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Explain what is the pH of a buffer solution that is 0.34 M in Na2HPO4 and 0.46 M in KH2PO4? Ka1 = 7.1E-3, Ka2 = 6.3E-8, and Ka3 = 4.5E-13.
Carbon disulfide and chlorine will react according to the equation below. Which of these is the limiting reactant if 8.4 g of CS2 and 8.4 g of Cl2 are mixed
calculate the mass in grams of carbon dioxide that will be produced when 25.0 g of ethanol is
lightning from thunderstorms strike the earth 100 times each second. 2400 deaths have been caused bylightning strikes
Propane (C3H8) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation for this reaction is C3H8 + 5 O2 ® 4 H2O + 3 CO2. What volume of carbon dioxide is produced when 2.8 L of oxygen are consumed?
A sodium chloride crystal in a beaker. As water is added the salt dissolves into positive sodium ions and negative chloride ions. Hydration refers to the final state of this process such that the water molecules tend to orient around the ions.
The washer has an outer diameter D = 45.0 mm, an inner diameter d = 9.0 mm, and a thickness h = 3.0 mm. Copper has density of 8.96 g/cm^3. What is the total volume of copper coating (in mm^3, 1cm^3 = 1000mm^3)
Which of the following ideal aqueous solutions would be predicted to have the highest vapor pressure. 2.00 m MgBr2
An emerald gemstone is an impure form of the mineral beryl, Be3Al2Si16O18. What is the percentage of silicon in the mineral
Cyanogen is a gas which contains 46.2 % C and 53.8 % N by mass. At a temperature of 25oC and a pressure of 750 mmHg, 1.50 g of cyanogen occupies 0.714 L.
Is copper complex of tetraphenylporphyrin(TPP) more polar or less polar than tetraphenylporphyrin(TPP) itself?
nitric acid will give a better yield than acetic acid because with acetic acid some material is converted into benzaldehyde by cleavage of the bond between two oxidized carbon atoms that is activated by both phenyl groups. Any help would be apprec..
ch3br aq oh- aq -gt ch3oh aq br- aq . the reaction is first order in each reactant. a write the rate law. b how does
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