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Hydrogen sulfide is composed of two elements: hydrogen and sulfur. In an experiment, 6.500 g of hydrogen sulfide is fully decomposed into its elements.A) if 0.384g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtainedB) What fundamental law does this experiment demonstrate?C) How is this law explained by Dalton's atomic theory?
Determine the empirical and molecular formulas of each of the following substances:a) Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/molb) Cadaverine has 58.55%C, 13.81%H and 27.40%N by mass, its molar mass is 102.2g/molc) Epi has 59.0%C, 7.1%H, 26.2%0 and 7.7%N by mass; its MW is about 180 amu.
When a mixture of 10.0g of acetylene(C2H2) and 10g of oxygen (O2) is ignited, the resultant combustion reaction produces CO2 and H20.A) write a balanced chemical equation for this reactionB)Which is the limiting reactant?C)How many grams of C2h2, o2, co2 and H2o are present after the reaction is complete?
Describe the hybrid orbitals used by the central atom in O 3 .and also determines what is the number of sigma and pi bonds present in O 3 .
Determine water solubility under normal atmospheric conditions (assuming that Carbon dioxide obeys Henry's law?)
Using a sample that was dissolved in CH 2 Cl 2 , mixed alumina, evaporated the CH 2 C l2 , loaded and began to run his column, starting with C 6 H 14
How many grams will remain after 98.0 days if Phosphorus-32 has a half-life of 14.0 days Starting with 6.00g of ,?
calculate mass of CCl 4 that formed if 1.5 moles of CH 4 react with 1.4 moles of Cl?
Using a sample of 0.0355 gram of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Calculate the molar mass of the unknown compound if the camphor freezes at 157.7°C upon cooling.
The reported values for one compound (CaHbOc) were as follows: mass: 214.1360 g/mol; percent C and H: 84.07 and 8.47, respectively. Determine the molecular formula of the compound.
The design calls for reheating the liquid after the temperature has dropped to seventy degree Celsius the determine about how many stags and how many heaters are required for this process?
Determine at what temperature will a sample of air containing 5.0x10^14 Peroxyacetyl nitrate molecules per liter decomposes at the rate of 1.0x10^12 Peroxyacetyl nitrate molecules per liter per minute.
what we observed that 1.00 mole Hydrogen, 1.00 mol Iodine and 1.00 mole hydrogen iodide are introduced into a container of capacity 1.00-L. compute the concentrations of each species if equilibrium is reached?
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
A sample of water 53 g with a temperature of thirty six degree celsius is combined to 250 grams of H 2 O at 91 degree Celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
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