Examlex
Ammonia, NH3, is an important industrial chemical. It is produced using the Haber process from nitrogen, N2, and hydrogen, H2. How much ammonia can be produced from 28 kg of nitrogen and 2 kg of hydrogen, assuming the reaction yield is 90%?
Taliban Regime
The political and militant organization that ruled Afghanistan from 1996 until 2001 and regained control in 2021, known for its strict interpretation of Islamic law.
Axis of Evil
A political term used by U.S. President George W. Bush to describe governments that he believed were sponsoring terrorism and seeking weapons of mass destruction, notably Iran, Iraq, and North Korea.
Coalition of the Willing
A term used to describe a group of nations that unite, forming a military or political alliance, often for specific interventions or actions, such as the 2003 invasion of Iraq led by the United States.
Public Schools
Educational institutions that are operated by government funding and are typically provided free of charge to students.
Q3: What is the density of propane gas
Q3: Use a CAS or graphing calculator to
Q14: If one regular antacid tablet contains 500
Q24: Give an example of a metalloid (a.k.a
Q24: Find all slopes of the curve at
Q68: Find rectangular coordinates for the given polar
Q111: What is the heat capacity (C<sub>p</sub>) of
Q112: In carrying out a titration of a
Q116: Based on its position in the periodic
Q131: For which reaction below does the enthalpy