Which of the following stars are very bright, massive stars with relatively low temperatures? A. dwarfs B. giants C. main sequence stars D. supergiants

Temperature is used to measure the movement of particles such as atoms and molecules. As temperature increases, what is always true of the particles in a substance? The rate of movement increases. The distance between them decreases.

A chemist adds 0.55 L of a 4.69M silver nitrate (AgNO3) olution to a reaction flask. Calculate the mass in kilograms of silver nitrate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.

1. A 9.941 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 14.57 grams of CO2 and 5.966 grams of H2O are produced. In a separate experiment, the molar mass is found to be 60.05 g/mol.

Why is a fan considerd mechanical energy

The diagram below shows the movement of particles. What does this piece of evidence best support? The collision theory The Maxwell-Boltzmann distribution. The effect of pressure on reaction rates. The effect of temperature on reaction rates

Which of these properties, used alone, would be LEAST useful in identifying MOST minerals? A. color B. luster C. streak D. density

Which phases describe air density?

Why is water typically used as the heat-absorbing liquid in calorimetry?

How many pencils are in 20 OWLS

Which is a pollutant associated with high-tech gadgets in landfills?