What is a valence electron

If 35.7 kPa of Bromine gas takes up 41.3 L, how much volume will the gas take up at 13.8 kPa

When you exhale into a cold window pane, water vapor in your breath condenses on the glass. where does the water vapor come from?

Which statement best describes synthetic rubber? A) Synthetic rubber is in limited supply compared with natural rubber B) Synthetic rubber has the same properties as natural rubber C) Synthetic rubber has different monomers than natural rubber

Energy transfermation wood fire

A recipe calls for 114 cups of sugar for every 3 cups of flour. How much sugar would be needed for 5 cups of flour?

What is the name of the compound composed of iron and carbonate? [hint: iron has a + 3 charge in this compound]?

In a chemical equation the products appear on which side of the equation? A. Left B. Top C. Right D. Bottom

What does the shape of a protein molecule resemble?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, velocity velocity, height height, position

Which radiation detection device is the best to use for measuring the presence of radiation in large moving objects where constant monitoring is impossible? film badge Geiger counter cloud chamber scintillation counter