The U. S. Navy has a system for communicating with submerged submarines. The system uses radio waves with a frequency of 76s^-1. what is the wavelength of the radiation in meters? In miles?

Nitrosyl bromide, NOBr, is formed from NO and Br2. 2 NO (g) + Br2 (g) 2 NOBr (g) Experiments show the reaction is second order in NO and first order in Br2. How does the reaction rate change if the concentration of Br2 is changed from 0.

Name 5 careers that require knowledge in chemistry

If each vitamin has 0.8 grams of calcium, how much calcium will 2.6 vitamins have?

A product that is a chemically bonded combination of reactants will form in which type of reaction? Check all that apply. synthesis A) polymerization B) decomposition C) oxidation D) replacement

Consider the following equilibrium reaction having gaseous reactants and products. 4HCl + O2 ⇌ 2H2O + Cl2 Which of the following would result from increasing the volume of hydrochloric acid? The volume of oxygen increases.

How was helium first discovered?

When is alpha particle emission most likely to occur? A. When the nucleus has more than 83 protons. B. When the ratio of neutrons to protons in the nucleus is too high to be stable. C. When the nucleus has a mass of more than 83 amu. D.

Researchers used a combustion method to analyze a compound used as an antiknock additive in gasoline. A 9.394 mg sample of the compound yielded 31.154 mg of carbon dioxide and 7.977 mg of water in the combustion.

The formula for binary ionic compound formed between cesium and fluorine

If the mass of a material is 76 grams and the volume of the material is 16 cm3, what would the density of the material be? g/cm3