During lab, you learned about exothermic and endothermic heats of solution. which compounds below could be used for a hot pack? (select all that apply.)

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.

What is a number added in front of a formula in order to balance the equation

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?