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For a particular redox reaction MnO2 is oxidized and Ag+ is reduced to Ag write a balanced equation
The volume of a mass of gas is 300ml at 25 degree celcius and 685 torr.
How would you prepare 2-chloro-2-methyloctane in a lab begining with 2-methyl-2-octene and hydrochloric acid? It is reacted over heat with Ch2Cl2.
The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00C to 27.30C? The density of liquid bromine: 3.12 g/mL
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation? The Ksp for MgF2 is 6.4×10-9. Answer in units of grams/L.
What types of limitations and obstacles must any plausible origin of life scenario overcome, and why did Crick believe life couldn't have formed on Earth?
the dilute acid solution and titrate it with standard solution. You need 19.0mL of the standard solution to reach the end point. what is the concentration of the original acid solution?
Calculate the molar enthalpy of combustion of Phosphorous when this combustion process was carried out under the constant pressure?
Explain which of the following choices has the compounds correctly arranged in order of increasing solubility in water?
the atomic masses of 6Li and 7 Li are 6.0151 amu and 7.0160 amu. Calculate the neutral abundance of each isotope. The average atomic mass of Li is 6.941 amu
A 43.0 g sample of ethylene glycol, HOCH2CH2OH, is dissolved in 540.0 g of water. The vapor pressure of water at 32°C is 35.7 mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32°C ?
despite its name, is at least mildly toxic. The properly balanced mixture reacts to form K2CO3, N2, H2O and CO2. Write the balanced reaction and determine the mass of kno3 that should be mixed with 1.4 g of sugar to produce optimally balanced rock..
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
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