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(a) What is the SI unit of power?
(b) Show that in terms of fundamental units, the units of power are kgm2/s3.
suppose .853L of H2 is collected at 15 degrees celcius and 782 mmHg. how much electricity in coulombs must have passed through the solution
Compute the number of gms of CoCl2 that would be needed to prepare the solutions:(a) 550 mL of a 1.75 M solution (b) 210 mL of a 0.0180 M solution.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n=3 to n=1
How much heat is evolved in converting 1.00 mol of steam at 155.0C to ice at -45.0°C? The heat capacity of steam is 2.01 J/(g⋅°C) and of ice is 2.09 J/(g⋅°C)
What volume of a 0.175 M barium hydroxide solution is required to neutralize 22.9 mL of a 0.388 M perchloric acid solution?
Calculate an approximate delta_h in kilojoules for the industrial synthesis of ethyl alcohol from ethylene: C2H4(g) + H2O(g) -> C2H5OH
The following program is written in Visual Basic, however it has an error. Rewrite this program to work in PHP to work correctly. Include comments and the program execution output. Option Implicit Public Sub cmdReverse_Click() Dim phrase as String
Would you expect the packing efficiency of atoms in a crystalline solid be greater or less than that in the liquid form of the same element. Explain
You have 493 mL of chlorine trifluoride gas at 699mmHg and 45 degrees Celsius. What is the mass (in grams) of the sample.
Problem- Consider the titration of a 21.0?mL sample of 0.100M HC2H3O2 with 0.130M NaOH. Determine each of the following.
The oxidation of 748g of ammonium with 740g of Oxygen produces water and nitrogenoxide. Draw a chemical spread sheet to show what happens during a chemical reaction.
what happened when caco3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about naoh
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