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A quantity of N2 gas originally held at 5.21atm pressure in a 1.00-L container at 26 deg C is transferred to a 12.5-L container at 20 deg C. A quantity of O2 gas originally at 5.21atm and 26 deg C in a 5.20-L container is transferred to this same container. What is the total pressure in the new container?
The solubility of CO2 in water will increase when which condition is applied? * The Temperature is raised * Partial pressure of carbon dioxide is increased * Partial pressure of carbon dioxide is decreased
What is the sodium ion concentration in the final solution when 50.0 mL of 0.125 M NaCl is mixed with 50.0 mL of 0.200 M Na2SO4?
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.
Find the amount of heat involved when 300.4 g of propane is burned with an excess of oxygen. C3H8(g) + 3 O2(g) ? 3 CO2(g) + 4 H2O(l) -->?H = -2219 kJ
If the electrons after S_x measured are sent through a Stern - Gerlach analyzer to measure S_z(spin momentum along z-axis) again, what values will be found? with what probabilities will these values occur?
Compare the pH values in the dilution experiment for each of the acids and bases used to the pH detemined for distilled water.
A volume of 95.0ml of h2o is initially at room temperature 22.0 C. A chilled steel rod at 2.00 *C.is placed in the water. If the final temperature of the system is 21.2 *C. what is the mass of the steel bar?
A water chemist obtained a 250-mL sample from a nearby lake and fixed the oxygen on-site wth alkaline solutions of MnS04 and Kl-NaN3-. returning to the labrotary, a 200-mL sample was analyzed by acidifying the sample
How many milliliters of 0.200 M NaOH are needed to neutralize 100. mL of 0.100 M HCl
Plutonium- 239 decays by alpha emission. Calculate the energy emitted when 2.00mg of Pu-239 decays in this manner
Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?
You measure 50,000 decays of a radioactive sample in 20 seconds. You measure the same sample 50 days later and observe only 10,000 decays in 20 seconds. What is the half life of the radioactivity
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