A student measures the frequency of a wave as 2 waves/second, and the wavelength as 40 cm/wave. Use the velocity equation (v = f * λ) to calculate the speed of the wave. Show your work and include units.

A standard drink of beer is _ ounces.

Determine how many grams of CO2 are produced by burning 8.21 g of C4H10

Read the second section, "Tsunamis Usually Happen In The Pacific Ocean." Read the final section, "Warning Systems And Evacuation Plans Have Saved Lives.

Diamond has a density of 3.26 g/cm3. what is the mass of a diamond that has a volume of 0.22 cm3

Which of the following is not a weakness of the Rutherford model of the atom?

Charlotte is planning an investigation to learn how temperature affects the amount of salt that can be dissolved in a liquid. In Charlotte's experiment, which of the following things should she control, or keep the same? A. the type of liquid used B.

Which property ofsulphuric acid makes it suitable to use as a catalyst for the preparation of esters?

Which is an example of a covalent bond? Chlorine accepts an electron from calcium to form a stable bond. Ions in a bar of pure iron are surrounded by a large number of valence electrons.

Which frequency has more energy? (high frequency or low frequency)

What happens to atoms when they form molecules?