Types of hardness water

The rules of engagement (roe) working group is often used to (select all that apply.)

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.