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A solution is prepared by dissolving 0.2222 g of KIO3 in 50mL. Find the molarity and its uncertainty with an approximate number of significant figures
an archeologist unearths a skeleton of a mastodon. analysis shows the skeleton to a carbon-14 activity of 2 cmp counts
A solution of 5.36 g of a molecular compound dissolved in 76.8 g benzene (C6H6) and has a boiling point of 81.46oC. What is the molar mass of the compound
Chlorination via radical halogenation is a very unselective process and can lead to the formation of all three of the below products. Estimate the relative percentages of each product that will be formed using this means of halogenation. Presume t..
Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 25.9 L of fresh water at 20 °C with an applied pressure of 65.0 bar.
A graduated cylinder contains 10.0ml of water. If the volume of a single water molecule is 2.99 x 10e-23 cm e3, how many molecules are in the graduated cylinder?
calculate the work if the gas is now re-compressed to 2liter by reapplying the 8bar of pressure. assume that the process is carried out reversibly and isothermally
A silver electrode is placed in a saturated solution of AgBr. This half-cell is connected to a standard hydrogen electrode and the voltage is found to be +0.437 V. Calculate Ksp for AgBr.
Chlorine has two stable isotopes, 35Cl and 37Cl. If a sample of chlorine has an average molar mass of 36.127139 g/mol, what percent of the sample is composed of the lighter isotope, 35Cl
what volume of 0.150 M KCl solution is required to react completely with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the chemical reaction
What percentage (by mass) of trichloroethane is left as a liquid when equilibrium is established
A solution is prepared by mixing 0.3355 moles of NaNO3(84.995g mol^-1) with 235.0g of water(18.015g mol^-1). It's density is 1.0733g ml^-1. What is the morality of the solution and percent by weight of sodium nitrate
use average bond energies to estimate the energy change in kjmol for the reaction all bonds are single bonds except as
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