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Problem- What is the mass (in kg) of air in a square room if the room has walls that are 9.55 feet high and 9.55 long and the density of air is 1.3 g/L?
Express your knowledge to solve the above question
A student stopped her oxalic acid titration the instant she saw a faint pink color in the solution. But she failed to swirl the solution properly, so she didn't realize that the pink color would have disappeared.
the bond length in an hi molecule is 1.61 angstrom and the measured dipole moment is 0.44 d. what is the magnitude in
Part a) Assuming volumes are additive, how much water (in mL) should be added to 12.4 mL of a 1.68 M solution of hydrochloric acid (HCl) to produce a 0.100 M solution
Use Slater's rules to calculate the shielding constant and effective nuclear charge for a 5s, 5p, and 4d electron in the tin atom. Which of these electron experience the lowest effective nuclear charge
A solution of malonic acid H2C3H2O4 was standardized by titration with .1000M NaOH solution. If 20.76mL of the NaOH solution were necessary to neutralize completely 13.15mL of the malonic acid solution, define what is the molarity of the malonic a..
the mass of water is 92.6 grams the initial temperature of the water is 58.9 degrees celsius the mass of teh liquid
Problem- If you have 4.25 grams of zinc and 5.0L of 0.3500M hydrochloric acid, how many milliliters of hydrogen gas do you produce at 350K and 800mmHg
Solubility of ionic compounds in water can either increase, or decrease with increasing temperature, or remain unchanged. Which property of a solute would allow you to predict the direction in which its solubility changes as temperature increases
Partition coefficient in octanol, A monoprotic acid with a Ka of 2.83 x 10-5 has a partition coefficient of 2.8 (favoring octanol) when distributed between water and octanol.
The vapor pressure of water at 25C is 3.13X10^-2 atm, and the heat vaporization of water at 25 C is 4.39 X 10^4 j/mol. Calculate the vapor pressure of water at 81C.
Write the name of the major organic product obtained from the reaction between 1-phenyl-1-ethanol and concentrated sulfuric acid when heated.
55.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139 mL portion of that solution is diluted using 175 mL of water. What is the final concentration
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