State the empirical formula and its molecular formula
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.
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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?
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.
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 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
An organic compound was found to contain 10.34% hydrogen, 27.59% oxygen and 62.07% carbon. Calculate its empirical formula and suggest a few possible molecular formulas. Name each of them.
Let, consider a homemade television projection system which employs a large thing positive lens to cast the image of the TV screen to a wall.
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