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Calculate the pressure of a sample of gas collected over water at 25 degrees Celsius if the atmospheric pressure id 0.948 atm. 1 atm= 760 mm Hg.
The vapor pressure of water at 16 degrees Celsius is 13.6 torr and it is 15.5 torr at 18 degrees Celsius. Whats the vapor pressure at 17 degrees Celsius?
A student titrated 25.00 mL of 0.1014M HCL solution with an NaOH solution of unknown concentration.
Nitrogen (80 kPa), oxygen (21.0 kPa), carbon dioxide (0.03 kPa), and water vapor (2.0 kPa) are the usual atmospheric components. What is the total atmospheric pressure in kPa.
At what temperature does the average speed of an oxegen molecule equal that of an airplane moving at 580 mph? Im confused on the setup.
How many grams of methane must be combusted to heat 1.15 of water from 26.0 to 89.0, assuming as a product and 100% efficiency in heat transfer
express the velocity of the electron in the Bohr model for fundamental constants, the nuclear charge Z, and the quantum number n. Evaluate the velocity of an electron in the ground states of He+ ion and U91+.
determine the initial concentration - Constant rate is 3.20×10-4 M/s for a zero-order reaction. concentration has dropped to 9.00×10-2 M after 60.0 seconds
The heat combustion of acetylene, C2H2(g), at 25°C, is -1299 kJ/mol. At this temperature, ?H°f values for CO2(g) and H2O(l) are -393 and -286 kJ/mol
what number of grams of NaHCO3 in a .210 g piece of antacid would generate 38.0 moles of CO2, if the CO2 is measured at 20 degrees C and 1.00 atm.
identify the two important classes of catalysts. analyze the chemical reactions that take place when a biological
How would you determine the dS and dH for Cu2+ binding soil given K (distance) values at two different temperatures
Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 511 K, Kc = 0.056 for the following equilibrium: NH2COONH4(s) 2 NH3(g) + CO2(g). If 10.2 g of ammonium carbamate is introduced into a 0.500 L containe..
a student placed 16.5 g of glucose rm c6h12o6 in a volumetric flask added enough water to dissolve the glucose by
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