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What is the pressure inside a closed container (2 L) that held 25 g of ice and was given 70.0 kJ of thermal energy?
Assume all of the energy went into the H2O, this was done at sea level, and the container is unaffected by the temperature of its surroundings.
The starting temperature of the ice was -5 C.
The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm. The reaction occurs in a 1.48- cm sample cell, and the only colored species in the reaction has an extinction coefficient of..
If you wanted to prepare a solution of CO in water at 25C in which the CO concentration was 1.8 mM, what pressure of CO would you need to use
125 mL of H2O is initially at room temperature(22°C). A chilled steel rod at 2°C is placed in the water.If the final temperature of the system is 21.3°C, what is themass of the steel bar
What are the likely ground-state electron configurations of the following anions? Se2-, N-3
State whether the equilibrium partial pressure of NH3 increases, decreases or stays the same. (a) increasing the temperature; (b) transferring the equilibrium mixture to a larger reaction vessel; (c) adding a small amount of LiOH(s), which reacts ..
Would your calculation of the atomic mass of the metal be too high or too low if your hot metal sample cooled off, unbeknownst to you, while being transferred to the calorimeter?
An electron is con?ned to a one-dimensional box of length L. It falls from the second energy level to the ground state, and releases a photon with a wavelength of 322 nm.
Celsius the initial sample contained 0.0718 grams of calcium. What percent of the limestone by mass is CaCO3?
Question- 5.00 grams each of F2 and Cl2 are in a container with a total pressure of 2.00atm at 298K. What is the partial pressure of Cl2?
A solution of ammonia and water contains 1.90×10^25 water molecules and 5.20×10^24 ammonia molecules. How many total hydrogen atoms are in this solution
Which will experience the greater effective nuclear charge, the electrons in the n=3 shell in Ar or the n=3 shell in Kr? Which will be closer to the nucleus?
How many electrons in a ground-state krypton atom are in orbitals labeled by ml = 1
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