Earth's first semi-permanent atmosphere consisted of abundant water vapor, carbon dioxide, nitrogen, ammonia, and traces of methane. these gases came from

Using tge equation 2H2+O2-->, if 192g of oxygen are produced, how many grams of hydrogen mist react with it?

When one s - and one p-orbital mix, the resulting hybrid orbitals have a geometry. A) Trigonal-planar B) Tetrahedral C) Linear

Balance the equation Fe (OH) 3 - > Fe2O3 + H2O

How to balance the chemical equation H2 + N2

For a price ceiling to be a binding constraint on the market, the government must set it a above the equilibrium price. b below the equilibrium price. c precisely at the equilibrium price.

Which compound conducts electricity only in the molten state? A. sodium bromide B. calcium hydroxide C. barium sulfate D. magnesium sulfate

What is going to happen to a balloon filled with helium that is left in a car over night when the temperature drops approximately 20 degrees

Members of which group easily lose an electron to form a 1 cation? A. halogens B. alkaline earth metals C. noble gases D. alkali metals

How to convert 0.000984 into scientific notation?

What is the total pressure in a 6.00-l flask which contains 0.127 mol of h2 (g) and 0.288 mol of n2 (g) at 20.0°c?