Marcel just purchased 1.69 grams of iron fillings in order to make Living Putty for his 6 year old niece. How many moles of iron are made in his sample?

Explain how the presence of several oxygen atoms ina compound containing an-OH group can make the compound acidic.

What kind of rocks are formed by the precipitation of calcium carbonate (CaCO3) from sea water? Select all that apply. Stalagmites Sandstone Stalactites Shale

How many valence electrons are in magnesium

What is the study of the relashionship of plants and animals with there physical environment

What is the molarity of sodium chloride in a solution containing 0.50 mol of sodium chlo - ride in 500 ml of water?

What organelle is primarily used in respiration

Which of the following planetary objects have the most affect on Earth's tides? sun Mars moon Venus

Ionic compounds are formed by the ... of electrons? by the what?

What is it called when energy is created without oxygen?

If 21.3 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 297 Kelvin and 1.40 atmospheres? Show all of the work used to solve this problem. 2Li (s) + 2H2O (l) - > 2LiOH (aq) + H2 (g)