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1. Structure of cyclic trimetasilicate ion?
2. Structure and bonding inXeF4.
3. Why has CD4 slightly lower boiling point than CH4?
4.Explain why O-O bond in O2F2 is much shorter than that in H2O2 while the O-F bond O2F2 are considdarable longer than those in OF2?
An experiment is performed to determine the density of a metal. When a 35.1 g piece of the metal is placed in a graduated cylinder containing 32.8 mL of water, the volume increases to 39.2 mL. What is the density of the metal
Explain in gory detail the relationship between temperature and vapor pressure. Lots of pictures might be helpful. Why does water expand when it freezes?
Calculate the total amplitude of the normalized bonding and antibonding that form from the two H1s orbital at a separation of 200 pm.
a 100-rm w lightbulb is placed in a cylinder equipped with a moveable piston. the lightbulb is turned on for
A 1.630 g sample of naphthalene, C10H8(s), is completely burned in a bomb calorimeter assembly and a temperature increase of 8.44°C is noted.
He is heated until the pressure reaches 3.50 atm. What is the final temperature in degrees Celsius
As a demonstration, an instructor had a block of ice suspended between two chairs. She then hung a wire over the block of ice, with weights attached to the ends of the wire.
The element of area in two-dimensional Cartesian coordinates is dxdy ; a and b are constants. b. Normalize the wave function e^(-2r /b )
ethanol reacts with tosylate/nucleophile and the following: Hydroxide, cyanide, bromide, sodium propoxide and ammonia. What are the products from each
When NEM is added to a solution of creatine kinase, Cys 278 is alkylated, but no other Cys residues in the protein are modified. What can you infer about the role of the Cys 278 residue based on this information
How much heat is required to warm 215 g of ice from -44.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Seawater has a density of 1.025 g/mL. If seawater is about 1.45% Cl by mass, how much 0.100M silver nitrate is needed to titrate a 5.00 mL sample
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