How many moles of ca2+ are in a 25.00 ml aliquot of the soln
a 0.5118 gram sample of CaCO3 is dissolved in 6 moles of HCL, and the resulting solution is diluted to 250.0 ml in a volumetric flask. How many moles of Ca2+ are in a 25.00 ml aliquot of the solution.
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A certain monoprotic weak acid with Ka = 6.8 × 10-7 can be used in various industrial processes, but is no longer used in chemistry teaching labs because it tends to explode when it gets old. (a) What is the [H+] for a 0.748 M aqueous soluti
A buffer solution is made by dissolving 0.45 moles of a weak acid (HA) and 0.33 moles of KOH into 800 mL of solution. What is the pH of this buffer? Ka = 5.9 × 10-6 for HA.
A 2 L bottle of a carbonated beverage (Coke) at 20 °C is placed in a cooler with 10 L of saturated liquid water and 30 kg of ice (both at 0.01 °C).
The forward-bias current in a GaAs pn-junction at T = 300 K is ID = 15 mA. The reverse-saturation current is IS = 10^-19 A. Determine the required forward-bias diode voltage.
Ethylene glycol, antifreeze, has a density of 1.11 g/cm^3. What is the mass, in grams, of 410 mL of ethylene glycol?
Calculate the temperature change in the water upon complete melting of the ice. Determine how much heat is absorbed by the melting ice and then use q =mC Delta T.
A venturi meter is inserted in a pipe whose diameter is 12 in. The diameter of the meter at its throat is 6 in. and the factor C1 for the meter is .980.
If it takes 526 J of energy to warm 7.40 grams of water by 17 degrees Celsius, how much energy would be needed to warm 7.40 grams of water by 55 degrees Celsius?
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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