During a reaction, the enthalpy of the reactants and the products are not equal. What does this result in?

A. None of these

B. Absorption or release of energy

C. Change in chemical composition

D. Spin of electrons is reversed

1. In a 100 mL volumetric flask, 30.0 mL of 0.150 M NaOH is combined with 25.0 mL of 0.125 M red dye solution and brought up to volume using DI water. Calculate the final concentrations of both the NaOH and the red dye. Show all your calculations.

What are the consequences of increased nitrogen deposition over terrestrial or aquatic ecosystems?

If 10g of agno3 is available what volume of. 25m agno3 solution can be prepared

Apply the kinetic molecular theory to predict the outcome regarding the gas shown at right under each of the conditions below by filling in "increases" or "decreases" in the space provided. 1.

During which phase of the moon does lunar eclipse occur?

A scientist in London and a scientist in California both conducted independent investigations that produced similar results.

When magnesium combines with oxygen, the reaction involves a. a conversion of protons into electrons. b. sharing of electrons between Mg and O. c. transfer of electrons from Mg to O. d. transfer of electrons from O to Mg.

The activation energy for the reaction no2 (g) + co (g) ⟶no (g) + co2 (g) is ea = 100 kj/mol and the change in enthalpy for the reaction is δh = - 375 kj/mol.

What process transform solar energy into chemical energy?

When the reaction was carried out the calculated theoretical yield for water was 176 grams but the measured yield was 148 grams what is the percent yield