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carbon burns with oxygen to produce carbon dioxide gas
which of these shows the correct chemical reaction?

a. c, o, co2

b. c+02 + co2

c. c+0=co2

d. co2 =c+0

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

The characteristic 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 and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

There are approximately 15 milliliters (ml) in 1 tablespoon (tbsp). what expression can be used to find the approximate number of milliliters in 3 tbsp?