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Question: Calculate the concentration of the hydronium ion in a 3.433 * 10^(-2) M solution of potassium perchlorate acid to the correct number of significant figures or decimal places.
Do the three staggered/eclipsed conformations of butane have the same ENERGY?
given that is the central atom draw a lewis structure of in which the formal charges of all atoms are zero.nbspdraw the
The density of iron is 7.87 . What is the mass of a 4.00 4.00 1.00 block of iron? Express your answer to three significant figures and include the appropriate units.
A 2.5 L helium balloon is filled at a florist's shop. If the temperature inside the shop is 68°F, what volume will the helium occupy after being left in an automobile at 5°F in the parking lot for the day
What should the mole percent of oxygen be in the diving gas for the partial pressure of oxygen in the mixture to be 0.21 atm, the same as in air at 1 atm
the world's estimated annual gas reserves in 2006 were 6124 trillion ft3 .The world rate of annual use was 105.5 trillion feet3. How long these reserves will last if the rate of use continues?
carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.
The rate constant for the first order reaction below is K=3.3*10 -2 min -1 at 57 Kelvin. what is the half life for this reaction at 57 Kelvin
A sample of gas has a mass of 0.565 . Its volume is 119 at a temperature of 80 and a pressure of 746 . Find the molar mass of the gas.
A mixture of gases contains 0.34 mole CH4, 0.37 mole C2H6, and 0.48 mole C3H8. The total pressure is 1.50 atm. Calculate the partial pressures of the gases. PCH4 atm PC2H6, atm PC3H8 atm
Oxygen gas has an oxidizing strength comparable to that of nitric acid. Patina is a green or greenish blue coating that forms on copper metal in the environment. Account for its formation.
2-bromooctane in 10 mL ether solution gave an observed rotation of -1.8° in a 10 cm cell at 20°C. Calculate the specific rotation of this solution.
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