How many mole of water vapor are produced
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?
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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.
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.
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.
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.
A perfect percent yield would be 100%. For each reaction, comment on your degree of accuracy and suggest possible sources of measurement error. How could these errors be reduced in the future?
A 4.10 g nugget of pure gold absorbed 278 J of heat. What was the final temperature of the gold if the initial temperature was 25.0°C? The specific heat of gold is 0.129 J/(g·°C).
A researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in treatment 2. Briefly explain how the difference simply may be sampling error.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult