Scientific theories can change over time as new information is discovered if a scientififc theory changes does this mean that it was not a good theory to begin with?

The correct answer to this open question is the following.

Scientific theories can change over time as new information is discovered. If a scientific theory change this doesn't mean that it was not a good theory, to begin with. What means is that science is permanently researching for new and better ways to do things or to understand natural phenomena.

With discoveries, science can apply new methods of study and get relevant and new information that later could be changed if something new is discovered. That is a good part of science. that is always researching to innovate.

answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.

explanation:

energy released during combustion of one mole methane = 802.3 kilo joules

if 1 kilo joule = 0.239006   kilo calorie

then ,802.3 kilo joule will be = 802.30.239006 kilo calorie

802.3 kilo joule = 191.75 kilo calorie

hence, the energy in kilo calorie is 191.75 kilo calorie.

. west