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Consider a pipe with a length of 43.5 cm. If the temperature of the air is 19.5 oC and the pipe is closed in one end and open in the other, what is the frequency of the third harmonic for the pipe? Post your answer in hertz (Hz) and with 3 significant figures.
a suppose that 10.0 mol c2h6g is confined to 4.860 dm3nbspat 27degc. predict the pressure exerted by the ethane from a
One way to recrystallize a solute from a solution is to change the temperature. Another way is to evaporate solvent from the solution. A 340 g sample of a saturated solution of KNO3 in water is prepared at 25.0.
An equilibrium mixture of CO, O2 and CO2 at a certain temperature contains 0.0010 M CO2 and 0.0100 M O2. At this temperature, Kc equals 1.4 × 102 for the reaction: 2 CO(g) + O2(g) ? 2 CO2(g). What is the equilibrium concentration of CO
Case Study The Scenario: You are back at your plant the Monday after the Dangerous When Wet leaking tanker incident happened, and you are telling your fellow HazMat Team Coordinator how you handled the situation
when 15.0 g of steam drops in temperature from 275.0 degc to 250.0 degc how much heat energy is released? cp of h2o
Assuming that concentrated HNO3 (70% HNO3) is 16M, what is the molarity of a 1:1 HNO3:Water solution
Completely neutralizes stomach acid (HCl, .10M) How much carbon dioxide is made at STP conditions (37C, 767 torr, 100% humid) by ingesting one 1.834 gram tablet
How techniques for sample digestion and extraction can increase efficiency, throughput and accuracy in drug analysis when utilised prior to separations' methods.
Propose the argument that, for any liquid at atmospheric pressure (that is, a liquid that boils above room temperature when the external pressure is 1 atm), the numerical value of delta Hvap in joules per mole is greater than the numerical value o..
What is the molarity of benzyl alcohol if the molecular weight is 108.14, the volume is 5 mL
A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 5.0 atm. Assume that the total volume of blood in the body is 5.2 L. Calculate the amount of N2 gas released when the diver returns to the surface of water, where th..
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 16.8g of carbon were burned in the presence of 57.4g of oxygen, 12.6g of oxygen remained unreacted. What mass of carbon dioxide was produced
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