In the laboratory, a student adds 50.4 mL of water to 16.5 mL of a 0.880 M hydroiodic acid solution. What is the concentration of the diluted solution? Assume the volumes are additive. Concentration = M

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.