A 28.5 g iron shot is added to a graduated cylinder containing 45.5 ml of water. The water level rises to the 49.1 ml mark. Calculate the density of the iron shot.

How many different types of crystals are there and what are they?

Bromine is a red-orange liquid with an average atomic mass of 79.90 amu. Its name is derived from the Greek word bromos, which means stench. It has two naturally occurring isotopes: Br-79 (78.92 amu) and Br-81 (80.92 amu).

Could hydrogen fuel replace fossil fuels in the future? Why or why not?

Given the bond energies below, calculate an estimate for ΔH (kJ) for the reaction: 2CO (g) + O2 (g) - > 2CO2 (g) Bond energy (kJ/mol) : C-O, 360; C=O, 799; CO (triple bond), 1071; O2, 498

Duties that are often performed by pharmacy technician include

Compound made up of only xenon and fluorine contains 22.44% fluorine by weight. what is the molecular geometry of this compound?

Which ions are spectator ions in the formation of a precipitate of agcl via combining aqueous solutions of cocl2 and agno3?

Marissa is learning about the unique properties of waves. She has learned that whenever the wavelength of a wave increases, the frequency of the wave decreases.

Which answer choice best explains why uranium-238 can be used in power plants to generate electricity? A) Nuclides of uranium-238 decay over time. They release large amounts of energy as their nuclei break apart.

Explain how you can use physical properties to compare substances.