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Some physical properties of water are shown below.
freezing point 0.00°Cboiling point 100.00°CKf 1.86°C/mKb 0.512°C/mWhat is the freezing point of a solution of sodium chloride that contains 97.0 g NaCl dissolved in 545 g of water? Use molar masses with at least as many significant figures as the data given.1°CWhat is the boiling point of the solution? Enter the answer with two decimal places.2°C
Draw and label the flowchart and show the degree of freedom analysis for the overall process, the split point, the treatment unit, and the mix point.
Determine How many moles each of Na+ and Cl- are in 0.800 L A physiological saline solution contains 172mEq/ L each of Na+ and Cl-of the saline solution?
A 12V automotive lead-acid battery. Each anode/cathode pair in this schematic cutaway produces a voltage of about 2V. Six pairs of electrodes are connected in series, producing12V.
The products include Cr3+ ion and I2. What was reduced in the reaction and what was the reducing agent?
what is the density of 53.4 wt% aqueous NaOH if 16.7 mL of the solution diluted to 2.00L gives 0.169M NaOH
You run a metathetical reaction and produce NaCl as one of the products. Since NaCl is soluble in water, how can you ever recover solid NaCl to prove that you made it
A gas expands and does P-V work on the surroundings equal to 285 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
Find the percent by mass of sodium chloride in a 1.25M NACL solution. The density of the solution is 1.06g/ml.
A system expands in volume from 2.0 L to 24.5 L at constant temperature. Calculate the work (w) if the expansion occurs against a constant pressure of 5.00 atm.
What is the concentration of iron in the steel sample? Express your answer as grams of Fe per grams of steel (g Fe2 / g steel).
Which element will have five electrons in its Lewis symbol? a. argon b. boron
Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10-8
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