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Explain how a calibration curve could be used to determine an unknown quantity
Classify each chemical reaction: i# k2so4(aq) + ba(no3)2(aq) -->2kno3(aq)+baso4(s)## ii # 2Na(s)+F2(g)-->2NaF(s)## iii # Cl2 (g) +CuCl2(aq)+Br2(l)
how many grams of sulfur dioxide are produced when 90.0 g of thionyl chloride reacts with excess water according to the following equation? SOCl2+H2O --> 2HCl+SO2
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
A 1.90 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 36.0 percent of the NOCl had dissociated.
At 25 c and 1.0 atm, 0.25 g of a gas dissolves in 1.00 L of water. What mass of the gas dissolves in 1.00 L of water at 25 c and 3.0 atm?
Suppose that 0.82 g of water condenses on a 80.0 g block of iron that is initially at 24 C.If the heat released during condensation goes only to warming the iron block
The heat of vaporization of water is 40.66 kJ/mol. Assuming sweat is 100% water, how much heat is removed from your body through the evaporation of 3.13 g of sweat?
Calculate the final temperature when a 29.0 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.7 oC. Assume that there is no loss or gain of heat from the surroundings.
Mechanism for propene treated with HOCl, When propene is treated with hypochlorous acid (HOCl), the product isolated is 1-chloro-2-propanol
Calculate the mass of propylene glycol that must be added to .360 kg of water to reduce the vapor pressure by 2.87 torr at 40 degrees celsius (Ph20 at 40 degrees = 55.3)
Does ammonium chloride added to water produce a simple solution, does the ammounium chloride dissociate or does a chemical reaction occur resulting in a new set of compounds.
Hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. What's the mass of aluminum required to produce 1.0kg of aluminum chloride if there is excess acid?
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