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Compute the formula mass of each compound given below. Keep at least on decimal place in atomic masses from the periodic table. Units- amu
H2O2
H2SO4
H2S
HBrO4
For which of the following aqueous salts will electrolysis produce hydrogen gas and oxygen gas. Check all that apply.
what happens when acetate ion reacts with mercuric chcloride? explain with reactions?
Compute the total transitional kinetic energy of the air molecules in a spherical balloon of radius 43.0 cm at 24 C and 1.2 atm. Is this enough energy to heat 200mL of water from 20 C to 90 C for a cup of tea
The concentration of an enzyme within a cell is extremely low relative to other material present, yet functions effectively in its metabolic role.
How many grams of the K2C2O4 X H2O in the salt mixture remain unreacted (in excess)? f. what is the percent by mass of each salt in the mixture
If I add 1.65 L of water to 112 grams of sodium acetate...What is the molality of NaC2H3O2 in this solution?
Explain what is the size ratio of the largest metal cation that can occupy an octahedral hole to the largest that can take up a tetrahedral hole while maintaining the close-packed nature of the anion lattice
How much heat in kilojoules is required to warm 10.0 g of ice, initially at -10.0^\circ C, to steam at 110^\circ C. The heat capacity of ice is 2.09 {\rm J}/{\rm g} ^\circ {\rm C} and that of steam is 1.84
The ionic radii of Cs+=.174nm, radius of Cl-=.181nm, and the coordination numberof each ion=8, Calculate the lattice parameter
Indicicate the coordinaiton number of the metal and oxidation number of the metal as well as the number and type of each donor atom of the ligands for the folloing complexes:
The reaction S2O82- + 2 I- ------> 2 SO42- + I2 proceeds slowly in aqueous solution, but can be catalyzed by the Fe+3 ion. Given that Fe+3 can oxidize I- and Fe2+ can reduce S2O82-, write a plausible two-step mechanism for this reaction.
Which has the greater buffer capacity a) a mixture containing 0.0500 mol of NH3 and 0.100 mol of NH4CL or b) a mixture containing 0.100 mol of NH3 and 0.200 mol of NH4CL
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