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a certain substance has a heat vaporization of 45.50kj/mol. At what kelvin temperature will the vapor pressure be 3.0 times high than it was 295k?
A constant electric current flows for 3.75 h through two electrolytic cells connected in series. One contains a solution of AgNO3 and the second a solution of CuCl2. During this time 1.50 g of silver are deposited in the first cell.
Problem- The concentration of CuSO4 is 0.001 M. Write the charge balance equation for this solution. Remember that it is dissolved in water. Write the mass balance equation for Mg3(PO4)2
An aerosol can has a gas pressure of 138 kPa at 293 K. Calculate the pressure when the can is heated to 506 K.
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, in a flask with V = 140.612 mL at 23.5?C. Calculate the initial and final pressure (atm).
What is the pH of a 0.175-M potassium formate solution, KHCOO? The ionization of formic acid is 2.1 x 10^-4
Complete the two half reactions for the Pt electrode. (c) Write two correct Nernst equations for the cell voltage
Why can the nature of the metal salt precursor be changed during the epoxide addition method so easily without altering
Calculate the molarity of sodium ions in a solution made by diluting 50.0 mL of 0.874 M sodium sulfide solution to a total volume of 250.0 mL
a solution of ammonia and water contains 2.40times1025 water molecules and 5.50times1024 ammonia molecules. how many
If glass beads in the lab were replaced by a material with less surface area, will liquid seperation be better or worse
calculate the vapor pressure lowering of water when 5.67 g of glucose c6h12o6 is dissolved in 25.2 g of water at 25
Problem- A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by
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