Calculate the volume of the gas sample
A sample of gas is confined to a cylinder housed with a movable piston. The gas occupies a volume of 1.8 L at 1.8 atm and 25°C. Calculate the volume of the gas sample if the pressure is increased to 8.6 atm at constant temperature.
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Consider the trioxane equilibria illustrated below (trioxane itself is a hypnotic agent used therapeutically). Use PC Model to compute the 298 K heats of formation of the monomers and the trioxanes in kJ mol1.
Ammonia and hydrazine are both compounds of nitrogen and hydrogen.Based on the law of multiple proportions, how many grams of hydrogen would you expect 3.47 of nitrogen to combine with to yield ammonia?
you purchase a cup of coffee, but, at 98.4 degrees C, it is too hot. You add 45.5 g of ice that is -2.2 degrees C to the 248ml of coffee. What is the final temperature of the coffee? (assume the heat capacity and density of the coffee are the same
If the pressure increases to 800. torr, how many moles of gas were added to the container? Assume a constant-volume container.
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Calculate the moles of aluminum ions present in 250.0 g aluminum oxide. Acetaminophen, a common aspirin substitute, has the formula C8H9NO2.
What volume of a concentrated solution, which is 36.0% by mass and has a density of 1.179 , should be used to make 5.00 of an solution with a of 1.5?
Explain the order of elution you observed while performing the gas chromatography for this experiment. What property of the product molecules seems to be the most important in determining the relative retention times?
What must the heat rating of the heater, in kJ/min, to accomplish this? Ignore the heat that goes to the heat cup itself. The density of water is 0.997 g/ml.
What is the final pressure in the container if 625 mL of helium gas at 105 mm Hg is compressed to 245 mL? Assume the temperature and the amount of gas are held constant.
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In no more than three (3) sentences, determine the type of innovation represented in each case.
You are task to create a 'character sheet' for an imaginary (or real) business owner. The details should includes description of the business your character
1. Make a unique Business Name/Title for my business. 2. Make a short description of my business. 3. Make a Vision Mission statement for my proposed business.
In your own words, what is a market? How can market research help an entrepreneur identify a market?
Discuss how some of your favorite companies got their starts. Select 5 companies that you're interested in and present how those companies received
Describe your entrepreneur. Why did they get involved in this industry/sector? Which type of innovation has your entrepreneur pursued?
If so, how can you determine this? What is other marketing communications related to a search to appear on the page?