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What the most reactive in water , magnesium , calcium , or aluminum , why?
whats the most reactive in hci , magnesium , or aluminum , why?
a natural product mw150 distills with steam at a boiling temperature of 99 degrees celsius at atmospheric pressure. the
When you heat baking soda (NaHCO3), it breaks down into sodium carbonate powder (Na2CO3), carbon dioxide and water vapor. Write a correct thermo chemical equation and explain what it tells you about the reaction ( The enthalpy of this reaction is ..
molecular orbital theory compare these species with regard to A. their magnetic character B. net number of pie bonds C. bond orber, and D. bond length
Problem- A buffer is prepared from 0.25 mol benzoic acid and 0.15 mol sodium benzoate in 500 mL solution. a. What is the pH of the buffer? b. If 6.2 g of KOH are added to the buffer will the capacity be exceeded? c. Calculate the pH after KOH addi..
How many constitutionally isomeric monochlorides can be formed on free-radical chlorination of 2,3,3-trimethylpentane? 2,3,3-trimethylpentane + Cl2 Heat
You are given the following boiling point data: Which of the liquids would you expect to have the highest vapor pressure at room temperature
calculate the energy involved in the conversion of 272 g of steam at 373 K to ice at 243 K. Be sure to use the correct sign.
The indicator changes color signaling that the equivalence point has been reached after 14.0 mL of the hydrochloric acid solution has been added. What is the molar mass of the metal hydroxide
a given mass of neon gas has a volume of 25.0 liters at a pressure of .75 atm. if the pressure is changed to 300.0 torr and the temperature remains constant , what will the volume of neon be
To find the pKa of X-281, you prepare a 0.087M test solution of X-281. The pH of the solution is determined to be 2.40. What is the pKa of X-281?
C12H22O11(aq) + 3 O2(g) 2 H3C6H5O7(aq) + 3 H2O(l) Determine the mass of citric acid produced when 4.60 mol C12H22O11 is used.
The partial charge on the phosphorus atom in the PO4(-3) ion is +2.52. What is the partial charge on each oxygen atom
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