Mass box A = 10 grams; Mass box B = 5 grams; Mass box C—made of one A and one B How many boxes of A would be required to make 30 grams of C?

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the answer would be a

може ли да зареждате повече информация, моля