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Explain as thoroughly as possible, because I seriously don't get ionizing very much When copper and silver nitrate oxidize/reduce, how does copper lose 2 electrons? Why not just one? Or three for that matter? Cu (s) + 2 Ag+ (aq) --> Cu^2+ (aq) +2 Ag (s)
Calculate expected final temperature for 25 grams of 70 C hot water melting 15 grams of 0 C ice. Repeat this calculation
Give an example of a biological reaction in which water participates as a reactant and a reaction in which it participates as a product.
Determine the expression for the rate of reaction with respect to each of the reactants and products.
A sample of gas has an initial volume of 2.8 L at a pressure of 755 mmHg. If the volume of the gas is increased to 3.7L, what will the pressure be
How many milliliters of 0.100 M NaOH solution are required to neutralize a solution containing 3.92 g H2SO4
What is the net charge at neutral pH of a tripeptide containing only alanine? How does the total number of negative and positive charges change following hydrolysis of the tripeptide
A buffer is made with 25mL of 1.0 M HC2H3O2 and 25mL of 1.0 M NaC2H3O2. Calculate the theoretical pH. I know the pH is 4.74.
At 0.0oC, if the volume of air is 2.9 mL and the pressure of the atmosphere that day is 675 mmHg, what is the number of moles of air?
Decide whether or not each of the following metals dissolves in 1M HCl. For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
How many moles of methane (CH4) gas are in 745 mL at 25.5C and 730 torr?
Enter the sign of H° and S° for the condensation for CO2. Enter the sign as either + or -. Also indicate the temperature conditions (high temperature or low temperature) that favor condensation of CO2
Write the element symbol and charge. How many unpaired electrons are there in the ground state of this ion
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