Un alegre-ir-la ronda se mueve en un círculo a una
velocidad constante. es el alegre-ir-ronda acelerando?
explique su respuesta.

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen

Joe ran 130 yards because 3 feet make 1 yard so using this ratio 390 feet make 130 yards.

Answer sinking and cooled;