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What is the volume in mL of 7.27 g of acetone?
If 26.43 mL of a standard 0.1650 M NaOH solution is required to neutralize 25.23 mL of H2SO4, what is the molarity of the acid solution
if wet clothes are hung on the line to dry at 10 degrees fahrenheit on a sunny say in january they will first become
Consider the reversible Carnot cycle shown below with 1 mol of an ideal gas with CV = 3/2R as the working substance. The initial isothermal expansion occurs at the hot reservoir temperature of Thot = 400°C from an initial volume of 3.0L (Va) to a ..
four values of the normality for a naoh solution were found to be0.09987 n 0.09980 n 0.09882 n and 0.09981 n.a. round
How many grams of sucrose (C12H22O11, 342.3 g/mol) would be needed to make 2.5 L of a solution with an osmotic pressure of 14 atm at 25°C? (R = 0.0821 L×atm/K×mol) A) 0.57 g B) 6.8 g C) 2.0 × 102 g D) 4.9 × 102 g E) 5.8 × 103 g
A very flexible helium-filled balloon is released from the ground into the air at 20. . The initial volume of the balloon is 5.00 , and the pressure is 760. The balloon ascends to an altitude of 20
Calculate the solubility of silver chloride in a solution that is .100 M in NH3. Ksp for AgCl = 1.77x10^-10. Kf for Ag(NH3)2+ = 1.7x10^7
The molar mass of HCl is 36.5 g/mol, and the average mass per HCl molecule is 36.5 amu. Use the fact that 1 amu = 1.6605 * 10-24g to calculate Avogadro's number.
If the reaction 2 NO(g) + O2(g) ? 2 NO2(g) is carried out at STP, what is the total pressure? What is the temperature at STP
Calculate the ratio of the effusion rate of oxygen (O2) to that of carbon dioxide gas (CO2). Express your answer in decimal form and calculate your answer to at least four sig figs.
the pH of the solution is 9.15. After adding 16.55 mL of hydrochloric acid to your sample, the pH is 8.78. Calculate the first derivative of the function of the pH of your solution with respect to the volume of titrant added
Depict the structural formula for the following compounds. Must include all the CH-CH3, etc. details a) 2-methoxy-2-methylpropane
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