If an atom has an atomic number of 8 and a mass number of 18, how many protons, neutrons, and electrons are in the atom?

What are two variables that affect kinetic energy

At 65 degrees celsius, which compound has a vapor pressure of 58 kilopascals? 1. ethanoic acid2. ethanol 3. propanone 4. water

What do the symbols in parenthesis indicate? C7H16 (l) + 11O2 (g) 7CO2 (g) + 8H2O (l) a the physical state of each reactant and product b the catalyst used in the reaction c the number of atoms of each reactant and product d the unit of reactant and

Distinguish between temperature and thermal energy

What is one advantage of using a computer over a graphing calculator? Computers are more useful for quick calculations. Computers are easier to transport to remote locations. Computers have lower power consumption.

What is true about empathy? Most anyone can learn this skill. Not everyone can learn this skill. It is a desirable attribute. choices A and C

What effect can new observations have on a scientific theory

The total number of valence electrons in the phosphate ion is

The reaction below has an equilibrium constant kp=2.2*106 at 298 k. 2cof2 (g) ⇌co2 (g) + cf4 (g) calculate kp for the reaction below. cof2 (g) ⇌12co2 (g) + 12cf4 (g)

The electrical conductivities of the following 0.100 M solutions were measured in an apparatus that contained a light bulb as the indicator of conductivity. Rank the solutions in order of decreasing intensity (brightest to dimmest) of the light bulb.