Find freezing point of solution made by dissolving ethylene
What is the freezing point of a solution made by dissolving 352 g of ethylene glycol (C2H6O2) in 648 g of water? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m.
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Cheap ethanol, C2H5OH, manufactured from crude oil, can be used in fake wine instead of of ethanol derived from fermentation of grapes. this fake wine.
What is mass of O2 released? (0.2004g) How many moles of O2 were released? (.0063g) How many moles of KClO3 required by the moles of O2 released? (2 moles)
What is the total number of moles of aluminum oxide that can be formed when 54 grains of aluminum reacts completely with oxygen?
a sample of hydrogen effuses through a porous container about 9.00 times faster than an unknown gas. estimate the molar mass of the unknown gas.
Based on molecular structure, arrange the following sets of oxyacids in order of increasing acid strength.HClO3 ,HIO3 ,HBrO3. Explain.
Draw the molecular orbital diagram for O2. Assuming that the 2p molecular orbital is from the 2pz atomic orbitals and that the two 2p orbitals are from the 2px and 2py atomic orbitals.
when 50. grams of ethane gas is burned completely in oxygen. Carbon dioxide and water vapor are produce. How many mole of water vapor are produced?
A sample of nitrogen gas in a 4.7-L container at a temperature of 28°C exerts a pressure of 3.6 atm. Calculate the number of moles of gas in the sample.
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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.