Formic acid to make a solution
What weight of solid sodium formate must be added to 100 mL of 0.770 M formic acid to make a solution with a pH of 3.70? Ka for formic acid = 1.8 x 10-4 .
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What is the minimum volume of 2.65mol/L HCl(aq) required to dissolve 16.1g Mn metal? The atomic weight of Mn is 54.94g/mol. The chemical equation is Mn(s) + 2HCl(aq) + H2(g).
A 5v belt drive system operates an input speed of 1250 RPM at the small sheave. The driving sheave has a pitch diameter of 6.000 in, and the driven sheave has a pitch diameter of 19.000 in.
How many moles of potassium carbonate will be produced if 400.0 g of potassium hydrogen carbonate are heated?
A tank contains a mixture of 3.0 mol N2, 2.0 mol O2, and 1.0 mol CO2 at 25 degrees celsius and a total pressure of 10.0 atm. Calculate the partial pressure (in torr) of each gas in the mixture.
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 2.00×10-2 . The diluted solution is then placed in a spray bottle for application on the desired surfaces.
The reference value of E0 for Cu(II)/Cu(s) for the role that copper plays in this overall cell reaction, determine the value of the standard potential for the half-reaction Zn2+(aq) + 2e- -> Zn(s)
What volume of a concentrated {rm HCl} solution, which is 36.0% {rm HCl} by mass and has a density of 1.179 {rm g}/{rm mL}, should be used to make 5.20 L of an {rm HCl} solution with a {rm pH} of 1.5?
A single standrad number number 0.40 chain and sprocket system is designed with an input speed of 700 RPM and an input power of 6.325 HP
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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