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a) 24.6 ml volume of HCl solution reacts completely with a solid sample of magnesium carbonate, producing 183 ml of gaseous product (there is only one gaseous product from the reaction). The gaseous product is collected over water at 24.0C and 738 torr pressure. What is the molarity of the HCl solution?
b) a 48.90 mL sample of 0.2040 M acid reacts with an excess of sodium carbonate to produce 125.0 mL of carbondioxide at 722 mmHg and 17 degree. The acid is HCl, H2SO4, or H3PO4. Which acid is it?
A chemist measures the amount of bromine liquid produced during an experiment. She finds that 766.g of bromine liquid is produced. Calculate the number of moles of bromine liquid produced.
Calculate the Pickering series wavelength associated with the excited state ni = 9.What region of the electromagnetic spectrum does this transition fall in?
Suppose 0.0864 mol of Br_2_ is placed in a 1.44 L flask and heated to constant temperature at which the halogen partially dissociates to atoms
An aqueous solution contains 0.455 M dimethylamine ((CH3)2NH) How many mL of 0.385 M perchloric acid would have to be added to 150 mL of this solution in order to prepare a buffer with a pH of 10.800.
How much heat is absorbed when 45.00 g of C(s) reacts in the pressence of excess SO2(g) to produce CS2(l) and CO(g) according to the following chemical equation?
a sample of gas at 77 degreees celsius and 1.03 atm occupies a volume of 2.02L. What volume would this gas occupy at 107 degreees celcius and 0.789 atm.
A second 25.00-mL aliquot was then treated with an excess of BaCl2 and 25.00 mL of the base; precipitation of all the carbonate resulted, and 7.63 mL of the HCl was required to titrate the excess base. Calculate the composition of the mixture.
An element has a half life of I month. Given 1000 radioactive atoms, how many radioactive elements will remain after 3 months?
Which of the following compounds would produce a single product when treated with Cl2 in the presence of ultraviolet radiation and why A) butane B) 2-methylpropane C) 2,2,-dimethylpropane D) All would produce multiple products
Natural gas is a mixture of many substances, primarily CH4,C2H6,C3H8 and C4H10. Assuming that the total pressure of the gases is 1.34 atm and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each g..
3.10 percent of the Br2 undergoes dissociation. Calculate the equilibrium constant Kc for the reaction.
The F-Cl-F bond angle between adjacent F's in ClF3 (Cl being the central atom) is closest to
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