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What's the oxidation number of the following? A.) Ga in Ga(OH)3; B.) Hg in Hg2Cl2; C.) Zn in Zn(OH)4 2-; and As in H2AsO3-
A solution that contains 87.2g of an unknown compound in 392.4g of water freezes at -8.00 degrees C. Calculate the molar mass(in units of g/mol) of the solute. Kf of water is 1.86 degrees C/m.
What are the freezing point and boiling point of an aquenous solution of 15.5g glucose (C6H12O6) dissolved in 150 g of water?
If equal masses of N2 and H2 (7.00 grams each) are combined to produce ammonia NH3, how many grams of ammonia could be produced at maximum yield.
What volume (in mL) of water must be added to a 1.133 M solution of sodium chloride to make a 52.4 mL of a 0.52024 M solution? Assume the volumes are additive.
One approach to the synthesis of virstatin is shown above. An SN2 reaction of an anionic imide nucleophile (formed by deprotonation of1) with an alkyl halide electrophile 2 affords virstatin ethyl ester 3 Base-inducedhydrolysis
10.00 ml of 0.100M HCL were used to titrate .300g of the sample using phenolphthalein as an indicator. Calculate the number of moles and the mass of sodium carbonate present in the mixture.
Which of the following statements is true? a. The critical temperature must be reached to change liquid to gas. b. To melt a solid at constant pressure, the temperature must be above the triple point.
Write the standard line notation for each cell below. Assume all concentrations are 1.0 M and all partial pressures are 1.0 atm. IO3-(aq) + Fe2+(aq) --> Fe3+(aq) + I2(aq)
The standard voltage of the cell Ag(s) | AgBr(s) | Br (aq) || Ag +(aq) | Ag(s) is +0.73 V at 25 ?C. Calculate the Ksp for AgBr.
The density of mercury (Hg, a liquid metal) is 13.6 g/mL. What volume would 305.4 grams of mercury occupy
When the following chemical equation is correctly balanced, what is the sum of the smallest set of integer coefficients
what happens when acetate ion reacts with mercuric chcloride? explain with reactions?
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