Are soft drink, solder and air homogeneous or heterogeneous?

An irregularly shaped Stone was lowered into a graduated cylinder holding a volume of water equal to 20.0 ml the height of the water Rose to 30.2 ml if the mads of the stone was 25.0g what was its density

Which phrase describes carbon-14 dating? uses the rate at which nitrogen-14 decays into carbon-14 dates the remains of organisms to determine when they died measures the number of unstable elements in ancient volcanic rocks determines the age of

Most water on earth is in which form

Why does the density of gas in a hot air balloon decrease as the gas is heated? A. The mass of gas increases as temperature increases. B. The volume of gas decreases as temperature increases. C. The mass of gas decreases as temperature increases. D.

Give examples of temporaty physical change

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