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Tungsten has a BCC structure, an atomic radius of 0.137 nm and an atomic weight of 183.84 g/mol. Compute its theoretical density.
Calculate the molar solubility of calcium oxalate (CaC2O4) in a 0.080M calcium chloride solution. The Ksp of calcium oxalate is 2.3*10^-9
what is the volume of 45.6g of silver if the density of silver is 10.5g/ml?
How many milliliters of boiling water are required to dissolve 25g of phthalic acid? If the solution were cooled to 14oC, how many grams of phthalic acid would you recrystallize out?
2. (a) Calculate the value of critical radius ratio for coordination number of 4 in an ionic compound (that is, convince yourself by calculation that the value given in the text is correct.) (b) repeat for a coordination number of 8.
A mineral has a face centered cubic arrangement of its atoms and an edge of the unit cell is 565.685 pm. the density of this mineral is 11.008 g/mL. Determine the radius of an atom, the packing efficiency, and molar mass.
Given that Kw for water is 2.4× 10-14 at 37 °C, compute the pH of a neutral aqueous solution at 37 °C, which is the normal human body temperature.
What is the movement of electrons in an ammonia and hydrochloric acid reaction?
What volume in ml of 0.0293 M Ba(OH)2 is required to neutralize 25.00 ml of 2.00 M HN03
if two atoms of element A react with three atoms of element B, what is the chemical formula for the resulting compound
if grams of ammonia are reacted with 4.75 grams of oxygen gas, how many grams of nitrogen oxide will be produced.
Discuss the chemical interactions of the material(s) involved in this incident or hazardous properties relevant to the incident; Discuss the mitigation required or implemented.
A mixture of NaBr and NaI has a mass of 1.620 g. When treated with excess AgNO3, it yields a mixture of AgBr and AgI which has a mass of 2.822 g. What mass of NaI was present in the original mixture?
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