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Describe the technique you would use to deteremine the density of a 5 gram sample of gasonline or granular sugar at 20 degrees celcius and 1 atmosphere pressure
an a group metal m reacts with chlorine and oxygen to form ionic compounds with the formulas mcl4 and mo2. propose a
Calculate the pH of a solution that contains 0.050 M formic acid and 0.10 M sodium formate.
if you make a mistake and deliver less than 50.00 ml of hcl to the erlenmeyer flask what effect will this have on the
How many mL of 1 M NaOH solution do you add to a 250mL flask and bring it to volume with deionized water to make o.12 M NaOH solution
Calculate the pH of the following solutions with the given [H+] or [OH-] and indicate whether the solution is acidic or basic
Solution is prepared by dissolving 276 g of sucrose (C H O olution is prepared by dissolving 276 g of sucrose (C 12 H 22 O 11) in 624 g of water. What is the vapor pressure of this solution
How many kilograms of chalcopyrite must be mined to obtain 320.g of pure \rm Cu? Express your answer to three significant figures and include the appropriate units.
1In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced chemical equation describing this reaction (using lowest whole-number coefficients).
If you add 0.35 g NaF to 150 mL of a 0.30 M HF, what is the pH of the resulting solution?
Use the appropriate standard reduction potential to calculate the value of K at 25 C for the reaction. NiO2(s) + 2Cl-(aq) + 4H+(aq) --> Cl2(g) + Ni2+(aq) + 2H2O(l)
Write the structure for the organic reagents and products, name the products and indicate stereochemistry when appropriate
The solubility of nitrogen gas in water at 0 degree celcius and 1.0 atm is 23.54 mL per liter of the solution. (a) Calculate the Henry Law constant at 0 degree celcius
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