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Which monatomic ion has a charge of 1+ and the electron configuration [Kr]4d105s2? Write the element symbol and charge.
the pressure of a sample of a 1000 mL sample of gas at 10.0C increases from 700 mm Hg to 900 mm Hg. If the volume is unchanged, what is the new temperature
what is the theoretical mass of xenon tetraflouride that form when 118. grams of xenon is reacted with 62.0 grams of flourine?
Acetylene gas (C2H2) is produced as a result of the reaction CaC2(s) + 2 H2O(l) → C2H2(g) + Ca(OH)2(aq).
If the aqueous solution in the above problem with ammonia was also allowed to equilibrate with an atmosphere containing 10 3.5 atm carbon dioxide
When doing the kinetic trials, someone mistakenly omitted the Sodium Thiosulfate solution. How will this omission change the appearance
With what minimum speed must Fran leave the ground in order to lift her center of mass 1.95 m and cross the bar with a speed of 0.70 m/s?
How many grams of sodium bicarbonate and sodium carbonate, respectively, are needed to make 3 liters of 0.075 M buffer,
Why is it important that your distillation apparatus to have a vent to atmospheric pressure and why do you put a boiling chip
CH3OH burns in oxygen (O2) to from carbon dioxide (CO2) and water(H2O). Equal masses of ten grams of gaseous CH3OH and O2 are placed in an evacuated flask of five litres at the temperature of 25 degrees celsius.
A 25-g sample of an alloy at 92 degrees celsius is placed in 50 grams of water at 20 degrees celsius. If the final temperature reached by the alloy sample and water is 27 degrees celsius.
What is defined as the number of atoms surrounding an atom in a crystal lattice and indicate how tightly the atoms
Elemental analysis of the solid suggested the composition C9H10O3. The solid melted at 117 °C and gave the following nmr spectra and the ir spectrum. What is this material and why and how did it come to be in both of these sources?
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