What is the limiting reactant when 6.8 moles of iron react with 8.9 moles of oxygen gas?

Unbalanced equation: Fe + O2 → Fe2O3

Does the density of an object depend on its size? Explain?.

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 does a trigonal pyramid differ from a tetrahedron so far as molecular geometry is concerned? Bond angles in the tetrahedral molecule are 120°, while those for trigonal pyramid are 109.5° A trigonal pyramid is a tetrahedron with two vacant vertex.

How do scientists use sonar to study earth's oceans? to measure water density to measure underwater earthquakes to map ocean currents to map the ocean floor

In the compound k[co (c2o4) 2 (h2o) 2] (where c2o42 - = oxalate) the oxidation number and coordination number of cobalt are, respectively

A gas obeys the ideal-gas equation of state P V = N k T, where N = n NA is the number of molecules in the volume V at pressure P and temperature T and n is the number of gm-moles of the gas.

76. Which of the following choices is not an example of an adaptation? A. Nocturnal animal species have large eyes. B. One member of a wolf litter is born with shorter legs than its siblings. C.

Which is more dense a pound of rice or a pond of cement

An essay that is 530 words over an experiment. EX. Coke vs Mento Invisible Ink

K2so4 is a strong electrolyte. determine the concentration of each of the individual ions in a 0.600 m k2so4 solution.