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A steel tank has a volume of 438 L and is filled with 0.885 kg of O2 at 21°C. What is the pressure within the tank?
At least how many standard solutions would you need to make calibration graph, assuming that the graph is expected to be a straight line? Explain your answer. Do not include the data from distilled water
What is the wavelength of a photon (in nm) of light emitted resulting from an electron in a hydrogen atomundergoing a transition from a n=5 to and n=1 electronic orbital
What is the percent by mass of NaHCO3 in a solution containing 70 g of NaHCO3 dissolved in 700 mL of H2O?
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
A 295mLflask contains pure helium at a pressure of 742torr . A second flask with a volume of 465mL contains pure argon at a pressure of 717torr .
How many grams of ammonia gas would be formed when 11.2 Liters of hydrogen gas at STP reacts with 4.72 Liters of nitrogen gas
The boling point of water in city a is 94 degrees celcius and in city b it is 97 degrees celcius. which is at the higher elevation.
If 0.214 mol of argon gas occupies a volume of 652 mL at a particular temperature and pressure, what volume would 0.375 mol of argon occupy under the same conditions?
The standard molar enthalpy change for this reaction is -1.3MJ. What is the enthalpy change when 6 moles of octane are combusted?
Hydrogen atoms are excited by a laser to the n = 4 state and then allowed to emit. What is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 1-2-3-4-5-6-7-8 Calculate the..
A canister is filled with 320 g of ice and 100 gm of liquid water, both at 0 C . The canister is placed in an oven until all the H_2O has boiled off and the canister is empty.
completely reacts. What is the mass (s) consumed during the reaction?
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