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Metal M crystallizes in a face-centered cubic lattice. If the edge of the unit cell is 200 pm, what is the radius of a metal M atom (in pm)?
a. 71b. 94c. 100d. 141
Three gases (8.00 of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 degrees C, the total pressure in the container is 3.70 atm.
Calculate the root mean square velocity of the CH4 molecules in a sample of CH4 gas at 281 K and at 533 K.
Suppose a buffer solution is made from formic and, HCHO2, and sodium formate, NaCHO2. What is the net ionic equation for the reaction that occurs when a small amount of sodium hydroxide is added to the buffer
Nitroglycerin (C3H5(NO3)3 is a stock sensitive liquid that detonates that is it decompresses explosively to form N gas, steam, carbon dioxide gas, and oxygen gas. Calculate the volume of product gases at 215 KPa, and 275 Celsius from the detinatio..
Draw the structure of two geometric isomers with the empirical formula C5H8O that gives a positive iodoform test.
After a disturbance, the system regains equilibrium with a total pressure of 2.0atm. What is the partial pressure of A at the new equilibrium
What are the respective concentrations (M) of Mg+2 and C2H3O2- afforded by dissolving 0.600 mol Mg(C2H3O2)2 in water and diluting to 135 mL
What are the concentrations of HSO4-, SO42-, and H+ in a 0.14 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.)
what volume of a 0.400 mM solution of nickel (II) acetate (FW 247.7 g/mol) is required to provide 20mg of nickel
What is meant by the chemical shift in XPS. How does it arise and how can it be sometimes be misinterpreted.
An aerosol spray can of deodorant with a volume of 210mL contains 3.4g of propane gas as propellant. Part A What is the pressure in the can at 20 celsius
must be added to obtain iced tea at 11.5 C? The specific heat of the tea is 4.18 J/(g*C), and delta H for ice is +6.01 KJ/mol.
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