General Chemistry

What is in this deck

With this deck you learn first-year chemistry from the mole outward: stoichiometry, gas laws, orbitals and bonding, thermodynamics, kinetics, equilibrium, acids and redox.

The mole is a counting unit, chosen so that atomic mass in grams holds one of them. Almost every calculation in the first year runs through that one definition.

100 cards from there: limiting reactants and percent yield, the gas laws and where the ideal one fails, orbitals and why matter takes up space at all, the bonds and the shapes they force. Then enthalpy and entropy and the free energy that decides whether a reaction happens, kinetics that decides how fast, equilibrium, acids, redox and the electrochemical cell.

Where a common phrase is wrong, the card says so. Entropy is not disorder, spontaneous says nothing about speed, and a catalyst never moves an equilibrium.

The categories decide what comes up: start with “Acids” alone and add the rest when you are ready.

What you learn

• The mole, limiting reactants and percent yield
• Orbitals, periodicity and what shields what
• Bonding, VSEPR and why water is bent
• Enthalpy, entropy and the sign of delta G
• Equilibrium, acids, buffers and redox

The categories

17 categories sort the 100 cards. You can filter by category and take on what is due right now.

1. Acids
2. Bonding
3. Equilibrium
4. Gases
5. History
6. Kinetics
7. Measurement
8. Nuclear
9. Organic
10. Periodicity
11. Redox
12. Solutions
13. States
14. Stoichiometry
15. Structure
16. Thermochemistry
17. Thermodynamics

Learning with Qardbox

You see a card, you think, you turn it over and say whether you knew it. A round asks nothing more of you, and how the app works out the next date from that is on the page about FSRS-6.

What sits comes back less often, what wobbles comes back soon. You set a daily goal, and when nothing is due the app tells you exactly that instead of inventing work for you. How a round goes is shown on the learning page.

Everything stays on your device. No account, no sign-up, no ads. After the purchase the deck sits in your library like any other subject and can be studied, reordered and extended just like your own.

What it costs, and what it doesn’t

Qardbox itself costs nothing, and it stays that way. Every function is there from the start, with no subscription, no ads and no tiers; what that rests on is on the page about what it costs.

Your own cards stay unlimited, and decks from friends or from the family you read in without a limit, from a file as well. You do not need this deck in order to learn with Qardbox.

It is a shortcut: 100 checked cards for €1.29, once, with Family Sharing. The work you would otherwise do is already done. The App Store shows the price in your currency.