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can someone please show me how to draw 2-bromo-3,3-dimethyl-pentane according to Markovnikov's rule
which element has the greatest density at STP? and why?
A student obtains a vinegar solution having an acetic acid concentration of 0.8512 M. What volume of 0.1036 M NaOH will be required to reach the equivalence point when 25.00 mL of the vinegar solution is titrated?
NaOH + CO2 -→ Na2CO3 + H2O . If the average human body discharges 536 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft?
Calculate the molar solubility of barium sulfate a) in water , b), in a solution containing 0.60 M of sodium sulfate.
What would be the formula for the compound sample If a sample of a compound contains 1.36 mol of nitrogen atoms and 2.72 mol of oxygen atoms?
CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?
The rate at which equilibrium is established depends on the rate at which collisions occur. Estimate the number of collisions/(m3 s) among all molecules of air at 1.0 atm pressure and 0 C.
Another solution of the same chemical is measured under the same conditions and has an absorbance of 0.81. What is its concentration?
How much heat does it take to change solid ice at 0 degrees Celcius to steam at 100 degrees Celcius?
calcutate the molecular weight of surfur if 35.5 grams of sulfur dissolve in 100 grams of CS2 to produce a solution that has a boiling point of 49.48c.
A reaction has molar entropy change of -15 J/mol and molar enthalpy change of -12kJ/mol. What is the temperature requirement for this reaction to be spontaneous
What are the primary uses of the 3 products mentioned? 2.) What are the ACTIVE ingredients?
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