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What is happening to water during the phenomenon of expansion when frozen.
In a gas mixture, the partial pressures are nitrogen 420 torr , oxygen 125 torr , and helium 245 torr. What is the total pressure (torr) exerted by the gas mixture?
A piece of magnesium (mass=16.2 grams) reacts completely with 10.7 grams of oxygen. In the second reaction you have 61.4 grams of magnesium and 103.7 grams of oxygen
Would 50 g KNO3 completely dissolve in 100 g water at 40 degrees Celcius?
What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg?
If 20.0 mL of 0.12 M cobalt(II) nitrate is reacted with 15.13 mL of 0.097 M sodium phosphate, which of the two reactants will be left over and which will be completely consumed.
Some of the ice melts and cools the water to 0 degrees celsius. When the ice and water mixture has come to a uniform temperature of 0 degrees celsius, how much ice has melted
If 30.00 mL of 0.500 M HCl is used to neutralize 10.00 mL of KOH, what is the concentration of the base?
Question- Calculate the freezing point and boiling point of a solution containing 7.60g of ethylene glycol (C2H6O2) in 95.0mL of ethanol. Ethanol has a density of 0.789 g/cm3.
For the following reaction, Kc is 144 at 200 degrees C. If 0.400 mol of both A and B are placed in a 2.0 liter container at that temperature, what will the concentration of of C be at equilibrium
The excess HCL required 43.82 ml of 0.01185M Ba(OH)2 to complete the following reaction. What was the Molarity of the orginal HCL?
What is the molar concentration of the solution. How many moles of the solute are in the solution. What is the molar mass of the solute
Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.
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