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What is an electron? An electron in terms of a subatomic particle in chemistry.
calculate the mass of the water vapor pressure present in a room of volume 400m3 that contains air at 27 degrees c on a
Identify the molecullar forces present in H2S nd SeO3?
What are the tax costs of creating a potential financial services startup in Massachusetts, Boston?
When 50.0 mL of concentrated sulfuric acid is added to 1.15 g of sodium chloride, what volume (in mL) of hydrogen chloride gas is obtained at 1.00 atm pressure and 25oC?
calculate the molarity of acetic acid in a viegar sample knowing that 5.00 ml of vinegar requires 43.50 ml of 0.105 m
Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds. Equation 1 shows its preparation from PCl3 and Cl2. (1) PCl3(l) + Cl2(g) PCl5(s)
Commercial concentrated aqueous ammonia is 28% by mass and has a density of 0.90 .What is the molarity of this solution?
Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures, estimate the boiling point of octane in Leadville, CO, where the atmospheric pressure is 496 mmHg. Various temperatures include: 400 mmH..
The Calfhead stream (flow rate 0.05m3s-1) discharges into the Oxhead river (flow of 3.00 m3.s-1). It is proposed to discharge waste into the Calfhead stream but the EPA requires a stream mixing study be undertaken.
A balloon was filled to a volume of 2.50 rm L when the temperature was \rm 30.0^{\circ}C. What would the volume become if the temperature dropped to rm 11.0^{circ}C.
A flask contains 0.110 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
Explain, why you used sulfuric acid in the experiment, not HCl. (3) Give the structures and names (including description of stereochemistry) of three alkenes produced in dehydration of 3-methyl-3-pentanol.
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