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Inside a calorimeter is 100 g of warer at 39.8 celcius. A 10 g object at 50 celcius is placed inside of a calorimeter. When equilibrium has been reached the new temperature of the water and metal object is 40 celcius. What type of medal is the object made of?
A bottle of 6 M acid has 34.3 mL remaining in it. If the acid is diluted to 770 mL, what is the new concentration of the acid.
Oxygen, O2, can acquire one or two electrons to give o2-(superoxide ion) or o2^2-(peroxide ion) write the electron configuration for the following in molecular orbital terms: 1. o2 2. o2- 3. o2^2- also compare the o2 molecule on a)magnetic charact..
Explain what is the fraction of association for the subsequent potassium propionate solutions. Ignore activities. The Ka of propanoic acid is 1.34 × 10-5.
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 325°C, 762.0 mmHg and contains only N2, O2, CO2, and H2O.
you are given a small bar of an unknown metal x. you find the density of the metal is 10.5 gcm3. another experiment
A glass vial contains 0.4% K by weight. The natural abundance of 40K, which decays by Beta- emission, is 0.117%, and its half-life is 1,248 E 9 yr. If the vial weighs 20g, Compute the rate of beta- production by the vial in dpm disintegrations per..
when m2s3 is heated in air it is converted to mo2. a 4.000g sample of m2s3 shows a decrease in mass of .277 g when it
1. what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane for example
question if the oxidizing agent gains 3 moles of electrons and the reducing agent loses 2 moles of electrons calculate
An unknown compound was decomposed as well as found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen and 2.05 mol carbon. Explain what is the empirical formula of the unknown compound
a compound has the empirical formula ch2o. when 0.0866 g is dissolved in 1.000 g of ether the solutions boiling point
What are the Bi and Bi+ quantum numbers of the electron removed when Bi is ionized to Bi+?
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