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A compound contains 10.13% C, and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 236g/mol
Being that the active ingredient is Mg(OH)2, which decomposed to form Mg2+ and OH- ions. What are the two ways to increase solubility of Mg(OH)2 either before you take it or when it gets in the stomach
classify the reactions below as synthesis, decomposition, single replacement(cationic or anionic) or double replacement
showing how the Gibbs energy (G) changes with increasing pressure at constant entropy? Related equation dT/dP at constant S = V/ Cp
when an irregularly shaped chunk of silicon weighing 8.763 g was placed in a graduated cylinder containing 25.00 mL of water, the water level in the cylinder rose to 28.76 mL. What is the density of silicon in g/cm3?
What amount of HCl gas must be added to 1.00 L of a buffer solution that contains [acetic acid]=2.0M and [acetate]=1.0M in order to produce a solution with pH= 4.16
Determine the concentration of the original Na 2 C 2 O 4 solution and disodium oxalate in the presence of excess acid.
The density of mercury (Hg, a liquid metal) is 13.6 g/mL. What volume would 305.4 grams of mercury occupy
What volume and mass of steam at 100.°C and 1.00 atm would, during condensation, release the same amount of heat as 100. cm3 of liquid water during freezing.
What is the concentration of hydrogen ions in a solution containing 0.321 M HOCN (cyanic acid) and 0.223 M (NaOCN) (sodium cyanate)? The ionization constant of cyanic acid is 3.5 × 10-4.
Calculate the amount of work done against an atmospheric pressure of 1.00 atm when 500.0 g of zinc dissolves in excess acid at 30.0°C. Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)
If the initial concentration of A=2.5 mol/L, the initial [B]=1.4 mol/L, and the rate =0.29 moles of product per liter per minute (M/min). Calculate the rate constant K to 2 decimal places.
Based on the solubility rules, which of these processes will occur when a solution containing about 0.1 g of Pb(NO3)2(aq) is mixed with a solution containing 0.1 g of KI(aq)/100 mL
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