In short: FLN Tutors gives chemical process calculations help and tutoring for first- and second-year chemical engineering students. Tutors explain units and dimensions, stoichiometry, material balances without and with reaction, recycle, bypass and purge, combustion calculations, excess air and flue gas analysis, gases and vapour pressure, humidity, and energy balances step by step, with worked problems. Matched to a verified specialist who knows your course, your university's marking criteria, and your deadline.
Topics we cover
FLN offers one-to-one online Chemical Process Calculations tutoring with verified subject specialists. Sessions focus on calculations, design problems and the theory behind them, including Material Balances, Energy Balances, Stoichiometry and Process Flow Diagrams, using your own course material, so you understand the subject and can apply it yourself.
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It is one-to-one support from a chemical engineering tutor who teaches you to set up and solve material and energy balances systematically, the foundation of the whole degree.
| What you need | Best option | What you get |
|---|---|---|
| Regular lessons through the course | Live one-to-one tutoring | Balance methods explained |
| Problems you are stuck on | Homework help | Step-by-step worked solutions |
| A graded problem set | Assignment help | Guidance within your university's rules |
This map lists the core chemical process calculations topics, the point where students most often get stuck, and how a tutor helps you past it.
| Topic | Where students get stuck | How a tutor helps |
|---|---|---|
| Units | Conversions and dimensional consistency | Conversion tables |
| Stoichiometry | Limiting reactant, excess and conversion | Worked reaction problems |
| Non-reactive balances | Mixing, splitting and separation | Labelled flow diagrams |
| Reactive balances | Extent of reaction and atom balances | Worked reactor balances |
| Recycle and purge | Single-pass versus overall conversion | Worked recycle problems |
| Combustion | Theoretical and excess air | Worked flue gas analysis |
| Gases and vapours | Ideal gas, vapour pressure and humidity | Worked property examples |
| Energy balances | Sensible heat, latent heat and heat of reaction | Worked energy balances |
Tutors follow first-year chemical engineering syllabi.
| Area | Topics |
|---|---|
| Basics | Units, dimensions, mole concept, composition |
| Material balances | Steady-state balances, degrees of freedom, multiple units |
| Reactions | Stoichiometry, conversion, yield, selectivity, extent of reaction |
| Recycle | Recycle, bypass and purge streams |
| Combustion | Fuels, air requirements, flue gas and Orsat analysis |
| Gases and vapours | Ideal and real gases, vapour pressure, Raoult's law, humidity |
| Energy balances | Enthalpy, heat capacity, latent heat, heat of reaction, adiabatic flame temperature |
100 mol of CH₄ burns completely with 20% excess air (21% O₂, 79% N₂). CH₄ + 2O₂ → CO₂ + 2H₂O.
| Step | Working | Result |
|---|---|---|
| Theoretical O₂ | 100 × 2 | 200 mol |
| O₂ supplied | 200 × 1.2 | 240 mol |
| N₂ supplied | 240 × 79 ÷ 21 | ≈ 902.9 mol |
| Flue gas | CO₂ 100, H₂O 200, O₂ 40, N₂ 902.9 | ≈ 1,242.9 mol |
| Wet composition | CO₂ 8.0%, H₂O 16.1%, O₂ 3.2%, N₂ 72.6% | — |
| Dry (Orsat) CO₂ | 100 ÷ (1,242.9 − 200) | ≈ 9.6% |
Fresh feed of 100 mol/h of A is converted to B. Single-pass conversion is 25%, and all unreacted A is separated and recycled, so overall conversion is 100%.
| Step | Working | Result |
|---|---|---|
| A reacted per hour | Overall conversion × fresh feed | 100 mol/h |
| Reactor feed | 100 ÷ 0.25 | 400 mol/h |
| Recycle stream | 400 − 100 | 300 mol/h |
| Recycle ratio | 300 ÷ 100 | 3 |
Recycle lets a plant reach high overall conversion even when each pass through the reactor converts little.
Tutors match your level, syllabus and exam board, from school to PhD.
| Level | What you study | Matching help |
|---|---|---|
| A-Level Chemistry | Moles and stoichiometry foundations | A-Level AQA Chemistry and live tutoring |
| First-year chemical engineering | Material and energy balances | Fluid Mechanics, homework help |
| GATE and competitive exams | Process calculations practice | Engineering Mathematics and assignment help |
| Design projects | Flowsheet mass and energy balances | Dissertation help |
Related: Chemical Engineering, Numerical Methods for Chemical Engineers, Chemical Engineering Thermodynamics and Petroleum Refining Technology.
Most lost marks come from skipping the flow diagram and the basis.
| Mark-loser | What to do instead |
|---|---|
| No labelled flow diagram | Draw and label every stream first |
| No basis | State a basis, such as 100 mol of feed |
| Mass and mole units mixed | Work in one unit system |
| Excess air on the wrong basis | Base it on theoretical O₂ for complete combustion |
| Wet and dry analysis confused | Remove water for dry (Orsat) analysis |
| Single-pass and overall conversion confused | Define each against the right stream |
Chemical process calculations is assessed in several formats, and each one is marked on different things. Tutors help you understand the brief and the marking criteria before you start.
| Assessment | What markers look for |
|---|---|
| Problem sets | Complete balances with diagrams and checks |
| Exams | Accurate solutions under time pressure |
| Lab reports | Balances on experimental data |
| Design projects | Flowsheet balances |
| GATE preparation | Speed and accuracy on standard problems |
Process calculations use these tools.
| Tool | What it is used for |
|---|---|
| Scientific calculator | Exam calculations |
| Excel | Solving balances and iterations |
| Steam tables and property data | Enthalpies and vapour pressures |
| Psychrometric charts | Humidity problems |
| DWSIM or Aspen | Checking balances by simulation |
Chemical process calculations is taught to similar core ideas worldwide, but grading, referencing and course structure differ. FLN tutors work from your own syllabus and handbook and schedule lessons in your time zone. Always follow your module handbook for referencing.
| Country | Where chemical process calculations is studied | Grading | Referencing usually used |
|---|---|---|---|
| United Kingdom | First-year BEng and MEng chemical engineering | GCSE 9–1, A-level A*–E; degrees First, 2:1, 2:2, Third | IEEE or Harvard |
| United States | Material and energy balances courses | Letter grades A–F and a 4.0 GPA scale | IEEE |
| Australia | Chemical engineering degrees | HD, D, C, P at university; ATAR for school leavers | IEEE or Harvard |
| Canada | Chemical engineering programmes | Letter grades or percentages; GPA scales vary by province and university | IEEE |
| India | B.Tech/BE chemical engineering process calculations (stoichiometry) and GATE CH | Board exam percentages; university CGPA, often on a 10-point scale | IEEE |
Students in Ireland, the Gulf, Europe, Africa and Asia can book the same help, with lessons in their own time zone.
The price of chemical process calculations help depends on the number of problems and your deadline. A short balance problem costs less than a full problem set. You always see the price first: a fixed quote for homework and assignment guidance, or the tutor's hourly rate for live lessons, with no contract and no minimum number of sessions. Refunds follow our refund policy.
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What you get
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Tell us your assignment brief, word count, deadline, and academic level. The more detail, the better the match.
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Takes about two minutes. The quote is free.
Chemical Process Calculations and related specialists
Every expert is degree-verified and quality-tested before joining.
I am a Chemical Engineering graduate with a strong academic background and a CGPA of 3.91, along with practical expertise in chemical engineering analysis, technical report writing, process calculations, and engineering problem-solving. I have experience working on a wide range…
I am an M.Sc. Chemistry educator specializing in AP Chemistry, NEET, JEE, and IIT entrance preparation. Strong expertise in Organic, Inorganic, and Physical Chemistry, with a focus on concept clarity, problem-solving, and exam-oriented learning to help students achieve their…
I am a passionate Chemistry educator and expert with a strong academic and teaching background. I hold an M.Sc. in Chemistry from IIT Bombay and has qualified prestigious national-level examinations, including CSIR-NET JRF (AIR 44) and IIT JAM (AIR 39). With a strong foundation…
Senior Process Engineer and PhD candidate in Process Engineering with expertise in chemical plant design, process simulation, and modeling. Experienced in Chemical Engineering, Thermodynamics, Process Calculations, and Reaction Engineering, with a strong focus on technical…
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Yes. Tutors teach systematic balance methods and work through problems with you.
Calculations of material and energy flows in chemical processes, using units, stoichiometry and balances.
A chosen amount, such as 100 mol of feed, that all other quantities are calculated from.
Input + generation − output − consumption = accumulation.
The reactant that runs out first and limits how much product forms.
Conversion is reactant consumed; yield is product formed relative to feed; selectivity is desired product relative to by-products.
A single variable that describes how far a reaction has gone, linking all species changes.
Air supplied above the amount needed for complete combustion, as a percentage of the theoretical amount.
Flue gas analysis on a dry basis, excluding water vapour.
To return unreacted feed to the reactor and raise overall conversion.
To stop inert or unwanted components building up in a recycle loop.
Single-pass is conversion in the reactor; overall is conversion of fresh feed for the whole process.
Use partial pressures, vapour pressure data or a psychrometric chart to find absolute and relative humidity, then apply balances.
The enthalpy change when a reaction occurs at specified conditions.
It is systematic; drawing diagrams and choosing a basis makes problems manageable.
Tutors work from your course text, such as Himmelblau, Felder and Rousseau, or Bhatt and Thakore.
Often, yes, for short problems, depending on tutor availability.
Yes. Tutors use GATE-style problems for practice.
Yes. Tutoring, worked examples and feedback are a normal part of learning. You should use the explanations to understand the method and submit your own work in line with your school's or university's academic integrity rules. See our academic integrity policy.
Yes. Your files and details are used only to help you and are not shared with your school or university. See our privacy policy.
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