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If 2.3g of sodium reacted with 1.8 of water, what would be the total mass of sodium hydroxide and hydrogen produced?
The enthalpy change when a strong acid is neutralized by strong base is -56.1 kJ/mol. If 12.0 mL of 6.00 M HBr at 21.30°C is mixed with 300. mL of 0.250 M NaOH
Draw all stereoisomers of 3-heptene. Position the groups attached to the double bond (120° bond angles) to indicate the stereochemistry.
This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed to generate 143L of H2 gas if the pressure of H2 is 823torr at 21de..
an unknown amount of CO2 occupies a volume of 9.04 L at 25°C and 1.17 atm pressure. How many moles of CO2 are there in this sample?
At what temperature does water boil on the top of Mount Everest, elevation z=8848m. Recall that the dependence of pressure with altitude is given by P=Patmexp^(-MWgz/RT) where, Patm is atompheric pressure, g is the gravitational acceleration, and ..
Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene (molar mass = 406.9 g/mol) must be added to 125 g of chloroform to give a solution with a boiling point of 62.60°C?
A solution is made by adding 70.00grams of sodium acetate to 550.0mL of 0.60 mol/L solution of acetic acid. a.What is the pH of the
State the number of grams of water that can be obtained by the reaction
How many copper atoms and how many zinc atoms are in the penny provided. You will have to do some research to help with this one
traces of iron and titanium. If the sapphire were found to contain 0.155 g of oxygen, what is the mass of the gemstone?
Identify the group of elements that corresponds to the following generalized electron configuration: [noble gas]ns^2(n-2)f^6?
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295 K, and the volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1mL atm K-1..
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