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He weighs 44lb, and the daily dose of amoxicillin for the treatment of the ear infection is 30mg/kg per day in divided doses every 12 hours. Determine the patient's body temperature in Fahrenheit.
The calorimeter constant is 45.0kJ/K. when 34.0g of NH3 are reacted in the calorimeter, the temp rises by 10 degrees C. What is the change in energy, delta E, for the rxn?
Provide proper IUPAC names. Draw structure of strongest acid in the table provided. Give Products. Show relevant stereochemistry.
55 gallon drum weighs 75.0 lb. when empty. What will it weigh when it is filled with ethanol, which has a density of 0.789 g/mL? (1 gal=3.78L, 1 lb.= 454g)
Two liquids form a solution and release a quantity of heat. How does the pressure above the solution compare to that predicted by Raoult's law? Show all works.
An electric power station annually burns 3.3 107 kg of coal containing 1.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP
Its Dutch supplier sends the fabric in bolts of exactly 200 m2. What is the maximum number of chairs that can be upholstered by 3 bolts of fabric (1 m = 3.281 ft)?
If 18.6 of 0.800 solution are needed to neutralize 5.00 of a household ammonia solution, what is the molar concentration of the ammonia?
Discuss at least three potentially hazardous features associated with concentrated sulfuric acid.
A volume of 18.0 L contains a mixture of 0.250 mols N2 , 0.250 mols O2 , and an unknown quantity of He. The temperature of the mixture is 0 degrees C , and the total pressure is 1.00 atm. How many g
The specific heat of fat is 0.45 , and the density of fat is 0.94 . How much energy (in calories) is needed to heat 19 of fat from room temperature (25 ) to its melting point (35 )?
Tincture of iodine is I2(s) dissolved in ethanol, C2H2OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000g of solution. How many grams of solvent are present in 1000g of this solutio
Based on the law of multiple proportions, how many grams of hydrogen would you expect 2.49 of nitrogen to combine with to yield ammonia?To yield hydrazine?
Calculate the volume in mL of a 1.420 M NaOH solution required to titrate the following solutions. 40.00 mL of a 2.430 M HCl solution
At room temperature (20 degrees celsius), milk turns sour in about 63 hours. In a refrigerator at 3 degrees celsius, milk can be stored three times as long before it sours. (a) Estimate the activati
In a hydrogen atom the 2s and 2p orbitals have the same energy. However, in a boron atom, the 2s electrons have a lower energy than the 2p. Explain this in terms of the shape of the orbitals.
If you have 200.0 g of radioisotope with a half-life of 5 days. How much isotope would remain after 15 days?
Determine the empirical formula of a 4.58g sample that contains 2 g of phosphorus with the balance of the mass being oxygen
calculate the volume of hydrogen produced at 1.50 atm and 19 degress celsius by the reaction of 26.5 g of zince with excess hydrochloric acid according to the balanced equation
A chemist burns 160 g of aluminum in oxygen to produce aluminum oxide. She produces 260 g of aluminum oxide. Write a balanced equation and calculate the theoretical yield and percent yield.
Why is the production of sodium azide and nitrogen gas in an airbag so rapid compared to the production of sodium bicarbonate and acetic acid?
A stock solution of perchloric acid is 70.5% by mass HClO4 and 29.5% by mass water. The density of the solution is 1.67 g·mL-1 at 20 C. Calculate the molarity of the solution.
Express your answer in terms of the initial temperature of water, T. I got T = T (final - 2.6) but the possible answers given don't make sense
Silver nitrate reacts with ferric chloride to give silver chloride a ferric nitrate. In a particular expriment, it was planned to mix a solution containing 25.0 g of silver nitrate with another solu
How much energy is required to heat an iron nail with a mass of 7g from 25 degrees celcius until it becomes red hot at 750 degrees celcius?