What is kinetic energy?

Kinetic energy is the energy of mass in motion. The kinetic energy of an object is the energy it has due to its motion. In Newtonian mechanics, the kinetic energy of a massive body in motion can be calculated as half of its mass times the square of it's the velocity (v): E=1/2mv2. Note that energy is a scalar quantity, I.e., it does not depend on direction, and it's always positive. When we double the mass, the double the energy; however, when we double the velocity, energy increases by the factor of 4.

answer: the value of enthalpy change will be -152.80 kj.

solution:

pressure = 1atm , temperature = = 298 k

given that pressure and temperature are same in both gases , the number of moles of both gases can be determined by the ideal gas equation.

according to reaction 3 moles no are reacting with 1 mol of ,then 0.49 mol of no will react with moles of ozone that is 0.16 moles of ozone. since, no is limiting reagent and is an excessive reagent.

enthalpy change for the reaction between the given volumes of the gases is :

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer