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Suppose that 1.08 g of rubbing alcohol (C3H8O) evaporates from a 75.0 g aluminum block.If the aluminum block is initially at 25 C, what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25 C.
An experiment requires 46.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder.
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
Chromium metal can be plated from an acidic solution of CrO3. CrO3(aq) + 6H+(aq) + 6e- Cr(s) + 3H2O How many grams of chromium will be plated by the passage of 19,300 C (coulombs).
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
The Standardized solution of NaOH is used to titrate a solution of HCI. Write the balanced equation for this reaction. Calculate the molarity of the HCl solution.
The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in the solution?
A solution of ethanol (C2H5OH) in water is prepared by dissolving 73.2 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
PH of solution during titration process, Q1: What is the pH of a 0.35 M solution of a weak acid HA with Ka = 1.41×10^-8?
If 158 of wet hydrogen is collected over water at 24 and a barometric pressure of 736 , how many grams of hydrogen have been consumed.
How many grams of water should be produced and What is the theoretical yield of nitrogen?
Determine the volume of 0.M baryta (Barium hydroxide is the chemical compound with the formula Ba(OH) 2 ) that is needed to neutralize 35 ml of 0.2M phosphoric acid (H 3 PO 4 ), ?
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.538 grams of iron and 13.0 mL of 0.40M copper(II) sulfate react to form as much product as possible.
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