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What is chemical and physical properties and uses of acid halides and acid anhydrides
undergoes beta decay with a half life of 3.1 minutes. Assume you begin with 1.0 grams of the thallium isotope, what mass of the isotope will be left after 9.3 minutes have elapsed?
Choose the answer which gives the electron-domain geometry and molecular geometry which are both correct for TeF4.
What is the of 1.00 of the buffer solution that contains 0.100M HF and 0.120M NaF after 0.020M of HNO3 is added. The Ka of HF is 3.5 x 10^-4, and pKa = 3.46.
What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas
The CaCl2 is purchased in the hydrated form. it contains one mole of water for each mole of compound, NaCO3 * H2O, and had a formula weight of 124.01 g/mol.
What is the net ionic equation of the reaction of FeCl2 with NoOH ? Express your answer as a chemical equation.
While a 1.00 L flask containing 0.500 atm of gas A is joined with a 2.00 L flask containing 0.850 atm of gas B, as well the stopcock between the flasks is opened, also the gases are allowed to mix thoroughly, the following reaction proceeds at con..
A 500 mg sample containing NaCn required 23.50 ml of 0.1255 M AgNO3 to obtain a permanent faint turbidity. Express the result of this analysis as % CN ?
Important information about Organic Chemistry, The most reasonable formula for a compound demonstrating M+ =101 with a minor M+1 peak is
Explain why and calculate the difference between the delta S° values at 298 K for the complete dissociation of the two complex ions. (Hint: the value delta H is about the same for both systems.)
a gas has a volume of 800.0 ml at minus 23.00 degc and 300.0 torr. what would the volume of the gas be at 227.0 degc
A copper cube measuring 1.60 cm on edge and an aluminum cube measuring 1.61 cm on edge are both heated to 55.3 C and submerged in 100.0 mL of water at 22.1 C.
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