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The half-life of the zero order reaction A → B is 0.56 minutes. If the initial concentration of A is 3.4 M, what is the rate constant in M/s? (Note: do not include units in your answer, do not use scientific notation, present your answer to 2 significant figures.)
What is referred to by the spontaneous breakdown of an atomic nucleus that results in energy release and matter from the nucleus?
If 20.0 g acetylene is allowed to completely react with oxygen , how many g of O2 are reacted? 2C2H2 + 5O2→ 4CO2 + 2H2O
Calculate DG for the reaction CS2 +3 CL2 -> S2CL2 + CCL4 given DH =-231.1 kJ and DS= -287.6 J/k - The answer is -145.3 Kj please show work as to how they got this answer.
Fluoridated water has resulted in a dramatic decrease in the number of cavities among children. Calculate the solubility of Ca5(PO4)3F in water. 3.1 10-5 g/L 2.2 10-7 g/L 6.1 10-6 g/L 1.1 10-4 g/L
A gas mixture containing methane and n-butane enters an absorber tower at 20°C and a flowrate of 125 m 3 /h. The partial pressures at these conditions are 105 kPa for methane and 580 kPa for n-butane
According to the Balmer-Rydberg equation, transitions from n= 5 to m= 2 result in a photons of light that give rise to a spectral line with what color
Problem- Why is it important to have methods like Gabriel synthesis, reduction of nitriles, reduction of amides and reductive amination to make specific primary, secondary and tertiary amines; that is why can't we just use Sn2 reactions to make th..
1for the reaction of c2h4g with o2g to form co2g and h2og what number of grams of co2 could be produced from 2.0 g of
How many neighboring hydrogen atoms must the CH2 group (at 2.65 ppm H NMR ) of propyl amine see in order to have its signal split into a triplet
A student mistakenly added concentrated (12M) HCl to a sample of unknown, instead of adding 6M hcl as directed. (1) at first, a large amount of light-colored precipitate formed
You need 1.00 L of .125M sulfuric acid solution. Describe how you would prepare this solution from a supply of 6.00 M H2SO4 solution, distilled water, and a 1-L volumetric flask.
What molar ratio of sodium acetate to acetic acid (NaAc/HAc) should be used in preparing a buffer having a pH of 4.35? (Ka = 1.8×10-5 for acetic acid.)
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