Chemistry temp: 8C, density 0.800 g/ml based on this data, how many molecules are contained in 30ml of ethanol at 8C? (MM of ethanol is 46.08 g/mol)

Q: Water pollution is defined only as any physical or chemical change in water that: 1 a. Improves the…

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Q: Calculate the volume in milliliters of 3.00 mol/L H₂SO4 required to react with 9.27 g of solid…

A: Please find the below attchment.

Q: C3Hg + 5 02 3 CO2 + 4 H,O 3.46 moles of C3H8 are burned in a room with excess oxygen gas. How many…

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Q: A chemist adds 40.0 mL of a 0.083 mmol/L sodium thiosulfate (Na, S,0,) solution to a reaction flask.…

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Q: The boiling point of water H,O is 100.0°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: When a non volatile solute is added to a pure solvent its boiling point increases The difference in…

Q: A sample of oxygen gas at 24°C and a pressure of 745 torr was found to have a volume of 455 mL. The…

A: Given, Pressure(P) = 745 torr = 745 torr × (1 atm / 760 torr) = 0.98 atm Volume(V) = 455 mL = 455 mL…

Q: PER 1+2 are held in rigid containers A., B, and C as shown below. Answer the follow, 2.80 g N 2.8…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A river pollutant is found to have a concentration of 0.0031 % m/v. If the density of the river…

A: Given  %(m/v) = 0.0031 %  density of solution = 1.183 gram/mL  Concentration of the pollutant in ppm…

Q: How many grams of sodium are required to completely react with 19.2 Lof CI, gas at STP according to…

A: The reaction given is  2 Na (s) + Cl2 (g) --------> 2 NaCl

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.