How many molecules are in 6.0 moles of methane (CH4)

56. In the periodic table, how many elements are found in each of the following? a. the halogen family b. the alkali family c. the lanthanide series d. transition metals

Given the following list from the activity series of metals (from most active to least active) K, Na, Al, Mn, Cr, Cd, Co, Pb, Hg which reaction would you NOT expect to occur? 1. Co²⁺ (aq) + Al (s) → Al³⁺ (aq) + Co (s) 2.

What group of elements is most likely to contain elements that will be found free in nature?

A 1.00 liter sample of H2 gas is collected at 25.0°C and 202.6 kPa. What volume does this sample occupy at STP

Herbicides: 1. are used to kill insects 2. can increase crop yields by killing weeds 3. supply plants with nutrients and minerals 4. are only used with hybrid plants

How many neutrons does europium - 151 have? What's is the isotopes mass number?

How many molecules are in 3.55 miles of Aluminum Sulphate

A flexible container has a volume of 22.5 liters when there is 1.00 moles of gas in it at STP. Determine the number of miles of gas that must be contained if the volume is increased to 30.0 liters.

The density of aluminum is 2.70g/mL. What is the volume in mL of 74.5 grams of aluminum?

How many atoms are in 5 moles of sulfur