Mole, mass, atoms, molecules, conversions

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 Kelvin and 1.21 atmospheres? Show all of the work used to solve this problem. 2Li (s) + 2H2O (l) yields 2LiOH (aq) + H2 (g)

Within the same 24-hour period, when South Carolina sees a full moon during its evening hours, India on the other side of the planet sees a new moon during its evening hours. Select one: True False

Is smelting a chemical or physical process?

How many valence electrons are in a molecule of phosphoric

What is concentrated salt solution added to the tube with the cheek cells?

Radium-223 is a radioactive isotope with a half-life of 11.4 days. how long (in days) will it be before 87.5% of the sample has decayed?

Which kind of reaction is shown below? 2H2O2 → 2H2O + O2

Phosphorus has the molecular formula p4, and sulfur has the molecular formula s8. how many grams of phosphorus contain the same number of molecules as 7.88 g of sulfur?

Latitude is the only factor that determines the temperature of a region true or false?

What is the overall reaction for lactic acid fermentation?