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A gas has a volume of 36.0 L and a pressure of 750. torr when the temperature is 10° C.
What is the pressure if the volume changes to 15.0 L and the temperature changes to 78° C, if the amount of gas stays the same?
What is meant by the primary structure of a protein molecule? How does it differ from the secondary structure of a protein? (2) How are secondary protein structures held together? (3) Discuss the importance of the tertiary and quaternary structures o..
Explain what is the new concentration of Fe3+ if 3.00mL of 0.00200 M iron(III) nitrate is diluted to a total volume of 10.00mL
If 2.50 L N2 react with 7.00 L H2, what is the theoretical yield (in liters) of NH3? Assume that the volumes of reactants and products are measured at the same temperature and pressure.
A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 110.°C and 0.795 atm?
How much heat is released when 105g of steam at 100.0 degrees celsius is cooled to ice at -15.0 degrees celsius? The enthalpy of vap of water is 40.67kJ/mol, the enthalpy of fusion for water is 6.01kJ/mol, the molar heat capacity of liquid water
A 5g sample of kaolinite clay Al2(OH)4Si2O5 was treated with excess HF and produced 2.50 grams of solid precipitate of AlF3. What percent of the clay sample was aluminum?Al2(OH)4Si2O5 (s) + 14 HF --> 9 H2O + 2 SiF4 (g) + 2 AlF3 (s)
Phenol and straight chain alcohol, The compound C6H5OH is a phelol, and C6H13OH is a straight chain alcohol.
Qualitative chemistry help separating 4 ions using chemicals found in a general chemistry lab (for ex. HCl, NaOH, HNO3, etc) Make a flowchart/procedure for how one would separate 4 of these ions 1 by 1.
3H2 + N2 -> 2NH3. At 200 degrees C in a closed container, 1.00atm of nitrogen gas is mixed with 2.00atm of hydrogen gas. At equilibrium, the total partial pressure is 2.00atm.
a 4.5 g sample of LiCl at 25 C dissolves in 25 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C. What is the enthalpy of solution.
question h2aso4- is amphoteric. what is the balanced chemical equation for its reaction with nitric acid? write the
The Lewis symbol an X with 8 dots surrounding it (2 on each side) would be characteristic of which group
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