True or False

the way energy flows through an ecosystem can be shown through a food web

A relativistic proton has a momentum of 1.0 * 10-19 kg · m/s and a rest energy of 0.15 nJ. What is the kinetic energy of this proton? (c = 3.00 * 108 m/s, mproton = 1.67 * 10-27 kg)

If the atom is assumed to be a sphere, what is the volume in cm3 of a single copper (cu) atom?

What caused the dark peppered moth to flourish after the Industrial Revolution?

A 155.0 9 piece of copper at 182 °C Is dropped into 2500 g of water at 23.9 °C. (The specific heat of copper is 0.385 1/9°C.) Calculate the final temperature of the mixture. (Assume no heat loss to the surroundings.)

Reacting molecules or ions in a solution at room temperature are in constant motion and collide. some collisions lead to a formation of product and some do not. what determines whether a reaction will take place?

What would seasons be like if the revolution around the sun took 2 years

Which of the following is true about all electromagnetic waves in a vacuum? a. they all carry the same energy. b. they all travel at the same speed. c. they all have the same frequency. d. the all have the same wavelength.

The model of the atom where the central core contains protons and neutrons surrounded by a cloud of electrons is best described as A) The Bohr model of the atom. B) The modern model of the atom. C) The plum pudding model of the atom.

How would you figure the number of protons or electrons in an atom

If element X has 67 protons, how many electrons does it have?