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Arrange the subsequent aqueous solutions in order of rising freezing points(lowest to highest temperature): 0.10m glucose, 0.10m BaCl2 , 0.20m NaCl, and 0.20m Na2SO4
how does the first ionizaiton energy of the alkali metal in a given period compare with the first ionization energy of the halogen in the same period. what is the result in terms of how these elements tend to react with each other
The flask shown here contains 0.214 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.310 M NaOH. What volume of base is needed to reach the end point of the titration
find the density of a substance with a mass of 51.2g and a volume of
How many micrograms of fluoride are present in 2.0 g of a solution that has a fluoride concentration
Assuming the mixture has the same specific heat (4.184J/goC) and density (1.00 g/cm3) as water, calculate the heat (in J) transferred to the surroundings
sketch the curves for the distribution of energy states and their electron popultaions for a metallic conductor, an insulator
Why does the addition of the NO2+ to the acidic solution of acetanilide need to be performed at a cold temperature. What products would form if the temperature is not kept cold
Write the formula of all the different carbon dioxide molecules that can be formed from these samples. Which molecule has the largest mass?
Our simple pH meter that we have used before works on the principles deiscussed on page 829. What cell voltage would you expect from the pH probe if it is place into a beaker containing 50 mL of 1M HCl diluted with 50 mL of distilled water
likely to exhibit a stable +2 oxidation state? What are their electronic configurations
Hydrobromic acid reacts with potassium carbonate to form potassium bromide,carbon dioxide , and water. Barney the incompetent lab tech accidently knocked a flask containing 255ml of 0.500 M hydrobromic acid onto the floor, and now he has to clean ..
Calculate the solubility of Carbon Dioxide in water at an atmospheric pressure of .50 atm.( a typical value at high altitude). Atmospheric Gas: CO2 Mole Fraction
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