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Write the balanced complete ionic equations and net ionic equations for the reactions that occur when each of the following solutions are mixed.(NH4)3PO4(aq) and CaCl2(aq)
What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The Ka of lactic acid is 1.4 × 10-4.
Doubling the concentrations of H2S while keeping the concentration of Cl2 constant results in the initital rate increasing by a factor of two.
Pressure of 0.923 atm is allowed to expand at constant temperature until its pressure reaches 0.377 atm. What is its final volume?
When 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water, the solution freezes at -2.16°C. What is the molecular weight of the unknown compound? Kf for water = 1.86°C/m.
Find out how much energy is needed to raise the temperature of 22.8 g of diethyl ether from -10.0 degree celsius to 142.0 degree celsius?
what are the possible sources of error when finding the density of a liquid and of a solid? what can be done to avoid these errors?
A rigid tank with a volume of 2.5 m3 contains 15 kg of saturated liquid-vapor mixture of water at 75 0C . The water is heated. Determine the temperature at which the liquid in the tank is completely vaporized.
Draw the Lewis structure of chlorous acid (HClO2). The result is that around Cl there are Fill in the Blank 01 (a number) bonding groups and Fill in the Blank 02 lone pair(s) of electrons.
Briefly discuss the importance of the principles of solubility and miscibility when choosing extraction solvents
A fossil was analyzed and determined to have a carbon-14 level that is 54.0 that of living organisms. How old is the fossil
Rank them in order of size from largest to smallest. In this diagram, A and B are different palindrome sequences on a DNA strand. Only the restriction enzyme that recognizes site B is present. Explain why only two fragments would be produced. How ..
Hypochlorite Oxidation of Cyclohexanol to Cyclohexanone, Basically in this experiment, we took some cyclohexanol and reacted it with hypochlorite to form cycohexanone.
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