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Were doing a lab and im asked to calculate the molar heat of vaporization of water, the data I have is the temperature at which as small beaker started with, 22.85 Celsius and the temperature it boiled at, which is 99.8 Celsius. How do i calculate heat of vaporization with this?
What is the name of the product and it's structural formula between 2-propanol and benzoic acid
Calculate the concentration of cadium chloride contaminant in the original groundwater sample. Round your answer to 2 important digits.
Scrubbers use aqueous slurries of calcium hydroxide to remove the SO2 from flue gases. Write a balanced equation for this reaction
Two hypothetical ionic compounds are discovered with the chemical formulas XCl2 and YCl2, where X and Y represent symbols of the imaginary elements. Chemical analysis of the two compounds reveals that 0.25 mol XCl2 has a mass of 100.0 g and 0.50 m..
0.1 M solutions of K2SO4, Ni(NO3)2, and LiC2H3O2 are prepared. Describe each salt as acidic, basic or neutral. Explain your choice.
A 21.70mL volume of 0.0940 M NaOH is required to reach the phenolphthalein endpoint in the titration of a 3.06g sample of vinegar. calculate the number of moles of acetic acid in the vinegar sample.
Because of its semiconducting properties, is sometimes used in electronic devices. The band gap energy for is 2.40 . What is wavelength of a photon with this energy
if 19.65mL of .145M nitric acid is required ti neutralize 50.0mL of barium hydroxide what is the molar concentration of the base? 2HNO3+Ba(OH)2-->Ba(NO3)2+2H2O
Given a stock solution of a food dye having a concentration of 1.0 x 10-5 and an absorbance of 0.700. If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 15.4 mL of distilled water, what should the absorbance of the ..
Write a balanced overall equation for each isomer of stilbene (cis and trans)
1. calculate the numbers of moles of 2-butanol that needed to dissolved in ethenol125gms just to form 12 m 2 butanol
Two separate containers filled with nitrogen gas, each contain 0.16 moles of gas. Container 1 has a volume of 0.188 L at a temp of 169.2 K. The second container is kept at 247.8 K. What is the volume (in liters) of nitrogen gas in container 2? Con..
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