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Consider the following reaction:
2NaOH + H2SO4--->Na2SO4 + 2H2O 78.6 g of H2SO4 is present initially. How many grams of NaOH are needed to neutralize H2SO4?
An average human produces 10 mJ of heat each day. if the human body were an isolated system of mass 45 kg with heat capacity of water, what temperature rise would the body experience?
What is the mass of water in 1m^3 in air having a termperature of 32C and relative humidity
Against a constant external pressure of 3.50atm until equilibrium is reached then (b) against a constant external pressure of 2.50atm until equilibrium is reached. Compute q and w for the two step expansion.
What happens to the time at which the mid point of the breakthrough curve exists the column if the particle size is halved but the adsorption isotherm and column size stay the same?
Explain a metal weighs 2.166 g, determine the volume of that metal that is1.50 cm long,0.550 cm wide and 0.250 cm thick.
question 90ml of an unknown concentrated chlorine was diluted with 2250l of water. the dilution now is 0.08mgl. what is
Helium= ? g/mL Neon= ? g/mL Carbon monoxide= ? g/mL Nitrogen monoxide= ? g/mL If the density of air at 25 degrees C and 1.00 atm is 0.00117 g/mL, will any of the balloons float in this air? Which ones?
The solubility product constant of calcium sulfate,CaSO2 is 7.10*10^-5 . How many grams of calcium sulfate can dissolve in 53.5 of pure water
Concentrated nitric acid is 70% by volume. Explain how many mL OF 70% NITRIC ACID are required to make 450mL of 3.3% acid
The directions tell you to dissolve 680g of sodium hydrogen sulfate, NaHSO4, in 3.4L of water. What is the concentration of this solution in g/100mL?
question calculate the massvolume percent of a nacl solution in which 127g of nacl is dissolved in enough water to give
Determining the Densities of Known Sugar Solutions. Draw up enough solution D to half fill a clean, dry 10-mL volumetric pipet. Use this solution to rinse the inside of the pipet. Allow the rinse solution to drain into a 150-mL beaker, labeled "Dis..
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