Calculate δgr°(375 k) for the reaction 2 co(g) + o2(g) → 2 co2(g) from the value of δgr°(298 k), δhr°(298 k), and the gibbs-helmholtz equation.

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness