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Water plays a critical role in weather pat- terns and climate. What property exhibited by water causes this?
1. Water is a colorless molecule so it allows visible and infrared light to pass through the atmosphere to reach Earth's surface.
2. Water has a very high specific heat and so can absorb and store a lot of heat energy.
3. Water has a very low boiling point rela- tive to a lot of other components of the atmo- sphere so it does not trap much heat energy, leaving it free to participate in reactions with those other components.
4. Water is a very small molecule so it takes very little heat energy to raise its temperature significantly.
A 50.0 mL solution of NH3 was titrated with 0.100 M HNO3. The volume of titrant required to reach the equivalence point was determined to equal 38.25 mL (Kb = 1.8 x 10^-5). what is the pH of the solution after 20.0 mL of HNO3 were added
Come up with guess as well as then confirm a mechanism that is consistent with the experimentally found reaction rate for the subsequent reaction- 2A+B -> A2B
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.496 M HNO2 (Ka for HNO2 = 4.0 × 10-4). What is the equilibrium concentration of NO2- ions?
identify the spectator ion s in the following equationhclaq li2co3aq rarr lihco3aq
Which elements exist as molecular species in their most stable states at 25 degrees C and 1 atm? iodine, magnesium, sulfur, cesium, carbon, oxygen, phosphorus, neon
Problem- What volume of 0.163M Na3PO4 solution is necessary to completely react with 93.6mL of 0.114M CuCl2
a manometer connected to a pipe in which a fluid is flowing indicates a negative guage pressure head of 50mm of
What is the purpose of a hot filtration in a recrystallization. When would a hot filtration step not be necessary or useful in a purification by recrystallization? What experimental observation of the hot solution would let you know that it was no..
What mass of Ar gas (in g) is contained in a 6.40 L tank in which its pressure is 0.703 atm and the temperature is 64.0°C? Do not enter units.
What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg.
Identify what complementary functional group would need to be present in the neuraminidase active site for (a) hydrogen bonding and (b) ioic interactions to oseltamivir to be observed?
A rigid container of O2 has a pressure of 388kPa at a temperature of 713K. What is the pressure at 273K.
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