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How are moles, masses, and volumes of gases calculated from one another for a gas at STP?
A liquid fuel mixture contains 31.95 hexane( C6H14) , 15.50 heptane (C7H16) , and the rest octane(C8H18) . What maximum mass of carbon dioxide is produced by the complete combustion of 11.0 kg of this fuel mixture
Assume that the specific heat of the substance at P=25 bar is temperature independent and equal to c_p=4.20 kJ/kg*K. Sketch the P-v and T-s diagrams of the cycle.
calculate the molar concentration of all the ions remaining in solution after the reaction has taken place ... Cr(III), hydroxide, potassium, nitrate
boiling water at sea level is hotter than boiling water in the mountains. Water used to sterilize surgical equipment is heated to 120 degrees C at 2.0 atm in an autoclave.
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
what is the lewis structure of C2H2Br2, also is it polar or non polar, are there any resonance structures or isomers?
What mass of oxygen gas is required in order to release 6670 kJ of heat to the surroundings by the following reaction
NaF > MgF2 due to the lower molar mass of NaF. d) Si > SiF4 due to covalent-network bonding in Si, versus dispersion forces in SiF4. e) SiO2 > SeO2 due ionic bonding in SiO2 but not in SeO2.
a sample of gas is collected over water at a temperature of 35.0c when the barometric pressure reading is 707 torr.
The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flare produces strontium ions in excited states,
determine the ion notation for an atom withnbsp 18 electrons and 20 protonsenter the expression 14 7 nalpha where
The half life of the radioisotope^ 158,47Eu is 1.0 hr.the decay of a 16.0g sample of the isotope to 1.25g required how many hours
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