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What is the balanced net ionic equation for the reaction of sodium oxalate with potassium permanganate?
Na2 C2 O4 + KMn 04 -> ?
Calculate the overall energy changes (in kJ/mol) for the formation of MgF and MgF2 from their elements. The lattice energy for MgF2 is + 2952 kJ/mol.
What is the ratio of the number of molecules having twice the most probable speed to the number having the most probable speed
Calculate the concentration of malonate ion (C3H2O4 2-) in a 0.200 M solution of malonic acid (C3H4O4). The malonic acid, Ka1 = 1.4 x10^(-3), Ka2 = 2.0 x 10^(-6)
Determine the mass percent of CH3COOH in this solution if density of vinegar is 1.01 g/mL? Also calculate mole fraction of acetic acid in this solution and molality of this solution?
You need to make a diluted solution of HCl. Your concnetrated acid is 12M. How many L of the 12M HCL will you need to make 0.76 L of a 1 M HCL solution? Your answer must inlcude units
if a solution of 0.1 m of glucose 6- phosphate is incubated with catalytic amount of phosphoglucomutsa the glucose 1 -
How would I draw a structure consisting of SiO4 units arranged in a chain with each unit sharing two of its oxygen atoms with neighboring SiO4 units. What is this silicate structure named
What is the thickness of the foil. the question asks for the thickness of foil in millimeters and also tells that the density is 2.699 g/cm^3.
hydrogen gas is produced when zinc reacts with sulfuric acid.zns h2so4aq rarr znso4aq h2gif 147 ml of wet h2 is
A lungful of air (500 mL) contains 4.1% CO2 by volume. How many grams of KO2(s) is needed to remove the CO2 from a lungful of air at STP according to the following reaction?
a hydrocarbon is a compound that contains mostly carbon and hydrogen. calculate the percent composition by mass of the
Determine the oxidation number for the indicated element in each of the following substances.
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