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Balance the following equations and point out the reductant and oxidant in each equation. May need to add H+ or H2O to some equations. e. SnCl6^2- + Fe(CN)6^4- = SnCl4^2- + Fe(CN)6^3- f. HgCl4^2- + H2 --> Hg2Cl2 + H^+
Which of the following chlorides is the most ionic. Please explain a) CH2Cl2 b) SiCl4 c) SCl2 d) PbCl2
A substance has a solubility of 350 ppm. How many grams of the substance are present in 1.0 L of a saturated solution.
For each of the following processes, decide whether it is spontaneous or non-spontaneous.
How many mL of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 mL of ethanol? The Molar Mass of ethanol is 46.07g/mol.
determine the binding energy of an F-19 nucleus. the F-19 nucleus has a mass of 18.99849325 amu. a proton has a mass of 1.00728 amu and neutron has a mass of
1. my doctor only measures medicine in scruples. (old unit of mass) If he prescribed 0.382 scruples of medicine, how many milligrams should I ask for at the pharmacy? 1ounce=437.5 grains 1 scruple=20 grains 1ounce=28.35
certain metals can be extracted from their salts usually halides those containing group 17 elements such as chlorine
The molar ratio of nitrogen to methane is known to be 0.26. Find the mole fraction and mass fraction of each component, and the average molecular weight of the mixture.
in a bromine-producing plant how many liters of gaseous elemental bromine at 300 degrees celcius and 0.855 atm are
The Henry's law constant for helium gas in water at 30°C is 3.7 10-4 M/atm; that for N2 at 30°C is 6.0 10-4 M/atm. If the two gases are each present at 1.2 atm pressure, calculate the solubility of each gas. What is the Molarity of He and N2
The vapor pressure of liquid Nickel at 1606° C is 0.100 torr, whereas at 1805° C, its vapor pressure is 1.000 torr. At what temperature does the liquid have a vapor pressure of 2.500 torr
How many joules of heat are required to heat 143 g of aluminum from 55.0 oC to 66.5oC?
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