Which of the following is NOT a physical change?

a. grating cheese

c. fermenting of cheese

b. melting cheese

d. mixing two cheeses in a bowl

For the following soluble (strong electrolyte) species, represent the process for the solid compound dissolving in water: aluminum nitrate, iron (II) chloride, potassium sulfide, magnesium acetate, ammonium phosphate.

How many lithium ions are required to bond with one nitrogen ion?

Base your answers to questions 66 through 68 on the information below. In the early 1800s, John Dalton proposed an atomic theory that was based on experimental observations made by several scientists.

What is the total number of moles of o2 produced from the complete decomposition of 8 moles h2o2

At 500 K, the reaction is at equilibrium with the following concentrations. [PCI5] = 0.0095 M [PCI3] = 0.020 [CI2] = 0.020 M What is the equilibrium constant for the given reaction? 0.042 0.42 2.4 24

How is the mole similar to a dozen?

What element with the highest electronegativity value? Cesium calcium helium fluorine

How many neutrons and electrons are in Oxygen⁻¹⁷ isotope?

What is science all about?

What type of change is a substance that changes form but remains the same?