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What is the mole fraction of solute and the molal concentration for an aqueous solution that is 18.0% NaOH by mass?
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction below? Change in H degrees for the reaction is +624.6 kJ. SiO2 (g) + 3C (s) -> SiC (s) + 2CO (g)
Calculate the concentrations of each of the ions in 0.12 M (NH4)2HPO4. a) [NH4+], M b) [HPO42-], M
Calculate the radius of a Au (gold) atom if Au atom has a face-centered unit cell ? it is given that its density = 19.32 g/cm 3 .?
Nitrogen and hydrogen gases react to form ammonia gas as follows: N2(g)+3H2(g)-->2NH3(g) At a certain temperature and pressure, 1.7 L of N2 reacts with 5.1 L of H2. If all of the N2 and H2 are consumed, what volume of NH3(g) is produced at the sam..
That is, if you see a second layer of insoluble organic liquid, what could the unknown be in addition to a tertiary alcohol?
Given total pressure and equilibrium constant, calculate equilibrium partial pressure, The heterogeneous equilibrium process
Solid Lithium hydride is added to water. Find the complete molecular, complete ionic, and net ionic formulas.
For a dehydration reaction in metabolism, wherein water is removed from an alcohol to create an alkene: a. Requires NAD+ b. is an example of substrate oxidation c. Requires NADH d. is not a redox reaction and does not need an external e- acc..
for swimming 1500 m in a long course pool is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.650 miles? (1 mi = 1609 m.)
provide the correct molecular geometry by its English name and by drawing the proper stucture. Use a three dimensional drawing.
What volume of 2.0 M NaClO must be diluted with water to prepare 500.0 mL of 0.10 M NaClO?
Dimethyl sulfoxide is an aprotic dipolar solvent that readily dissolves many inorganic salts. Water is a protic dipolar solvent that dissolves inorganic salts.
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