The mass number of Fe2 + is 56. How many neutrons are there in a single Fe2 + atom? 28 30 56 58

What is a synonym for solar noon

If a house was viewed through infrared goggles, where would the most heat be seen? A. in the basement B. along the walls C. on the first floor D. near the roof

Find the molar mass of 30Si if the average molar mass of Si is 28.09 g/mol? Silicon has three naturally occurring isotopes (28Si, 29Si, and 30Si). The molar mass and natural abundance of 28Si are 27.98 g/mol and 92.

How many mm Hg are in 55 psi?

How is the evidence from a fire scene collected? What should be avoided?

As the average kinetic energy of the particles in a gas increases, which of the following occurs? The temperature of the gas increases. The temperature of the gas decreases. The number of particles increases. The number of particles decreases.

What is the type of strong chemical bond between carbon, hydrogen, and oxygen atoms in a single organic molecule?

0.100 mol of CaCO3 and 0.100 mol CaO are placed in an 10.0 L evacuated container and heated to 385 K. When equilibrium is reached the pressure of CO2 is 0.220 atm. 0.

What is true about the charges of transition metal ions?

A gas obeys the ideal-gas equation of state P V = N k T, where N = n NA is the number of molecules in the volume V at pressure P and temperature T and n is the number of gm-moles of the gas.