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Silver crystallizes in face centered cubic unit cell. a silver atom is at edge of each lattice point the length of the edge of the unit cell is 0.4086 nm. What is the atomic radius of silver
If it takes 3 breaths to blow up a balloon to 1.2 L, and each breath supplies the balloon with 0.060 moles of exhaled air, how many mols of air are in 3 liters
How many grams of SO2 can you make from 11.40g of H2O?
Enough of a monoprotic acid is dissolved in water to produce a 0.0194 M solution. The pH of the resulting solution is 6.26. Calculate the Ka for the acid.
A 1-L flask is filled with 1.45 g of argon at 25^0C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.what is the partial pressure of argon in the flask?
a. what is the ph of a solution containing 0.2 m acetic acid pka 4.7 and 0.1 m sodium acetate?b. you have just made a
why do you think the solid kio3 that you willuse to make your primary standard will be dried overnight in
a anaerobic bacteria living at the bottom of a shallow inlet to a salt marsh are generating hydrogen sulfide as a by
a sealed balloon is filled with 1.40 l of helium at 23degc and 1.00 atm. the balloon rises to a point in the atmosphere
Calculate G and S for the isothermal compression of 30.0 g of water from 1.0 atm to 100.0 atm at 25°C . Ignore the variation of V with P.
question the international union of pure and applied chemistry iupac has adopted 273.15 k and 1 bar as standard
A weak acid HA (pKa=5.00) was titrated with 1.00M KOH. The acid solution has a volume of 100.00mL and a molarity of 0.100M. Find the pH at the following volumes of base added and make a graph of the pH versus Vb:Vb= 0, 1, 5, 9, 9.9, 10, 10.1, and ..
How many grams of solid acetate (82.0 g/mole) should be added to 1.50 L of a 0.287 M acetic acid solution to prepare a buffer with a pH of 4.140. Grams of sodium acetate
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