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Give the hybridization of the indicated atom in the following: (hint- first draw the Lewis structure for each)
a. Carbon in OCCl2
b. N in ONOH
c. The middle Carbon in CH3CCF
How many joules of energy are necessary to heat the steam from 100.0 degrees Celsius to 114.0 degrees Celsius if the specific heat of steam is 2.01J/g degrees Celsius? Write your answer in 3 significant digits.
When a particular metal is illuminated with photons, one electron is observed for each absorbed photon. What effect would decreasing the wavelength and number of photons, have on the electrons leaving the surface?
Inspection of an IR spectrum rarely reveals the identity of the compound. However, one can often identify what?
At constant volume the temperature of 2.0atm was 325K. The temperature is increased to 400K. What is the new pressure of the gas?
State the composition and the properties of the ketohexose derived from fruit jam. Describe the manner in which ketohexose acts as a reducing sugar in the test.
Combine 15.0 mL of 0.125 M chromium (III) nitrate and 15.0 mL of 0.125 M ammonium carbonate. What is the limiting reactant
Write the net ionic equation for the interaction of an ion with water. Explain why the salt solution is acidic, basic or neutral? NaC2H3O2 Na+ + H2O -> and C2H3O2 + H2O ->
if the titrant has a molarity of 0.2000 m and there are 50.00 ml of analyte present what is the molarity of the
The specific heat capacity of liquid water is 4.18 J/g-K. How many joules of heat are needed to raise the temperature of 6.00 g of water from 20.0 °C to 44.1 °C
What are the oxidation numbers of the central metal atom in the following coordination compounds: K3[Fe(CN)6], [Cr(NH3)4Br2]Br, [Ni(H20)6]Cl2, Na2[TaF7]
You have 500.0 mL of a buffer solution containing 0.30 M ammonia (NH3) and 0.20 M ammonium chloride (NH4Cl). What will the pH of this solution be after the addition of 20.0 mL of 1.00 M HCl solution? [Kb = 1.8 x 10-5]
estimate the osmotic pressure of human blood at 37degc. assume blood is isotonic with a 0.16 m nacl solution and assume
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