Question 1
A stoichiometry calculation is required for the complete combustion of propane (C3H8). How many moles of oxygen (O2) are required to completely burn 2.5 moles of propane gas?
Correct Answer:
12.5 moles
Question 2
Which of the following elements has the highest first ionization energy?
Correct Answer:
Argon (Ar)
Question 3
In coordination chemistry, what is the crystal field splitting d-orbital configuration for a high-spin octahedral complex of Fe(II) (d6 configuration)?
Correct Answer:
t2g4 eg2
Question 4
The van der Waals equation of state accounts for deviations from ideal gas behavior. What physical phenomena do the parameters 'a' and 'b' represent, respectively?
Correct Answer:
Intermolecular attractive forces and molecular volume
Question 5
A water sample contains 120 mg/L of Ca2+ ions and 36 mg/L of Mg2+ ions. What is the total hardness of the water sample expressed in mg/L as CaCO3? (Molar masses: Ca = 40.0 g/mol, Mg = 24.3 g/mol, CaCO3 = 100.1 g/mol)
Correct Answer:
448 mg/L as CaCO3
Question 1
Exam overview

About this Exam

Prepare with the ChE Board Practice Questions - PRC Chemical Engineer Licensure Examination Exam practice quiz. This question bank includes 100 questions covering water, temperature, heat, reaction, and factor. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

More details

Additional Information

ChE Board Practice Questions - PRC Chemical Engineer Licensure Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on water, temperature, heat, reaction, and factor. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

Quiz information

Frequently Asked Questions

The complete question count is available after full access is unlocked.
No fixed duration is currently configured for this quiz.
Question explanations are included where they are available in the quiz content, helping you review the reasoning after answering.
Yes. You can retake the practice test again as you continue studying during your available access period.
After your access is confirmed, you can continue into the complete practice exam from this quiz flow.
Unless explicitly stated otherwise, this page provides independent practice material for study and exam preparation and is not the official examination itself.
Keep studying

Related Questions