shape selective reforming catalysts.
Write brief notes on any four of the following:Metal-organic vapor phase epitaxy.Berry's rotation.
How many protons and electrons are present in a Br- ion? 35 p, 35 e 80 p, 81 e 35 p, 34 e 35 p, 36 e 80 p, 34 e
Which of these aqueous solutions would you expect to be the best conductor of electricity at 25° C? Explain your answer?
The problem to solve is to formulate in which way two carbon atoms are described by using atomic orbitals.
Count the number of electron pairs around the central atom (both bonding pairs and unshared pairs).
Calculate the number of moles of aluminum in 96.7g of Al.The melting point of bromine is -7°C. What is this in °F?