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Using proper electron movement, show the mechanism for the addition reaction of ethene (CH2=CH2) and HCl to form CH3-CH2-Cl.
a 9.528 quantity of zinc was allowed to react with 40.00 of sulfuric acid that had a density of 1.3028 . the reaction
She titrated the acid with a NaOH solution whose exact concentration was unknown. A volume of 18.19 mL of NaOH solution was required to reach the endpoint of the titration. What was the concentration of the NaOH solution in units of M (mol/L)
A solution made by adding 20g of urea to 125g of water has a vapor pressure at room temperature of 22.76 torr, whereas the vapor pressure of pure water at 25 degrees celsius is 23.76 torr.
Siler metal crystalizes in a face-centered cubic lattice with L as the length of one edge of the unit cube. The center-to-center distance between nearest Silver atoms is....L/2 or 2 1/2L or 2L or L/2 1/2 or none of the above
question you take an aspirin tablet a compound consisting solely of carbon hydrogen and oxygen with a mass of 1.00 g
Kr (g) in a 18.5 L cylinder exerts a pressure of 11.2 atm at 28.2 °C. How many grams of gas are present
A 550 mL volume of hydrogen chloride gas, HCl, is collcted at 27 degrees C and 790 mm Hg. What volume will it occupy at STP?
An aqueous CaCl2 solution has a vapor pressure of 82.1 mmhg at 50 C . The vapor pressure of pure water at this temperature is 92.6 mmhg What is the concentration of in mass percent?
A certain weak base has a Kb of 7.40 × 10-7. What concentration of this base will produce a pH of 10.11
How much forested land would be needed to produce all of the given country's power? (Assume that the given country has little fossil resources.) Is this a sustainable alternative?
a spherical balloon containing 5.035 mg of hydrogen gas in its standard state of aggregation behaving ideally is
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 21.2cm higher than the level in the arm open
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