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How do the values of delta G compare to those calculated from delta H and delta S? which of these two methods could be used to determine how delta G changes with temp?
concentrated hydrofluoric acid is 28.9M and has a density of 1.18g/mL. What is the weight percent of concentrated HF?
How would the following modifications of the experimental procedure used in this experiment affect the mass of the precipitate collected? Indicate whether the mass would be greater than, unchanges, or less than that obtained. Briefly explain the a..
What is the value of x in the formula for the hydrate? hint: remember that x represents the ratio of moles of H2O to moles of hydrate compound, and that moles of hydrate
how far will they be separated (in cm) from each other on a plate when the solvent front is developed to 15cm? Draw an approximate picture if what the TLC slide would look like.
55.0 calories of heat are added to a small lead block. If the temperature of the lead increases from 27.0°C to 59.2°C, what must be the mass of the lead block?
Given the concentration of organic carbon in a soil sample and the soils bulk density, be able to calculate the mass of organic carbon
A car battery contains 1.0 L of 4.3 M sulfuric acid. Using the value in your answer to question E., calculate how many TUMS® tablets would be required to neutralize all the sulfuric acid in a car battery.
Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 \rm J/(g\K), as water over this temperature range. I got 1.64 x 10^20 photons for my answer, but i keep getting told that x 10 is not supposed to be in the ..
he sample required 5.5 mL of 0.0019 M NaOH to titrate the sample to neutrality. What was the pH of the gastric juice?
The number of different constitutional isomers that can be drawn for C2H4Br2 is equal to
In a vessel with a volume 3 m^3 you put 0.03m^3 of liquid water and 2.97m^3 of water vapor so the pressure is 101.33 kPa.
A buffer is prepared by mixing 675 mL of 0.50 M formic acid, HCHO2, and 325 mL of 0.50 M sodium formate, NaCHO2. Calculate the pH.
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