A substance has a definite volume but no definite shape ? state whether this substance is a solid , a liquid , or a gas.

The most efficient way to establish the best possible economizer position is to measure

What is the percent by mass of oxygen in fe2o3

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.