A model for a potential chemical reaction is shown here. Evaluate the model and the reaction shown. Which statements are correct about this model. Select ALL that apply. A) The law of conservation of matter is followed in this model. B) Conservation of matter is not observed because some of the atoms are converted into energy in the reaction. C) Conservation of matter is observed because there are the same number of each atom on both sides of the reaction. D) Conservation of matter is not observed because the atoms are rearranged from one side of the reaction to the other. E) Conservation of matter is not observed because there are different numbers of molecules in the reactants and the products .

it is the second option.

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.

does anyone know or what?

  distance on the y-axis and time on the x-axis.

explanation:

the instantaneous velocity = change in position/time taken

the slope of the graph should give instantaneous velocity.

  slope of a graph = change in value of y -axis / change in values of x -axis

  comparing both the equations

    change in value of y -axis = change in position

  change in values of x -axis = time taken

so position values should be on the y axis and time values should be on the x axis.

distance on the y-axis and time on the x-axis.