General
What is the SI unit of pressure?
Pascal
Who was the team captain for the 2025 Chem-E-Car team?
Aisha Taha
Who is the CHEN department secretary?
Ms. Kholoud Nawahdeh
For a steady-state, nonreactive system, inlet mass flowrate equals what?
Outlet mass flowrate
What type of bond is formed by sharing electrons?
Covalent bond
What does a negative second derivative indicate about a function’s concavity?
It indicates the function is concave down
At the 2025 competition, how far did our Chem-E-Car stop from the finish line?
1.00 m
Who was the interim program chair before Dr. Luc Vechot?
Dr. Ioannis Economou
What happens to the equilibrium conversion as the temperature in an exothermic reversible reaction increases?
Decreases
Under what thermodynamic condition is a process spontaneous at constant temperature and pressure?
Gibbs free energy (ΔG) < 0
What is the Taylor series expansion used to approximate?
A function near a specific point using a polynomial.
What inert gas is used to purge oxygen from the fuel system?
Dr. Ghada Salama
The law that relates vapor-phase composition to liquid-phase mole fraction for ideal mixtures. (Hint: Dr. Abdelwahab)
Raoult's Law
What is the hybridization of carbon in methane?
SP3 hybridized
Molecular geometry: Tetrahedral
If the radius of a spherical boba pearl is doubled, by what factor does its volume increase?
8x
What physical property did our stopping mechanism measure to decide when to stop?
Electric Conductivity
Before joining TAMUQ, which professor served on the Board of Qatar Petroleum and Industry of Qatar?
Professor Khalifa Abdulla Al-Sowidi
If you keep increasing reflux ratio in a separation column (until it approaches infinity), what happens to the number of required stages?
The column requires the minimum possible number of theoretical stages (Nₘᵢₙ) as separation becomes easier.
Which two assumptions of the ideal gas model break down at high pressure?
1. Gas molecules have no molecular volume
2. Gas molecules have no intermolecular forces
If a boba straw bends under load, what material property determines its resistance to bending? (Hint: stress-strain curve)
Young’s modulus
Why can increasing sensor sensitivity sometimes worsen stopping accuracy?
Increased sensitivity amplifies noise, causing premature triggering.
Which professor served as Chief Engineer for the Qatar National Food Security Programme from 2009 to 2014?
Dr. Patrick Linke
A large jacketed industrial milk-tea heater becomes unstable when scaled up. Why might heat generation and heat removal scale differently with size?
Heat generation scales with volume; heat removal scales with surface area. (volume ∝ r³ vs surface area ∝ r²)
What is the physical meaning of fugacity?
Fugacity is the “effective pressure” that replaces real pressure in non-ideal systems.