Iron oxide reacts with aluminum to give aluminum oxide and iron. What kind of chemical reaction is this?

58.5 million excess electrons are inside a closed surface. What is the net electric flux through the surface?.

Thermal decomposition of alkane is called pyrolysis or cracking?

Which of the following statements is true about a hypothesis? A. A hypothesis is always true. B. A hypothesis is always false. C. A hypothesis will become a scientific law. D. A hypothesis is a prediction of what you believe to be true.

What cell type is found in the nervous tissue

Who is credited with creating the first periodic table? Johann Dobereiner Henry Moseley Dmitri Mendeleev John Newlands

What is the best category for nf3? 1. amphoteric ion 2. lewis acid 3. salt 4. bronsted-lowry acid 5. arrhenius acid 6. arrhenius base 7. lewis base 8. weak electrolyte?

100 g = ___hg for science

A real gas behaves more like an ideal gas when the gas molecules are

How many moles are in 12.5 g of H2O

Substance which allows energy to pass through it