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how many milliliters of .45M hydrochloric acid must be added to 25.0 mL of 1.00 M potassium hydroxide to make a neutral solution?
a gas company in massachusetts charges $2.80 for 15ft^3 of natural gas at 20 degrees C and 1 atm. Calculate the cost of heating 200mL of water from 20 degrees C to 100 degrees C.
Find the molarity of a Ca(OH)2 solution,given that 363 mL of it is neutralized in a titration by 187 mL of 0.0058 M HNO3.
What will be the freezing point and boiling point of this aqueous solution if given that Kb(H 2 O) = 0.51 oC/m and Kf = 1.86o C/m.
As gas expands from 1.00 L to 2.50 L against constant pressure of 820 torr. Calculate the change in internal energy for the gas, if 120 J of heat is transferred to the gas during the expansion.
Write down the Empirical Formula if aA Compound Is 21.20% nitrogen, 6.06% Hydrogen, 24.30% sulfur , And 48.45% Oxygen?
What is the volume occupied by 0.265 mol of helium gas at a pressure of 1.32 atm and a temperature of 302 K.
What is molarity of NaOH solution if 26.0ml of 0.380 M H2So4 solution is required to neutralize a 25.0ml sample of the NaOH solution
What is the molality of CrCl3 in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate in 250.0 g of water.
100 mol/h of n-octane is burned in 80.0% excess air to 95.0% conversion. What is the molar flow rate of N2 in the stack gas if The n-octane is converted to a mixture carbon monoxide, carbon dioxide, and water, where the ratio of CO2 to CO is 4:1?
If 3.98 g of copper was recovered and you started with 9.10 g of copper (II) chloride, then what is the percent yield of the reaction ?
A student is given four solid samples labeled W, X, Y, and Z. All have a metallic luster. She is told that the solids could be gold, lead sulfide, mica (which is quartz or SiO2), and iodine.
What is the molarity of a nitric acid solution if 43.53 mL 0.1000 M KOH solution is needed to neutralize 20.00 mL of the acid solution
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