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1a) The groups in the periodic table are numbered 1 through 18. What are the group numbers of the groups for which the atoms are all diamagnetic in their group electronic states.
b) Based on the relative positions of H,C,N,O,P AND S in the periodic table, which atom forms the most polar bond with H?1c)Write the ground-state electronic configuration for O2
A biochemist wants to utilize the following oligopeptide for biochemical assays. Estimate the number of charges on this peptide at different pH conditions by considering the charge states of amino acid residues at pH 2, pH 7.4 and pH 10.
A primary sedimentation tank has 140 mg/L of BOD in its effluent. The effluent flows into an activated sludge process at a rate of 4.8 MGD. The treatment must reduce the BOD by 125 mg/L so that it can meet an effluent requirement of 15 mg/L. How m..
If 145.0 mL of 0.350 M lithium hydroxide is required to titrate 35.0 mL of an unknown monoprotic acid, what is the molar concentration of the unknown acid.
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
What metal ions are involved in electron transport, and what is special about them that enable electrons to be shuttled among the various proteins
Calculate the pH of a solution made by mixing 2.0 M HF and 2.0 M HCN. Also calculate the concentration of CN- ion at equilibrium.
You have 50 mL of 0.010 fully protonated histidine. how many milimoles of base must be added to bring histidine solution to pH equivalent to the pI of histidine.
The density of citronellal, a mosquito repellant, is 1.45 g · L-1 at 365C and 50.0 kPa. What is the molar mass of citronellal?
its clay concentration and the CEC of the clay be able to estimate the draction of CEC due to organic matter in the sample
calculate the solubility of silver sulfate in water at 25 degree celcius, express answer in molarity; and how would the solubility of silver sulfate change
Explain the characteristics of a single, double, and triple bonds including why they form
6NO2+2H2O=4(HNO3)+2NO. For this equation, how many grams of nitrogen dioxide are needed to react with 3.70mol of H2O? How many grams of nitrogen monoxide are produced when 2.18mol of H2O react?
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