When engineers face tricky problems in industries, they have different tools and techniques to help them out. Here are some methods that can really help:

1. Dimensional Analysis: This is a simple way to keep track of the units in your calculations. By checking that your units match, you can avoid mistakes and stay on the right path.

2. Balance Chemical Equations: Start by making sure your equations are balanced. Think of it like building a house; you need a strong base, or everything might fall apart later.

3. Mole Ratios: Get to know mole ratios that come from balanced equations. These ratios help you change amounts from one substance to another. Remember, it's often a simple $1:1:1$ ratio!

4. Stoichiometric Calculations: Use formulas to figure out how much of a substance you need or how much will be produced. For example:

   $\text{Mass} = \text{Moles} \times \text{Molar Mass}$

5. Software Tools: Don’t forget about helpful software and simulation tools. They can show you how reactions work and provide information that you might not see if you only do calculations by hand.

By using these techniques together, engineers can solve tough problems and make processes easier in different industries!