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Explain why the element bromine prefers to have its two atoms form covalent bonds rather than ionic bonds. Exactly what is wrong with ionic bonds with this molecule?
Use bond enthalpies to estimate the enthalpy change for the following gas-phase reaction.
Calculate the pH during the titration of 30.00 ml of 0.1000 M KOH with 0.1000 M HBr solution after the following additions of acid.
14 g of Si reacts with 16 g of O to produce SiO2, the only product, with no reactant left over. How much SiO2 would be produced from 34 g of Si and excess O?
A 48.1 mL sample of gas in a cylinder equipped with a piston is warmed from 22 degrees C to 90 degrees C. what is the volume at final temperature?
Hom much .200M KOH is required to completely neutralize
how many grams of sulfur dioxide could be formed in a mixture of 128 grams of sulfur and 100 grams of oxygen are mixed and ignited.
Which of the following describes the best way to prepare 500. mL of a 0.20 M solution of benzene (C6H6?)?(78.11 g /?mol) dissolved in carbon tetrachloride (CCl4?)?(153.82 g /?mol).
A vapor composed of 0.45 mole fraction ethanol and 0.55 mole fraction acetic acid at 120.0 mmHg (absolute), is in equilibrium with a liquid phase also composed of ethanol and acetic acid.
Please explain, in deatail, how you would go about experimentaly determining the mechanism of the following reaction
A solution is made from ethanol, C2H5OH, and water is 1.60 m in ethanol. How many grams of C2H5OH are contained per 230. g of water?
Suppose you have a 250 mL glass bulb containing an unknown amount of PCl3 gas. If the bulb contains 1.5 atm of PCl3 at 25C
What volume in mL of 0.075 M NaOH is required to neutralize the following solutions? A. 200 mL of a 0.0500 M H2C2O4(diprotic acid) solution.
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