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A can of mineral water contains 345 mL of water. How many molecules of water does the can contain? (water = 1.00 g/mL)
The reaction is first order, and the rate constant is 6.70x10^-4 s^-1. If the initial concentration of cyclopropane is .0577 M, what is the molarity of it after 37.2 minutes?
Net ionic equation for Sodium Carbonate and Lithium sulfate. Sodium carbonate and sulfuric acid. Strontium chloride and lithium sulfate.
A 28.0-g sample of water at 290. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Bond Energies, Using the bond energies below, determine the value and sign of delta H for the
Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound.
A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 400.0 Torr at 45.0 °C. Calculate the value of ?H°vap for this liquid.
Draw all the structural isomers for the molecular formula C4H9Br. Be careful not to draw any structures by crossing one line over another
IF you want to prepare a solution that is .200 molal in NaNO3, how many grams of the salt would you add to 500 grams of water?
How much heat is required to warm 221 g of ice from -44.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Nitrobenzene, C6H5NO2, an important raw material for the dye industry, is prepared from benzene, C6H6, and nitric acid. When 22.4g of benzene and an excess of HNO3
Molecular weight and mole concept explained in this solution, The molecular weight of NaOH is 40. the molecular weight of a widely used buffer, HEPES, is 255
A 0.30 M solution of sucrose (C12H22O11) at 37oC has approximately the same osmotic pressure as blood. What is the osmotic pressure of blood?
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