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How many standard units are generally used to describe the mechanics of nature? What does density describe? In general, when a derived unit becomes complicated (involves too many standard units), what is done?
Question- The hydroxyl radical (OH) is an important oxidizing agent in the atmosphere. At 298 K the rate constant for the reaction of OH with benzene is 1.24?10?12 cm3molecule?1 s?1. Calculate the value of the rate constant in L mol?1 s?1.
What is conductometer - uses of coductometer
What is the molar solubility of CaF2 in 0.10 M NaF solution at 25°C? The Ksp for CaF2 is 1.5x10^-10.
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.
A 0.032 mol sample of gas occupies a volume of 350ml at 300K. What is the pressure of the gas?
Prepare a qualitative Born-Haber cycle to explain why only the most electropositive elements form saline hydrides
A 0.521-g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.45 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar..
determine the number of sensors required and the cost of auxiliary power in a facility that provides hot water to a
Explain why, in 3 H spectra the relative intensities of lines within a triplet are 1:2:1. The signal for CDC3 I is a triplet with relative intensities of 1:1:1
Consider the cell prepared with 2.0 M Cd2+ and 0.45 M Zn2+ solutions: Zn(s) + Cd2+(aq) --- Zn2+(aq) + Cd(s)
when 50ml of 0.500m hcl at 25c is added to 50ml of 0.500m naoh at 25c in a coffee cup calorimeter the temperature of
Explain how you would prepare this buffer solution. Be specific about the volumes of the solutions you would use.
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