What is the freezing point of an aqueous
What is the freezing point of an aqueous 2.65 m calcium chloride (CaCl2) solution? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m.
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At 340 K, Kp = 69 for the reaction H2(g) + I2(g) -> 2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
A balloon is partly inflated with 480 liters of helium at sea level where the atmospheric pressure is 996 mbar.The balloon ascends to a altitude of 3000 meters, where the pressure is 859 mbar. What is the volume of the helium in the balloon at th
The reaction CH3CH2NO2 + OH- → H2O + CH3CHNO2 - obeys the rate law d[A]/dt = -k[A][OH-], where A denotes CH3CH2NO2. It takes 0.5 min for one percent of the A to react at 25°C, in the case of a solution 0.002 M in A and 0.3 M i
Your company is considering expanding into the international markets. The Board of Directors has asked you create a 5-to-8-page report that defines and explains the various types of exposure the company could experience and the types of financial
An evaluation of R was performed, following the procedure. The barometric pressure was 736torr, the temperature was 295K, and the volume of hydrogen gas collected was 35.6mL. The calculated value of R was 82.1 atm K-1 mol-1. How many grams of magn
A sample consisting of 2.0 mol CO2 occupies a fixed volume of 15.0L at 300K. When it is supplied with 2.35 kJ of energy as heat its temperature increases to 341K. Assuming the CO2 is an ideal gas, calculate work, delta U and delta H (Cp=44.22 J/Km
The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of solution, delta H solution, of LiCl expressed in kJ per mole?
Identify at least three (3) risks and three (3) benefits of using the perpetual inventory management system. Discuss the main types of inventory errors that could occur using the perpetual inventory system, and the major impact to the balance shee
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.