What mass of ethanol, c2h5oh a nonelectrolyte must added
What mass of ethanol, C2H5OH a nonelectrolyte, must be added to 10.0 L of water to give a solution that freezes at -10.0C? Assume the density of water is 1.0 g/mL. Kf of water is 1.86C/m.
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When 31 g of phosphorus reacts with oxygen gas, 71 g of an oxide of phosphorus is the product. What mass of oxygen gas is needed to produce 13 g of this product? (2 significant figures).
Write four balanced equations for the reactions to separate and recover m-nitroanilin, benzoic acid, and naphthalene. Write out the full structures.
A 260-{rm mL} flask contains pure helium at a pressure of 759 {rm torr}. A second flask with a volume of 470 {rm mL} contains pure argon at a pressure of 725 {rm torr}.If the two flasks are connected through a stopcock and the stopcock is opened,
To produce 856 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 27°C and 760 mmHg? (the mole fraction of nitrogen gas in air is 0.781)
At a particular temperature, N2O5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration of N2O5 is 1.0 × 1016 molecules/cm3, what will be the concentration in molecules/cm3 after 11.3 s?
The hot combustion product gas passes through a boiler in which heat transferred from the gas converts boiler feedwater into steam. Calculate the concentration of CO (ppm) in the stack gas on a dry basis. Use extent of reaction species balance to s
Consider a gas at 1.00 atm in a 5.00 L container at 20 degrees celsius. What pressure does the gas exert when transferred to a volume of 2.77 L at 43 degrees celsius?
If, in a certain experiment, over a specific time period, 0.0048 mol PH3 is consumed in a 2.0-L container each second of reaction, what are the rates of production of P4 and H2 in this experiment?
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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