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The activation energy for a reaction is 37.6 kJ/ mol. The rate constant for the reaction is 5.4 x 10^3 at 45 degrees Celcius. Calculate the rate constant at 145 degrees celcius
What is the molecular mass for a gas that has a density of 16.1 g/L at 25oC and 3.00 atm pressure
If a reaction vessel contains 50.0 of carbon dioxide and 25.0g lithium hydroxide what mass of lithium carbonate can be produced?
What substances are present after the reaction is over? (Hint: Write a balanced chemical equation for the reaction first.) How many grams of water are formed?
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
A 270- flask contains pure helium at a pressure of 755 . A second flask with a volume of 485 contains pure argon at a pressure of 727 torr.
Calculate the solubility of Ba(IO3)2 in 0.033 M solution of Mg(IO3)2 considering both the electolyte and common ion effects. Ba(IO3)2 Ksp
If this codon is mutated to the sequence 5'-UUG-3' what is the expected consequence for the cell
The volume of oxygen collected over water is 226 mL at 25°C and 503.0 torr. Calculate the dry volume in milliliters of oxygen at STP.
This is the reaction that occurs for a bunsen burner, which is a source of heat for chemical reactions in the laboratory. CH4(g) + 2O(g) CO2(g) + 2H2O (g); for the system at equilibrium, which of the following explains what happens to the equili..
calculate percent ionization of benzoic acid for a .7 M and a .0007 M solution. If the original concentration of HCOOH was .4 M and the toal molarity of particles at equilibrium is .406 M, what is the concentration of HCOOH at equilibrium
A compound is found to be 30.45% N and 69.55 % O by mass. If 1.63 g of this compound occupy 389 mL at 0.00°C and 775 mm Hg, what is the molecular formula of the compound.
When 50 mL of water contains 0.50 moles HCl at 22.5 degrees celsius is added to 50.0mL of water containing 0.50 mol NaOH at 22.5 degrees celsius in a calorimeter, the temperature of the solution increases to 26.0 degrees celsius.
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