Two moles of oxygen gas is reacted with hydrogen gas to produce water in this reaction: 2 H2 + O2 → 2 H2O In the lab you actually made 33.1 grams of water. What is the percent yield? 218.10% 91.80% 45.87% 54.50%

Alkaline earth metals are very reactive because of how many valence electrons?

An unopened, cold 2.00 L bottle of soda contains 46.0 mL of gas confined at a pressure of 1.30 atm at a temperature of 5.0oC. If the bottle is dropped into a lake and sinks to a depth at which the pressure is 1.52 atm and the temperature is 2.

What criteria are used to classify matter?

What is 251 in scientific notation

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium

How many moles of CO will be produced, if 32.5grams of H2O are produced? C6H6S+6O2=>6CO+3H2O+SO3

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.