Which physical change can involve a negative OR a positive heat

The concept of empiricism states that all rationally accepted knowledge is determined from experience. Francis bacon was one of the first scientists to promote this theory. What was it's impact on society?

What is the cause of global wind patterns

What allows the asthenosphere to be able to move slowly? a. the heat of earth's interior at that depth b. the friction of the plates moving above it c. the magma moving up from earth's inner core d. the pressure of the rock above the asthenosphere

Determine the volume of a 75-gram sample of gold at stp

What is the balanced equation for the combustion of magnesium? A. Mg (s) + O2 (g) >MgO (g) B. Mg (s) + O2 (g) >MgO2 (g) C. 2 Mg (s) + O2 (g) > 2 MgO (s) D. Mg (s) + 2 O2 (g) > MgO4^2 - (aq)

What are some facts about the element Rutherfordium

Luis set a glass of ice water out side is the sunshine. when he looked at the glass 10 minutes later, the contents had changed. what kind of change happened to the ice water? A. evaperation B. conduction C. chemical change d. sudden change

A substance is considered to have a smaller surface area when ... A. it is a fine powder B. it is in large chunks C. you have a small amount of the substance D. you have a large amount of E. the substance

Which is the noble gas notation for chlorine? A-[Ne] 4s2 4p5 B-[Ne] 3s2 3p5 C-[Ne] 3s2 3p3 D-[Ne] 3p2 3p5

Is argon long hand or noble gas