How many elements are there

Air has a lower specific heat then water once the sun goes down will the air or the water cool faster? What is the independent and dependent variable

How does an earthquake cause a tsunami?

Write a balanced chemical equation, including physical state symbols, for the combustion of liquid heptane into gaseous carbon dioxide and gaseous water. C7H6) + 110, (g) 7 16 7CO2 (g) 8H20 (8) 2. Suppose 0.

Explain why the formation of sand is a physical change

What type of change is the process of solid ice changing into liquid water? exothermic ionic physical chemical

What does squeezing do to the particles of snow or ice?

The strong nuclear force holds together which two particles in an atom? Electrons and neutrons Protons and electrons Neutrons and protons Neutrons and beta particles

How many moles in 2.0g of carbon dioxide?

Why do the nuclides that are used as radiotracers have short half-lives?

Brain, Spinal Cord Which organ system do the organs above belong to? a. cardiovascular b. nervous c. excretory d. endocrine