Calculate its empirical formula and suggest its molecular
A compound was found to have in 11.1% H, 35.6% S and 53.3%C. Calculate its empirical formula and suggest its molecular formula, knowing that it smells like rotten eggs when it becomes moist. Discuss the reasoning.
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Determine the volume of 1.44 M calcium chloride must be diluted with water to prepare the 408.0 mL of a 2.85×10-2 M chloride ion solution?
The interior surface temperature is 19.0 o C. and the exterior surface temperature is -10 o C. Determine the temperature at the plane where the wood meets up the Styrofoam?
This medicine is effective until amount in bloodstream drops 1.2 mg. The doctor prescribes the dose of 85 mg. State the function A which models amount of medicine remaining in bloodstream after t hours.
Determine the values of the quantum numbers n, l, ml, s, and ms for each of the valence electrons of a nitrogen atom in the ground state?
In an experiment, aluminum of 200 g having a specific heat of 900 J/kg•K at 100°C is mixed with 44.0 g of water of 4186 J/kg•K at 20°C, having the mixture thermally isolated. (i) Determine the equilibrium temperature?
A compound was found to have a molar mass of 245.8g and the following composition: 2.44% H, 13.02%O, 19.53% C and 65.01% Br. State the empirical formula and its molecular formula.
A container of cylindrical shape 1.2 tall contains mercury to a certain depth, d. The rest of the cylinder is filled with the water. When the pressure at the bottom of the cylinder is two atmospheres, determine the depth d?
Let, consider an isotropic point light source "S" situated at some height "h" directly over a point "M" on a horizontal plane. When point "P" is on the plane at a distance "r" from "M", verify that the source "S" generates maximum irradiance on th
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Question: Which of the following statistics is true regarding adolescents? A. 1 million people each year get STDs. B. Half of STD infections are among people
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