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Describe in detail the functional groups and their purpose in relation to pH stability, spectrum of antibacterial activity, ß-lactamase stability, and metabolism in the structure shown below.
Why has fluorine been added? ( Iam unable to provide structure). The structure is Cephalosporin.
Calculate the deltaG in kJ for this reaction at 37 oC to the nearest tenth of kJ. Only include the numerical part of your answer, do not include units
A strong broad IR stretching band at about 3500 Cm-1 along with several narrow aromatic bands around 1600 and 1500 Cm-1 suggests the presence of what class compound?
2.00 x10^2 mL of .500 M HCl is mixed with 2.00 x 10^2 mL of .250 M Ba(OH)2. how many moles of water are produced in the reaction
Write molecular, complete ionic, and net ionic equations for the reactions that occur , if any, when solutions of the following substances are mixed
A sample of argon gas occupies a volume of 950 mL at 25.0°C. What volume will the gas occupy at 50.0°C if the pressure remains constant?
When pure carbon burns in air, 10.0 kg of carbon react with the oxygen in the air to form 36.7 kg of carbon dioxide. Calculate the percentage of oxygen contained in carbon dioxide.
A 25.0 mL bubble is realeased from a diver's air tank at a pressure of 4.00 atm and a temperature of 11 C. what is the volume of the bubble when it reaches the ocean surface where the pressure is 1.00 atm and the temperature is 18 C?
have a buffer solution composed of 4.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 2.20, what is the pH of the buffer?
State whether each of the following is a physical or a chemical property of copper. has good corrosion resistance high melting point doesn't react with water reacts with oxygen
buffer that has a pH of 9.80 and an osmotic pressure of 1.04atm at 298 K. What masses of HCN and NaCN should you use to prepare the buffer? mHCN, mNaCN =
Calculate the reaction Zn(s) + 2HCl(aq) ! ZnCl2(aq) + H2(g) What mass of ZnCl2 (MW = 136.3 g/mol) can be prepared from the reaction of 3.27 grams of zinc (MW = 65.38 g/mol) with 3.00 grams HCl (MW = 36.46)?
Calculate the number of kilograms of helium required to inflate a balloon with a volume of 100.000 L at a pression of 250 mmHg and atmospheric temperature of -35 ° C.
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