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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.
How do storms, diseases, and predators affect coral reef communities? What are the similarities and differences in their effects?
The gaseous hydrocarbon acetylene, C2H2, is used in welders torches because of the large amount of heat released when acetylene.
Explain why the issue of Global warming effects on the ecosystem is a good topic to study.
Is it possible to calculate concentration of a solution, OH- concentration, and H+ concentration from just a pH given (no specific base or acid)?
Why are birds often selected indicator species? A. They react to change quickly. B. They're high on the typical chain.
A diprotic acid, H2A, has the following ionization constants: Ka1 = 1.1E-3 and Ka2 = 2.5E-6. In order to make up a buffer solution of pH 5.8.
Calculate the pH of the 0.20 M NH3 and 0.15 NH4Cl buffer. What is the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 57.5 mL of the buffer.
Corporations and sustainable businesses.As an aspiring applied anthropologist, I have opted to try and come up with a convincing theory
After determining the rate of occurrence, break the occurrences down into age groups, race, and sex.