This app can help you to balance a chemical equation.
In this app, the chemical equation will be displayed at the top of the screen, you can click the checkbox to open a Molecular formula list and select the reagents and products. There are 4 reagents and 4 products at most. You can move the thumb of slider to change the factors of each molecular formula in the equation. When you have written a complete equation, you can click Check button to check your answer. If your answer is right, a right mark will be shown, and if your answer is wrong, a cross sign will be shown. At this moment, you can press down the hint button to look at the right answer. You can click the reset button to write a new chemical equation.
This app won the first place of People's Choice award in 2021 MIT App Inventor Appathon.
In this app, the chemical equation will be displayed at the top of the screen, you can click the checkbox to open a Molecular formula list and select the reagents and products. There are 4 reagents and 4 products at most. You can move the thumb of slider to change the factors of each molecular formula in the equation. When you have written a complete equation, you can click Check button to check your answer. If your answer is right, a right mark will be shown, and if your answer is wrong, a cross sign will be shown. At this moment, you can press down the hint button to look at the right answer. You can click the reset button to write a new chemical equation.
This app won the first place of People's Choice award in 2021 MIT App Inventor Appathon.
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