What is the mass of a tankful of gasoline
The density of a particular brand of gasoline at room temperature is .70g/mL. If the gas tank of a car holds 10.0 gallons, what is the mass of a tankful of gasoline?
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Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.100 M HClO(aq) with 0.100 M KOH(aq). The ionization constant for HClO can be found here.
At two temperatures, 85 K and 135 K, the vapor pressures of a certain liquid were found to be 540 Torr and 830 Torr, respectively. From this information, determine the molar enthalpy of vaporization
Radiation therapy. An effective treatment for some can cancerous tumors involve irradiation with fast neutrons. The neutrons from one treatment source have an average velocity of 3.2 X10-7 m/s.
2 students are titrating and started the titration at 30.0 mL. The buret was at 49.50 mL and the solution still had not chnaged to the base color. They stopped, now at 49.80 mL and refilled the buret to 0.00 mL and continued to titrate.
Write the relationship between the rates that each of the reactants and products are being lost or formed. If the rate that hydrogen chloride is being lost is 0.10 M/s, what is the rate that molecular chloride is forming?
A gas at constant temperature occupies a volume of 4.59 L and exerts a pressure of 895 torr. What volume (in L) will the gas occupy at a pressure of 642 torr
A mixture of these these gases has a total pressure of 1,380 mmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of CO2?
Chlorine gas reacts violently with sodium metal. Write the balanced reaction to answer the question. How many grams of sodium are required to completely react with 2.85 L of chlorine at 4.25 atm and 36oC
EDTA was used for the aqueous solution titration to determine the amount of calcium ions in the sample. Calculate the fraction of EDTA that exists as Y^4- at pH 10, and from this calculate pCa in 100 mL of solution of 0.100 M Ca^2+ at pH 10 after
A sample of oxygen has a volume of 4.50 liters at 300 K and 800.0 mmHg, how many oxygen molecules does the sample contain?
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