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Aluminum metal shavings (3.200g) are placed in 60.00 mL of (6.00 M hydrochloric acid. 1.00 L of hydrogen gas is collected in a buret over at 20 degress celsius and 1 atm. P(H2O)=17.5 torr.
a)Write the balnced reaction
b)Identify the limiting reagent
c)Identify the excess reagent
d)Calculate the thoretical yield of hydrogen gas in g.
e)Calculate the thoretical yield of hydrogen gas in L.
f)Calculate the mass of excess reagent remaining after the reaction is complete
g)Calculate the % yield
Calculate the velocity of a nucleus given that it has 4 neutrons, 4 protons, a wavelength
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 300mL of a solution
looking for a good introduction for this lab and any random data showing the results on how to calculate the equilibrium constant for the reaction shown above.
1.00 g of NH4Cl (s) is completely decomposed by heating to 325 °C at 1.00 atm. What volume of gas will be produced? NH4Cl (s)= HCl(g) + NH3(g)
A jogger runs at an average speed of 5.9 mi/h. a. How fast is she running in m/s? b. How many kilometers does she run in 98 min?
A 578 mL sample of hydrogen gas was collected over water at 25°C and a pressure of 783 torr. If the pressure of water vapor is 24.0 torr at 25.0°C, what mass of hydrogen gas (g) was collected?
A physiological saline solution contains 154 mEq/L each of Na+ and Cl-. How many moles of Na+ are in 1.00L of the saline solution?
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Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3.
Tarnish (silver sulfide) may be removed from a silver spoon by placing the spoon in contact with a metallic container holding a solution of baking soda.
Calculate total enthalpy change in the first stage and in both stages.
What is the rate constant of a first-order reaction that takes 343 seconds for the reactant concentration to drop to half of its initial value?
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