The standard internal energy change for a reaction can be symbolized as δu∘rxn or e∘rxn. for each reaction equation, calculate the energy change of the reaction at 25∘c and 1.00 bar.
2h2(g) + o2(g) ⟶ 2h2o(l) δh∘rxn= −571.6kj/mol

h2(g) + cl2(g) ⟶ 2hcl(g) δh∘rxn= −184.6kj/mol

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes