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Complete and balance the equations for each of the following reactions. Express your answer as a chemical equation. Identify all of the phases
Part A: KHCO3(s) + HCl(aq) --->
Part B: Ca(s) +H2SO4(aq) --->
Part C: H2SO4(aq) + Al(OH)3(aq) --->
Part D: Na2CO3(s) + H2SO4(aq) --->
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 35 mL of octanol at (a) pH 4.00 and (b) pH 9.00.
How many gms of H2O must be combined to 519.5 gms of methanol at 20°C to have an osmotic pressure of 408 mm of Hg? Methanol density = 0.8921 g/mL.
14 grams of water at 298 K are placed in an evacuated steel container whose volume is 10 L. If we assume that the volume of the liquid water may be ignored relative to the volume of the container, answer each of the following question
How many grams of Cu metal (63.55 g/mol) will be plated out of a Cu(NO3)2 solution by passing a current of 3.00 amperes for 11 minutes?
A solution that is known to contain come of the soluble ions from group 1 and no other cations or inteferring substances, 12 drops of 6M hydrochloric acid is added and no precipoiate forms.To clear solution is evaporated to half its volume and 12 ..
Using the values from Appendix C, calculate the value of change H degrees for each of the following reactions
calculate the amount in grams of calcium sulfate which is formed when 185 grams of calcium fluoride are reacted with excess sulfuric acid.
A piston has an external pressure of 14.0 torr. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.530 liters.
Calculate the final temperature of 33 ml of ethanol initially at 20 degrees Celsius upon absorption of 541 J of heat. (density of ethanol =0.789 g/ml)?
If a 2.1 L reaction vessel initially contains 723 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr ?
Hydrogen cyanide is prepared from ammonia (NH3) and natural gas (CH4).2 NH3 (g) + 3 O2 (g) + 2 CH4 (g) → 2 HCN (g) + 6 H2O (g)
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