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1. Arrange the following elements in a vertical list from largest (top) to smallest (bottom) atomic size: Si, S, P
2. Arrange the following elements in a vertical list from lowest (top) to highest (bottom) electronegativity: Sb, I, Te
3. Arrange the following elements in a vertical list from highest (top) to lowest (bottom) ionization potential: Si, Sn, Ge
Problem- A glass column is filled with mercury and inverted in a pool of mercury. The mercury column stabilizes at a height of 729 mm above the pool of mercury. What is the pressure of the atmosphere
a student dissolve 1.00 gram of product in 50ml h2o. the di stribution coeffcient of the compound in ether and h2o is
Saltpeter is a compound made of potassium (K), nitrogen (N), and oxygen (O). Every 100.00 g of saltpeter contains 38.67 g potassium and 13.86 g nitrogen. What is the mass of oxygen contained in 316.0mg of saltpeter?
If 25.0g of sodium peroxide(Na2O2, MW = 78.0g/mol) is reacted with 12.1g of water (H2O, MW = 18.0 g/mol) according to the following thermochemical equation: What quantity of heat is released?
The rotation constant for H2 is 60.80 cm-1 the harmonic frequency is 4395.3 cm-1 and the anharmonicity constant is 117.90 cm-1. calculate the frequency at which the Q branch first overtone will be found.
If enough O2 is added to a cylinder of H2 at 33.2 atm to bring the total pressure to 34.5 atm, is the mixture explosive?
1. a woman requires taking ibuprofen twice daily in 625mg amount. each pill in the bottle is 250 mg then determine the
write balanced half-reactions and the overall spontaneous reaction. type your answer using the format nh4 for nh4. use
cortisone is a steroid used to treat joint inflammation. each cortisone molecule contains 21 atoms of carbon plus
Calculate the quantity of sodium fluoride in kilograms needed per year for a city of 50,000 people if the daily consumption of water per person is 115.0 gallons.
How much 10.0 M HNO3 must be added to 1.00L of a buffer that is 0.001 M acetic acid and 0.1 M sodium acetate to reduce the pH 5.45? (pKa of acetic acid = 4.75)
The chloride content is 65% and you use this to calculate the amount of Ag(aq) to use for precipitation, you will have calculated an excess of Ag(aq).
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