Please solve questions 10 , 11 and 12

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.

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

truck y has a greater velocity than truck x.

the right answer is 0.3 meters per second