This is true because it reacts with oxygen
Answer: f = 760 Hz
Explanation: speed = frequency · wavelength v = fλ.
frequency f = v/ λ = 380 m/s / 0.50 m = 760 Hz
Uranium-238 - 4.46 billion years
Uranium-235 - 704 million years
Answer:
Different isotopes of the same element have the same number of protons in their atomic nuclei but differing numbers of neutrons. Radioisotopes are radioactive isotopes of an element. They can also be defined as atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus.
In equation (A) there is the reaction happening when you dissolve formic acid in water to form a solution (formic acid have a weak acidic character).
In equation (B) there is the reaction happening when you dissolve methyl-amine in water to form a solution (methyl-amine have a weak basic character).
In equation (C) you may see the reaction that you obtain when the formic acid solution and methyl-amine solution are mixed together.