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A patient is to receive 2 million units of penicillin G potassium per day, every 6 hours in IV piggyback doses. The medication is available in vials of 1 million units/50mL, and each dose needs to be mixed in 50mL of D5W. How many mL will the nurse draw up for each IV piggyback does?
Please show each step and explain your answer.
For the subsequent reactions, look up the delta Hf values to compute delta H rxn and S values to evaluate delta S system and hence compute delta S universe at 298 K.
100 ml of 1 M acetic acid (pKa 4.76) are placed in a flask. The following volumes of 1 M KOH are added, and the total volume is adjusted to one liter with water.
Indicate whether or not each of the following compounds is soluble in water. If the compound is soluble, what ions are produced a. PbI2 b. Li2SO4 c. Fe(NO3)3
A 3 g sample of C8H16O is burned completely in excess oxygen to yield CO2(g) and H2O(l) at 25 C, releasing 117.83 kJ of energy. What is the enthalpy of formation of C8H16O?
A 1.724 M solution of a compound in water has a density of 1.281 g/mL at 20°C. The compound has a molar mass of 62.30 g/mol.
A 35.2ml, 1.66M KMnO4 solution is mixed with 16.7ml of .892M KMnO4 solution. Calculate the concentration of the final solution
A particular voltaic cell operates on the reaction below, giving an emf of 0.865 V. Compute the maximum electrical work generated when 18.0 g of zinc metal is consumed.
Propose a mechanism for the addition of bromine and water to cyclopentene. Be sure to show how the trans product results
what is the frequency of light needed to eject electrons from a metal is called the threshold frequency nu0. find the
You dissolve 261 mmol of sodium bicarbonate into a total volume of 1.2 L. What is the molarity of sodium bicarbonate in this solution?
Problem- Provide the structure of the major organic product that results when 4-methlhexanal is heated in base and undergoes an aldol addition followed by dehydration
A steel is heated until 85% austenite, with a carbon content of 1.05%, forms. Estimate the temperature and the overall carbon content of the steel.
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