When the equation Fe + O2→Fe2O3 is balanced, the coefficient for O2 is:

a. 4

b. 3

c. 1

d. 2 D?

Describe the relationship between temperature and kinetic energy.

Convert 75 cm to yards

If the density of water is 1g/ml, what is the mass of 254ml of water?

What is studied in the field of thermodynamics? A. The properties of chemical solutions B. The laws of gravitational motion C. The particle nature of light waves D. The movement of energy and heat

Which compound contains covalent bonds? A - BeO B - NaCl C - CaS D - MgF2 E - SO2

A critical biotic factor in Yellowstone National Park is A) geographic isolation B) high elevation C) high temperature in the summer D) population of wolves E) proximity to water

If energy can neither be created nor destroyed in a chemical reaction, what can happen to the energy

Effect of ph on conformation of aplha helix

How can we tell when something is polar or non-polar in an Inter-molecular Force?

A reaction is most likely to occur when reactant particles collide with