Mno2 + 4hcl reacts to form mncl2 + cl2 + 2h2o if .86 mol of mno2 and 48.2 g of hcl react, which reactant is the limiting reagent

The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures