Matter thag is made up of only one kind of atom

The town in the video stressed using locally made goods instead of imported goods. How could using locally made goods lower CO2 emissions?

What are the properties of the following material which make the suitable for the use given: 1. Glass in Windows 2. wooden or plastic handles on a saucepan. 3. metals used for making airplanes

A textbook measures 250mm long, 224mm wide, and 50.0mm thick. I has a mass of 2.94kg. what is the volume of the book in cubic meters

What do Lewis structures show? Question 7 options: only electrons that are unavailable for bonding all but the valence electrons only valence electrons all electrons

An example of the Hertzsprung-Russell diagram is shown above. Using this diagram, what can you say about white dwarfs? (Hint: Notice that the temperature on the x-axis is hotter on the left and cooler on the right.) A. They are very bright and hot.

Which statement is true according to the kinetic theory? 1. Moles of different gases with the same mas and temperature always have the same average density. 2.

A substance with a pH of 9 has A) no H30 + ions or OH - ions. B) more H30 + ions than OH - ions. C) more OH - ions than H30 + ions. D) the same number of H30 + ions as it does OH - ions.

Consider the following quantities used in thermodynamics: E, H, q, w, S, G. How many of them are state functions? a. 2 b. 0 c. 3 d. 1 e. 4

What are some good problem statements

A 5.00L reaction vessel is filled with 1.00mol of H2, 1.00mol of I2, and 2.50mol of HI. If equilibrium constant for the reaction is 129 at 500k, what are the equilibrium concentrations of all species?