List the layers of Earth from the center out to the crust. What is the composition of each layer?

What is the molecular formula of a compound containing 89% cesium (Cs) and 11% oxygen (O) with a molar mass = 298 g/mol?

In which chemical reaction will the heat content of the reactants be more than that of the products? A: endothermic B: Reversible C: Irreversible D: Exothermic

A Buffer Solution is 0.100 M in both HC7H5O2 and LiC7H5O2 and has a pH of 4.19. Which of the following pH values would you expect from the addition of a small amount of a dilute solution of a strong base? - 3.89 - 3.69 - 5.69 - 4.

What else supports the idea that an exothermic reaction has occurred?

Calcium hydroxide, which reacts with carbon dioxide to form calcium carbonate, was used by the ancient Romans as mortar in stone structures. The reaction for this process is Ca (OH) 2 (s) + CO2 (g) → CaCO3 (s) + H2O (g) ΔH = - 69.1 kJ.

What is potential energy? The energy of change The energy of position or composition The energy of mass or volume The energy of motion

How many significant figures are in the measurement 0.023040 cm?

Can y'all give me some examples of physical changes

A nitrogen-containing compound shows no absorption band at ∼3400cm-1 and no absorption bands between ∼1700cm-1 and ∼1600cm-1. what class of compound is it

What is the mass of 35.2 ml of a solution that has a density of 1.12 g/cm (in dimensional analysis)