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What mass of KNO3 would have to be decomposed to produce 21.1 L of oxygen measured at STP? 2KNO3---> 2KNO2 +O2
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base NaOH (aq)
In relation to the oxygen atom forming the linkage between glucose molecules, how are the hydrogens attached to the same carbon
The pressure of gas in a 600.0 ml cylinder is 65.0 mmHg. what volume must it be compressed to increase the pressure to 385mmHg
Although the dissociation of an acid is commonly written as indicated in Kw=[H+][OH-] = 1.0 E -14, better representations of the process and the resulting equilibrium expression are
whats the amount of heat required to raise the temperature of 165 g of water from 12.0 C to 88.0 C (sp. heat of H20(l)= 4.18 J/g)
The distance from the earth to the nearest stars is measured in light-years. Convert the distance 7.8 light-years to SI units
a 10.0 g piece of metal at 100 degree celsius is transferred to a calorimeter containing 50.0 ml of water initially at
If the volume is increased to 68.0 at constant temperature, how many collisions will occur per square inch of this larger container. Enter the number of collisions per square inch.
the activation energy for the following reaction is 60. kjmol.sn2 2co3 rarr sn4 2co2by what factor how many times
What mass of hydrogen chloride gas is required to produce 250ml of a hydrochloric acid solution with a pH of 1.57?
The vapor pressure of water at 20°C is 17.5 mmHg. What is the vapor pressure of water over a solution prepared from 2.00 × 102 g of sucrose (C12H22O11, molar mass = 342 g/mol) and 3.50 × 102 g water? 1. 0.51 mmHg 2. 16.0 mmHg 3. 17.0 mmHg 4. 18.0 ..
Benzoic acid, 1.25g , is reacted with oxygen in a constant volume calorimeter to form H2O(l) and CO2(g) at 298 K. The mass of the water in the inner bath is 1.40×103g . The temperature of the calorimeter and its contents rises 2.83K as a result of..
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