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What is the pH of 0.097 M of triethylammonium chloride (CH3CH2)3 NHCL?
List the following in order of increasing pH of their 0.1 M aqueous solutions (lowest to highest pH)
Over what range of pH is a HOCl - NaOCl buffer most effective?
Where Did Life First Evolve?Question: Describe the evidence that suggests that life first evolved on the sea floor near deep-sea vents.
Pure sulfuric acid can be used as a solvent. Write an equilibrium to represent the self-ionization reaction.
At which point is the actual growth rate of the population greatest?At which point is the actual growth rate negative?
In the lab experiment you carefully collect all of the gas formed and find that there is 425.6mL of gas. What is your percent yield?
Write a chemical equation for the following reactions: zinc sulphate + barium nitrate.
Commercial steric acid (C17H35COOH) contains palmatic acid (C15H31COOH) as an impurity. If a 1.115 gram sample of commerical steric acid is dissolved.
Using Ostwald process, what mass of nitric acid could be produced from 75.0 g of N2 and 50.0 g of H2?
One gram of NaCl and one gram of sand are added to 100mL of water. What is the solvent?
How many moles of chloride ions are in 250.0mL of a 0.450M calcium chloride solution?
If 500 mg/L lactic acid is added to pure water and you add NaOH until the pH = 3.1, what are the final amounts of each species in the acid equilibrium?
An aqueous solution contains dissolved C6H5NH3Cl and C6H5NH2. The concentration of C6H5NH2 is 0.50 and pH is 4.20.
Differentiate between: 1. Vulnerable and Non-vulnerable species 2. Functional and numerical responses of predators to chnage in prey density
What volumes of 0.50 M HNO2 and 0.50 M NaNO2 must be mixed to prepare 1 liter of solution buffered at Ph of 3.55?
What are the equations for these metals when mixed with 6 M HCl. Ca, Cu, Mg, Fe, Sn, and Zn. (I tried Ca + HCl and got 3 Ca + 6HCl --> 3CaCl2 + 3H2)
Into a 5.0 liter flask was placed 35.7 g of PCI5 . The flask and contents were heated to 250 0 C, and then held at temperature.
Discussion on Interspecific Competition.Name another type of interspecific competition besides exploitative and interference competition
The only possible ions in an aqueous solution are ion, barium, carbonate, chloride and nitrate.
When iron is oxidized in the presence of nitric acid, three products are formed: iron(III) oxide, nitrogen dioxide and water.
Explain the dynamics of population growth on the environment. Explain the concept of regulation of population growth through
A weak acid has a PKa of 7.713. Calculate the pH of a solution in which the ratio of the concentrations of undissociated acid to acid anion ([HA]/[A-]).
What is the importance of introducing wolves or other large predators into ecosystems? Is this a good idea? Why or why not?
Calculate the pH of a solution in which the ratio of the concentrations of acid anion to undissociated anion ([A-]/[HA]) equals 7.555.