Question 1 of 10 Which describes the law of conservation of matter?
O A. The reactants must have more atoms than the products.
B. The reactants must have fewer atoms than the products.
C. Atoms change into other elements during a reaction.
D. The same atoms must be in the products and the reactants.
SUBMIT
FIRST PERSON GETS BRAINLIEST IF RIGHT

Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2  + h2cucl2  + na2s → 2nacl + cuscaco3  → cao + co2          2zns + 3o2  → 2zno + 2so2          ch4  + 2o2  → co2  + 2h2o

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.