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The thermal decomposition of calcium carbonate produces two by-products, calcium oxide as well as carbon dioxide. Compute the volume of carbon dioxide produced at STP from the decomposition of 231 grams of calcium carbonate.STP means standard temp & pressure and since those are constant V = n.
At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
The compounds Br2 and ICl have the same number of electrons, yet Br2 melts at -7.2°C and ICl melts at 27.2°C. Explain
The molarity of a reactant in a second-order reaction falls from 0.150M to 0.130M in 30.0s What is the instantaneous rate of disappearance of the reactant at 30.0s
How many millimeters of 2.551 M sulfuric acid are required to completely neutralize a 556.97 mL aliquot of 0.0997 M sodium hydroxide
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3.
A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?
A complex ion [ML6]2+ is green in solution. Explain if the same metal forms a complex with another ligand, Q that generates a stronger crystal field. What color(s) could [MQ6]2+ be?
question a student dissolves some ammonium nitrate nh4no3 in water notices that the beaker gets cooler as the solid
If 100g of iron were reacted with 100g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be. 4 Fe(s) + 3 O2(g) >> 2 Fe2O3(s)
Sodium cyclamate, NaC6H12NSO3, was a popular nonsugar sweetener until it was banned by the Food and Drug Administration. Its sweetness is about 30 times that of sugar (or sucrose, C12H22O11).
construct molecular models of threo- and erythro-2,3-dibromo-3-phenylpropanoic acid and show which diastereomer would be formed by anti addition of bromine to trans-cinnamic acid
you analyze 100 kg of a gas in a tank at atmospheric pressure and find the following: CO2: 19.3% N2:72.1% O2:6.5% H2O: 2.1% what is the average molecular weight of this gas
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