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A spherical balloon of 21cm diameter is to be filled up with H2 (HYDROGEN) at STP from a cylinder containing gas at 20atm and 300K . If the cylinder can hold 2.82L of water . Calculate the no. of balloons that can be filled up in cylinder?
How do the two graphs compare if the frequency factor of the second reaction is higher than the frequency factor of the first reaction but the two reactions have the same activation energy?
Problem- A sample of 8.00L of NH3 (ammonia) gas at 22 ?C and 735 torr is bubbled into a 0.250L solution of 0.400 M HCl (hydrochloric acid).
A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
As a separation and detection method, would TLC or paper chromatography yield better results in the analysis of each of the following pairs of compounds
Compare and describe the 2 different definitions of acids and bases. Explain the difference between a weak acid and a stronge one
How to use goal seek on excel? How to fill in the boxes?
For 0.51 M HCN (Ka=6.2 x 10-10), mark the majorand minor species found in the solution. H+ HCN CN- H2O OH- Now calculate the pH of 0.51 M HCN solution. (Ka=6.2 x 10^-10)
What is the molar mass of 1.00-g sample of gas that occupies a volume of 750 mL at a pressure 725. mm Hg and a temperature of 27.0°C?
The thermostat in a refrigeraor filled with cans of soft drinks malfunctions and the temperature drops to below 0 degree Celsius. The contents of the cans of diet sodas freeze, rupturing many of the cans.
At high temperature, ammonia reduces copper(II) oxide to the free metal: Step 1: 2NH3(g) + 6CuO(s) => N2(g) + 3Cu2O(s) + 3H2O(g) Step 2: 2NH3(g) + 3Cu2O(s) => N2(g) + 6Cu(s) + 3H2O(g)
A researcher conducting a large-scale experiment dissolved 750.0 g of calcium chloride in a tank. The resulting solution was found to have [Cl-] = 0.026 M. If the tank was 0.75 m wide and 1.20 m long, how deep was the tank
a helium balloon is held at 1.2 atm of pressure and 300 K. If the pressure on the balloon increases to 4.2 atm, to what temperature must the balloon be heated , to maintain its same volume?
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