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what are some differences between the titration curves of strong acid and strong base versus weak acid and strong base?
if you burn 1.5 mol C3H8 according to the following reaction C3H8 +5O2 = 3CO2 + 4H2O how many grams of carbon dioxide are produced.
The empirical formula for hydride of silicon is SiH4, and it's central atom is silicon. Based on this information, you would expect the empirical
Consider the combustion reaction between 26.0 mL of liquid methanol (density=0.850g/mL) and 13.0 L of oxygen gas measured at STP. The products of the reaction are CO2(g) and H2O(g),
what is the speed of a proton in a linear accelerator has a de Broglie wavelength of 159 rm pm
Consider the change in entropy change that occurs when a box of coins that contains a perfectly ordered array of three moles of coins is shaken. Calculate the entropy of the ordered coins, and then calculate the entropy after the box has been shak..
how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction. 4Na + O2 yields 2Na2O
The vapor pressure of mercury is .0127 torr at 50 degrees celcius and .0888 torr at 80 degrees celcius. calculate the enthalpy of vaporization of mercury
If the pressure exerted by ozone,O3 , in the stratosphere is 3x10^-3 and the temperature is 246 K, how many ozone molecules are in a liter?
The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100°C.
What is the binding energy, in amu, of 13C? Masses are: proton = 1.00728 amu, neutron = 1.00867 amu, electron = 0.00055 amu, and 13C = 13.00335 amu.
A single-stranded RNA phage replicates in E. coli with no DNA intermediates. The following experiments were performed to clarify the phage's mode of replication.
what is the final temperature of A metal sample weighing 34.526 g was heated to 98.0 degrees Celcius then quickly transferred into a styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27.0 degrees celcius.
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