If 1.85*10^23 carbon 13 how many electrons are in carbon 13

For a particular reaction, ΔH° is 67.7 kJ and ΔS is 126.9 J/K. Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction? For a particular reaction, ΔH° is 67.

HBr + Mg (OH) 2 MgBr2 + H2O

dentify the missing information for each atom or ion. Note that the atoms and ions are not necessarily neutral. A Se ion has a mass number of 78 and a charge of - 2. Determine the number of neutrons, protons, and electrons in this ion.

If equal volumes of 0.8M sodium lactate and 0.4M lactic acid are mixed, and the pKa of lactic acid is 3.86, the final of the solution pH should be

What are the tiny magnetic area that can be either aligned or misaligned

What is every stored in atomic bonds called

What happens to energy when Sally kicks a soccer ball? A. Kinetic energy is transformed to chemical energy in muscles. B. Potential energy is transformed to chemical energy in muscles. C. Kinetic energy is transferred from the leg to the soccer ball.

6. Which of the following statements correctly describes what happens to the diaphragm during an inhalation, when the lungs inflate? O A. The diaphragm returns to its resting state. O B. The diaphragm contracts and flattens. O C.

A column is filled with four different liquids of different densities. A red liquid, a blue liquid, a green liquid, and a purple liquid are all added into the column. This chart shows the densities of the liquids.

Metals are used in many products because of the characteristic properties that most metals have. Which product requires the high luster of metals in order to work?