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Given the following info, Find the acid concentration. pH = 4.72[Ac-] = 0.125Ka = 1.8x10-5
*Remember, numbers in front of decimal of pH are not sigfigs.
Silicon is the fundamental component of integrated circuits. Si has the same structure as diamond. Is Si a molecular metallic, ionic, or covalent-network solid?
Until the early 1960s the group 8A elements were called the inert gases; before that they were called the rare gases. The term rare gases was dropped after it was discovered that argon accounts for roughly 1% of Earth's atmosphere. Why was the ter..
iron iii oxide reacts with carbon to give iron and carbon monoxide.fe2o3s 3cs ---gt2fes 3cogpart a how many grams of
Show how you would accomplish the following transformations (each arrow may represent multiple reaction steps): a) Benzene --> Acetophenone --> Styrene
The heat capacity of liquid water is 4.18 J/g·°C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67°C into 1.00 g of steam at 100°C
Explain 3-A 0.421 g sample of aspirin prepared in the laboratory is dissolved in 95% ethanol, diluted with water, and titrated to a phenolphthalein endpoint with 17.3 mL of 0.114 M NaOH. What is the percent purity of aspirin in the sample?
minor component that can be hydrolyzed to yield eugenol and acetic acid. What is the structure of the minor component, which has the molecular formula C12H14O3
the final temperature of the cu? I tried to use Q=MS(delta)T and solve for the tinal temp instead of the change in temp but kept getting 45°c.
Homer then went to bed with the intent of sleeping off his entire caloric intake of beer. Assuming he falls asleep at 2:00 AM Wednesday morning, when should he wake up?
Why is it impractical to measure cell potentials of solutions in which the Fe(II)/Fe(III) molality ratio is too small (or large)
Salicylic Acid is used to make asprin. Salicylic acid contains 60.8 mass % Carbon, 4.4 mass % Hydrogen and 34.8 madd % of Oxygen. What is the empirical formula for Salicylic acid?
For the equilibrium H2(g)+ CO2 (g) H20 (g) + CO(g) Kc = 3.18 at 1106K. If each of the four species was initially present at a concentration of 3.000M, calculate the equilibrium concentration of the CO(g) at this temperature
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