4. Methods scientists use to determine if a change was physical or chemical

When butane burns in an excess of oxygen, the principle products are?

In which situation would you expect the lowest level of competition for resources among populations in an ecosystem?

What part of an atom is involved in a chemical reaction? A. proton B. neutron C. nucleus D. electron

5 examples of each chemical properties, physical properties, chemical changes, and physical changes.

5. The partition coefficient of Compound A is 7.5 in dichloromethane (a. k. a. methylene chloride) with respect to water. a.

How is pressure related to buoyant force

How are saturated and supersaturated solutions similar?

Cobalt fluoride crystallizes in a closest packed array of fluoride ions, with the cobalt ions filling one-half of the octahedral holes. What is the formula of this compound?

When you get into a parked car in the summer time, the metal clip is hot and the seat belt fabric is not. What has a higher specific heat, the metal clip or the seat belt fabric? Think about the definition of specific heat.

A laboratory procedure calls for making 600.0mL of a 1.1M KNO3 solution. How much KNO3 in grams is needed?