Combustion of 100 grams of methane
For the reaction CH4+202 yields co2+2H2o, how many moles of carbon dioxide are produced from the combustion of 100 grams of methane?
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In one city, a balloon with a volume of 6.0 L is filled with air at 101 kPa pressure. The balloon in then taken to a second city at a much higher altitude. At this second city, atmospheric pressure is only 91 kPa. If the temperature is the same in
If the actual yield of iron is 650 g what is the percent yield? An iron ore sample contains Fe2O3 plus other impurities. What is the mass percent of Fe2O3 in the impure iron ore sample?
In the laboratory a student named Georgia weighed 5.95 g of an unknown solid mixture containing benzoic acid, copper (II) sulfate, and sand. She added 15 mL of acetone to her sample and dissolved one of the components of the mixture.
The bottom of a box has a surface area of 25.0 cm2. The mass of the box is 34.0 kilograms. Acceleration due to gravity at sea level is 9.80 m/s2. What pressure is exerted by the box where it rests?
A 0.692 g sample of glucose, C6H12O6, is burned in a constant volume, bomb calorimeter. The temperature change is measured at 1.80 degrees C. The calorimeter contains 1.05 kg and the "dry" calorimeter has a heat capacity of 650. J/ degrees C. Calc
The rate constant at 25°C is 2.4 10-21 L/mol·s. If 0.0200 mol of HI(g) is placed in a 1.0 L container, how long will it take for the concentration of HI to reach 0.0085?
Use the Nutritional information on the food bag to calculate the calories per gram? How does this information compare to your information? How do you explain the discrepancy? How could you do the experiment differently to get a more accurate value?
Suppose that at a certain instant the volume is 200 ccs, the pressure is 80 kPa, and the pressure is increasing at a rate of 28 kPa/min. At what rate is the volume decreasing at this instant?
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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