Why is h2s a gas at room temperature and h2o a liquid
h2s and h2o have similar structures and their central atoms belond to the same group. why is h2s a gas at room temperature and h2o a liquid? explain using principles of bonding.
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IF 4.50 mole of ethane undergo combustion according to the unbalanced equation C2H6+O2=CO2+H2O how many moles of oxygen are required?
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535 g piece of copper tubing is heated to 91.5°C and placed in an insulated vessel containing 58.5 g of water at 29.5°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K, what is the final temperature of the system (c of
how to calculate the enthalpy of air at -80 degree centigrade temp and -161 degree centigrade at 37 barg and 4 barg respectively.
How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
The recommended adult dose of Elixophyllin, a drug used to treat asthma, is 6 mg/kg of body mass. Calculate the dose in milligrams for a 140-lb person.
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