Violet light has a wavelength of 4.10 x 10^-12 m. What is the frequency?

A gas sample of Xe occupies 10-liter balloon at 27 degrees C under a pressure of 1.2 atm. Approximately what volume would the gas occupy at 350 K and 2 atm of pressure? A. 7 liters B. 9 liters C. 13 liters D. 18 liters

An unknown compound was decomposed into 63.2 g carbon, 5.26 g hydrogen, and 41.6 g oxygen. what is its empirical formula?

13. A warm air mass that is cut off from the ground is said to be 14. A swirling center of low air pressure is called a (n) 15. are high-pressure centers of dry air.

A hydrate of CoCl2 with a mass of 6.00 g is heated strongly. After cooling, the mass of the anhydrate is 3.27 g.

2NaOH + H2SO4 → Na2SO4 + 2H2O Which of the following statements would be correct if four moles of NaOH were used in this reaction? Two moles of water were produced from this reaction. Four moles of water were produced from this reaction.

What is the strongest intermolecular force

If a sample of hydrochloric acid is neutralized with sodium hydroxide, what products are formed?

Prior to the development of DNA fingerprinting, blood type could be used to determine possible parentage. Although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent.

At room temperature, which of the following is the most compressible? A. One liter of oxygen, a gas B. One liter of water, a liquid C. One liter of mercury, a liquid D. One liter of iron, a solid

A spring scale is best defined as