Calculate ΔGrxn for this equation, rounding your answer to the nearest whole number. CaCO3 (s) → CaO (s) + CO2 (g) ΔGf, CaCO3 = - 1,128.76 kJ/mol ΔGf, CaO = - 604.17 kJ/mol ΔGf, CO2 = - 394.4 kJ/mol

What are the values of STP

What substances dissolve in water?

Which of the following is NOT true of electronegativity?

A solution of a base differs from a solution of an acid in that the solution of a base? A. is able to conduct electricity B. is able to cause an indicator color change C. has a great [H3O+] D. has a great [OH-]

How is a yeast cell different from an onion skin cell? Yeast can reproduce by budding. Onion cells do not reproduce by budding. Yeast lacks a membrane-bound nucleus. The onion skin cell has one. Yeast has chloroplasts.

Physical properties can be used to describe matter. Some properties are dependent on the amount of matter present. All BUT ONE of these physical properties changes with the amount of matter. That is A) density. B) mass. C) volume. D) weight.

Which term best describes the substances that cause oil and water molecules in salad Dressing to interact and mix? surfactants miscible liquids immiscible liquids compressed molecules

Two molecules have the same molecular geometry but different electron domain geometries. Which combination of atoms and lone pairs around the central atom could describe these molecules?

High zinc intakes can inhibit the absorption of copper true or false

Which is the theoretical reason behind the framers favoring of a bicameral congress?