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A particular first-order reaction has a rate constant of 1.35 × 102 s-1 at 25°C. What is the magnitude of k at 75°C if Ea=85.6 kJ/mol
How many joules are required to raise the temperature of 80g of iron from 20 degrees celsius to 70 degrees celsius?
What mass of PbCl2 is formed from mixing 0.334 L of 0.112 molar NaCl with 2.12 L of 0.0343 molar Pb(NO3)2?
Determine What is the percent by mass of sodium phosphate in a 0.142M Na 3 PO 4 (aq) solution? If it is given that it has a density =1.015g/mol.
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
The atmospheric pressure at the summit of mount mckinley is 575 mmHg on a certain day. What is the pressure in atmospheres and in kilopascals?
A zero-order reaction has a constant rate of 3.20×10-4 . If after 60.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
Do I solve this assuming that there are 1.6mL of ethylenediamine in the solution, and somehow use the density of water to calculate?
Explain the use of nuclear isotope in medical field and Write a paragraph expaining what nuclear isotope can be used for medical purpose
How long would it take for 1.50 mol of water at 100.0 0C to be converted completely into steam if heat were added at a constant rate of 19.0 J/s?
How much of a 6.0 M sucrose solution should be used to make 79.0 mL of a 0.055 M solution.
If you have 240.0 mL of water at 25.00 °C and add 100.0 mL of water at 95.00 °C, what is the final temperature of the mixture.
Sulfur trioxide dissolve in water, producing H2SO4. How much sulfuric acid can be produced from 13.5 mL of water and 26.1g of SO3?
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