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After doing some analysis, the probe determines that the gas pocket contains an element that has an ionization energy of I= 1350 kJ/mol and an electron affinity of EA=32.0 kJ/mol . What is the identity of this element?
A sample of nitrogen gas was collected over water at 20 degrees celsius and a total pressure of 1.00 atm. A total volume of 2.50 x 10^1 mL was collected. What mass of nitrogen was collected
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
A technician would like to find the concentration of a NaOH solution using KHP as the primary standard. The reaction of NaOH and KHP is as followed:
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
What volume, in L, of hydrogen gas at standard temperature and pressure (STP) is produced from reacting 0.333 L of 0.807 M hydrochloric acid with aluminum metal? (1 mol of gas @ STP = 22.4 L).
Calculate the heat capacity per gram of metal. Assume no heat is lost to the calorimeter or the surroundings. The specific heat capacity for water is 4.184 J/g
What is the theoretical yield of aspirin if 165 of salicylic acid is allowed to react with 111 of acetic anhydride?
some ice cubes at 0 degrees c with a total mass of 379g are placed in a microwave oven and subjected to 750. w 750.
The Ksp for silver cyanide is 1.2x10^-8, the Ksp for zinc cyanide is 8.0x10^-12, and the Ksp for aluminum cyanide is 2.3x10^-21. What is the minimum cyanide concentration needed to precipitate each condition
When 5.454 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 17.11 grams of CO2 and 7.006 grams of H2O were produced.
After distributing the remaining valence electrons so that the carbon and each chlorine atom has an electron octet, write the lewis structure for CCl4 in the box.
what xharcyeristic of the spectra did edwin hubble use and how was it used for velocities?
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