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Suppose 24.0g of sodium nitrate is dissolved in 350. mL of a 0.40M aqueous solution of ammonium sulfate.
Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the sodium nitrate is dissolved in it.
Round your answer to 3 significant digits.
Number of Moles and Conversion, a) Number of moles of carbon atoms in 0.585 moles C4H10
what is the masss concentration of water vapor in the atmosphere at 25 degrees celcius when the realtive humidity is 60
The methylamine hydrochloride dissociates completely in water to form methylammonium ion (CH3NH3+) and chloride ion.
Draw a potential energy diagram that represents the three step mechanism for the reaction and label the reactants and products for the overall reaction. Assume the overall reaction is endothermic
Show the orbital-filling diagram for rm N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
Draw diagrams to show the various orientations in which a p orbital and a d orbital on adjacent atoms may form bonding and antibonding molecular orbitals.
100.0 ml of 0.100 M acetic acid is placed in a flask and is titrated with 0.100 M sodium hydroxide. An appropriate indicator is used. Ka for acetic acit is 1.7 x 10^-5. Calculate the pH in the flask at the following points in the titration.
What is the minimum voltage needed to produce a reaction in the electrolysis of copper(II) sulfate using inert electrodes. This is he same as asking what is Ecell for the electrolytic cell. However, express your answer as a positive number.
Using the inverse square law of radiation, what Geiger counter reading would you get for a radioactive material when you are 3 feet from the source (assume an initial reading of 6300 R at a distance of 1 foot from the source)
The total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
A volume of 40.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the solution if 19.2 mL of 1.50 M H2SO4 was needed? The equation is 2KOH(aq)+H2SO4(aq)=K2SO4(aq0+2..
In the fermentation of glucose (wine making ), a volume of 780 ml of CO2 gas was produced 37 degree celsius and 1.00 atm. What is the volume (L) of the gas when measured at 22 degree celsius and 675 mmHg
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