Methane (ch4) burns in oxygen to produce carbon dioxide and water. which reaction is occurring here?
a.)acid-base neutralization
b.)combustion
c.)combination
d.)single-replacement
e.)decomposition

Asample contains 16.75 g of the radioisotope u-236 and 50.25 g of its daughter isotope, th-232. how long did it take for decay to take place if one half-life of u-236 is 23 million years? 46 million years 69 million years 92 million years 115 million years

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

Which of the following reasons best explains why a scientist would want to replicate gregor mendel's pea plant experiment? a. to discover new aspects of the natural world b. to test the predictions of current theories c. to explain recently observed phenomena d. to test the conclusions of prior investigations