Which element do you expect to be most like magnesium? Why?

a.) potassium

b.) silver

c.) bromine

d.) calcium

e.) lead

For the reaction CO+2H2=CH3OH at 700 K, equilibrium concentrations are [H2]=0.072 M, [CO] = 0.020M, and [CH3OH] = 0.030 M. Calculate K

What is the mass of the solution when 1 pound of salt is dissolved in 20 pounds of water?

Abdid is an astronomer who has been observing objects that orbit the Sun in the asteroid belt. He finds a previously undiscovered round, rocky object that is not similar in shape to the rest of the asteroids. What has Abdid most likely found?

2NO (g) + O2 (g) - - > 2NO2 How many grams of NO are required to react fully with 5.00 mol of O2? A. 75.0 g B. 1.41 g C. 300. g D. 460. g

Which monomer is most likely to form an addition polymer? a substituted hydrocarbon, such as chloroethane an unsaturated hydrocarbon, such as propene a compound with a carboxyl group and an amino group a saturated hydrocarbon, such as ethane?

How is electricity generated in a nuclear power plant?

Where do the materials used to make electronic devices come from

Which of the following are likely to form an ionic bond? -silicon and oxygen -oxygen and oxygen -carbon and hydrogen -magnesium and oxygen

The proper name for a carbohydrate polymer with 2 subunits is

Suppose a thermometer has marks at every one degree increment and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks. We should properly report the temperature measurement as: