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What is the correct net ionic equation, including all coefficients, charges, and phases, for the following set of reactants? Assume that the contribution of protons from H2SO4 is near 100%Ba(OH)2(aq)+H2SO4(aq)->
7.5g of ammonia at STP is heated to a temperature of 25C and simultaneously compressed to a volume of 8.0L. Calculate the new pressure of the gas.
The percent by mass of bicarbonate (HCO3-) in a certain Alka-Seltzer product is 32.5 %. Calculate the volume of CO2 generated at 37ºC and 1.00 atm when a person ingests a 3.29g tablet.
What is defined as the number of atoms surrounding an atom in a crystal lattice and indicate how tightly the atoms
If the heat capacity of the calorimeter is 85 JK , and the density of the liquid -1 is 2.34 gmL , what is the specific heat capacity of the unknown liquid?
molecular I2 dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life?
In chemical reactions the total number of moles of products must be the same as the total number of moles of reactants.
Methane and hydrogen sulfide form when 36g H2 reacts wih carbon disulfide, calculate the percent yield if the actual yield of CH4 is 69.8g.
A mixture of water and graphite is heated to 600 K. When the system comes to equilibrium it contains 0.13 mol of H2, 0.13 mol CO, 0.43 mol of H2O and some graphite
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution.
How many moles of H+ (H3O+) are produced in 40.0 m of 0.025 M HCL?
How many moles of Na2SO3 were added to the calorimeter cup if 30.0mL 0.50 M NaOCl and 70.0mL 0.50 M Na2SO3 were combined?
Determine the final pH of a solution that is prepared by mixing 25 mL of 0.15 M sodium hydroxide( NaOH )with 20. mL of 0.20 M HA,( a weak acid with Ka = 2.3 x 10-6)?
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