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The mass percent of a seawater sample you took in the Santa Monica Bay, CA, is 3.32%. What volume of seawater contains 2.0g of salt? Assume a density of 1.027g/ml.
For the following, identify the process as a spontaneous process, a nonspontaneous process, or an equilibrium process at the specified temperature.
describe in detail the functional groups and their purpose in relation to ph stability spectrum of antibacterial
Problem- 0.00 mL of 1.000M HA (a weak acid) was mixed with a 5.00mL NaOH. Then the mixture was diluted to 50.0mL with water. The pH of the solution reads 5.00.
Question- Ksp of AgCl is 1.6E-10 and the ksp of Ag3PO4 is 1.8e-18 if Ag+ is added without changing the volve to 1.00 L if the two solutions, one containing 0.10 mol PO4^3- calculate the concentration of Ag+ ions in mol/L required to initiate
The metal tungsten crystallizes in a body centered cubic unit cell with one atom per lattice point. When x-rays with wavelength 0.7107 A are used, the second order Bragg reflection from a set of parallel planes in a(n) tungsten crystal is observed..
What is the molar mass when a 12.5855g sample of an unknown compound is dissolved in 32.0000g of water. the resulting solution has a freezing point of -4.3 Kf = 1.858
a voltaic cell with nini2 and coco2 half-cells has the following initial concentrations ni20.80 m co20.20 m. what is
What is the chemical equation (with the states) for lead and sodium sulfide? I know what both of the reactants are, but I am unsure if it is a single displacement of a synthesis reaction.
When 2.150 g of AX (s) dissolves in 200.0 g of water in a coffee-cup calorimeter the temperature rises from 21.2 oC to 32.3 oC. Calculate the enthalpy change (in kJ/mol) for the solution process AX (s) --> A+ (aq) + X- (aq) Assumptions for this calcu..
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3. How many grams of calcium cyanamide are required to react with 417.8 g of water
Calculate the pH of a solution made up from 2.2 g of potassium hydroxide dissolved in 126 mL of 0.23 M perchloric acid. Assume the change in volume due to adding potassium hydroxide is negligible.
The volume of a mass of gas is 950 ml at 700 torr pressure. What volumw will it occupy at 350 torr,the temperature
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