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In a simple stain what would be the consequence of leaving a stain on for too long? What would be the result if you did not leave the stain on long enough?
How many grams of F2 are needed to produce 158 g of PF3 if the reaction has a 79.8% yield?
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
Tennantite is an ore of copper with a formula of Cu12As4S13. How many moles of copper are in tennatite with a mass of 19850 grams?
A solution of 5.00 g of lauryl alcohol in 0.100 kg of benzene freezes at 4.1C. Explain what is the approximate molar mass of lauryl alcohol. Explain the normal freezing point of benzene is 5.5C, as well as Kf for benzene is 5.12 C/m
Question- Explain why the general trend exists for elements getting smaller as you move across a period on the periodic table.
A certain toilet cleaner uses NaHSO4 as its active ingredient. In an analysis, 0.500 g of the cleaner was dissolved in 30.0 mL of distilled water and required 57.4 mL of 0.00535 M NaOH for complete neutralization in a titration.
Problem- After 71.0 minutes 42.0 percent of a compound is decomposed. What is the half life of the reaction assuming first order kinetics
A copper wire (density = 8.96 g/cm3) has a diameter of 0.26 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?
A sample of a gas at 0.91 atm occupies a volume of 374 mL. If the temperature remains constant, what will be the new pressure if the volume increases to 265 mL?
draw the structure of a compound C5H8O that reacts with 2,4-dinitrophenylhydrazine, decolorizes bromine in dichloromethane, but does not give a positive iodoform test.
Acid rain with a pH as low as 1.5 has been recorded in West Virginia. What is the H3O+ concentration in this acid rain and how many grams of HNO3 must be dissolved to make 25L of solution that has a pH of 1.5
a 309 ml sample of unknown hcl solution reacts completely with na2co3 to form 10.1 g co2. what was the concentration of
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