Use the balanced equation to solve the problem. Na2CO3 + CaCl2 → 2NaCl + CaCO3
2.00mol of sodium carbonate, Na2CO3 react.
How many grams of calcium carbonate, CaCO3 are made?
09

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Which question could be best answered using the process of scientific inquiry? do different plates have different rock compositions? why did it take so long to develop the theory of plate tectonics? what are different cultural myths caused by plate tectonics? do plates move intentionally to cause volcanic eruptions?

Is cutting your nails a physical or chemical change