A compound is formed when 9.03 g Mg combines with 3.48 g N. What is the percent composition of this compound?

Brad and Juan conducted several tests to determine the properties of silver metal. They noted that is was white, and conducted both electricity and heat. They computed the density to be 10.49 g/cm3.

Which term describes the maintenance of a stable internal condition a.) endosytosis b.) homeostasis c.) mitosis d.) photosynthesis

Which statement best describes John Dalton's use of creativity in his work? A. He reinterpreted and retested Joseph Proust's results. B. He used a scientific method to conduct his experiment. C.

A scientist detected radiation escaping from a material encased in a thin metal box. What type of radiation did the scientist most likely detect?

In an ecosystem, the presence of many different species is critical for the survival of some forms of life when ...

Which of the following substances is NOT an alloy? a. Brass b. Bronze c. Stainless steel d. Tin

Relate the statement:"you cant get something for nothing" to the law of the conservation of mass

Which compound is sometimes found in fire extinguishers

The volume coefficient of thermal expansion for gasoline is 950 * 10-6 K-1. By how many cubic centimeters does the volume of 1.00 L of gasoline change when the temperature rises from 30°C to 50°C?

An element's most stable ion forms an ionic compound with bromine, having the formula XBr. If the ion of element X has a mass number of 85 and has 36 electrons, what is the identity of the element?