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One sample had a mass of 25 grams. The other had a mass of 50 grams. Would the same number of particles be ejected from each sample in the first hour?
which phase transitions more likely to occur?
Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid
If Kp = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium?
2. 0.33g of KOH is dissolved in 350.0ml of ethanol and 1.45g of C2H5I is dissolved in 350.0ml of ethanol. Assuming the reaction is first order, when equal volumes of the two solutions are mixed, what is the initial rate at 40oC?
Sulfur dioxide (SO2) is an unwelcome result of burning soft coal in power plants. Some of the SO2 ends up as sulfuric acid in acid precipitation.
If 17.0 mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia?
consider the reaction CO2+H2=CO+H2O.The equilibrium concentrations are [CO]= 0.050M, [H2]=0.045M, [CO2]=0.086M, and [H2O]= 0.040M. Calculate K .
A brewery has a horizontal conveyor belt to transfer malted barley from a storage silo to the mash tun (the large vessel where the malted barley is steeped in hot water).
Exactly 500.00mL of 1.000M perchloric acid is used to dissolve 22.10g of the mineral malachite, Cu2CO3(OH)2 (molar mass=221.0g/mol). What volume of 1.000M sodium hydroxide, is necessary to completely neutralize the excess acid?
a sample of nitrogen gas is collected over water at a tempature of 23.0 c. what is the pressure of the nitrogen gas if atmospheric pressure is 785 mm hg
Calculate H per mole of CaCl2 (in kJ) for the reaction under the above conditions. Aside, the ?H per mole for dilution depends on the process.
Arrange the following elements in order of increasing ionization energy, and explain how you know the order
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