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1. What are some of the ways that the structure of molecules can be shown? 2. How does the number of electrons shared between atoms lead to differences in bonding? 3. Why is the octet rule important in determining molecular shape?
MgNH4PO4.6H2O loses H2O stepwise as it is heated. Between 40c and 60 the monohydrate is formed, and above 100 celcius the anhydrous material is formed.What are the phosphorus percentage of the monohydrate and of the anhydrate material?
Which SINGLE step in the chemical reaction described below will most greatly assist you in understanding and determining the overall rate of the reaction. why.
Place the following elements in order of decreasing atomic size: silicon, nitrogen, helium, potassium, magnesium, and carbon.
Aluminum has chemical propertied that are similar to magnesium. What observation might you expect with the addition of 6M HCl
Bearing in mind the Jahn-Teller theorem, rank the following compounds in terms of their degree of deviation from idealized octahedral structure: [Cr(CN)6]4-, [Cu(H2O)6]2+, and [Cr(OH2)6]3+. Explain your reasoning.
How many molecules of carbon dioxide are produced when 121 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water?
Write the complete stepwise mechanisms for reactions below. Show all intermediate structures and all electron flow with arrows.
Explain how a detergent enables an aqueous solution to become capable of dissolving non-polar chemicals (such as grease, oil, ink, etc)
The half life for the decay of radium is 1620 years. What is the rate constant for this first-order process
Dehydration of 2-methyl-2-pentanol forms one major and one minor organic product. Draw the structures, including hydrogen atoms
To what volume should you dilute 95mL of a 12.0M H2SO4 solution to obtain 1.80M H2SO4 solution
What is the energy of a violet photon with wavelength 4.0 x 10^-7 m?
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