An emission ray has a frequency of 5.10 × 1014 hz. given that the speed of light is 2.998 × 108 m/s, what is the wavelength of the ray?

a. 5.878 × 10-7 m
b.15.2898 × 10-7 m
c.15.2898 × 107 m
d.0.5878 × 10-9 m

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol