Determine molar concentration of the ammonia
If 18.4 mL of 0.800 M~rm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
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The rate constant for the reaction at 30oC is 0.120 L*mol-1*s-1. How long does it take an initial concentration of 0.150 mol/L to reduce to one-quarter the initial concentration?
A gaseous mixture of and contains 36.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 ?
The mixture of hot iron and aluminum is then dropped into 96.0 g of water at 20.7°C. Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.
A student reported the following % for his unknown mixture: 25% NH4Cl, 30% NaCl, and 50% SiO2. Assuming that the calculations were done correctly, explain the students error.
With this, and assuming a space crew of five, how much LiOH must be taken in a seven day mission? Take into consideration a safety factor of 200%.
Calculate the pH at the equivalence point for the titration of a solution containing 1250.0 mg of hilariamine (MW = 104.75 g/mol, Kb = 7.1×10-4) with 0.1000MHCl solution.
What volume and mass of steam at 100 degrees C and 1.00 atm would, during condensation, release the same amount of heat as 100.cm^3 of liquid water during freezing? What do you note, qualitatively, about the relative volumes and masses of steam an
A sample of H½O with a mass of 46.0 grams has a temperature of -58.0 àC. How many joules of energy are necessary to melt 46.0 grams of ice? (Use 2.1 J/gàC for the specific heat of ice,
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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