What is the mass of 7 moles of Fe2O3

The 1s orbital (s) do (es) not have any nodes. the 1s orbital (s) has (have) a node at the nucleus. the 3d orbital (s) has (have) a cloverleaf shape, with four lobes of electron density around the nucleus and two perpendicular nodal planes.

How many moles are represented by 118 grams of cobalt? cobalt has an atomic mass of 58.93amu

The vapor pressure of 10 mL of ethanol at 20C is 5.85 kPa. What is the vapor pressure of 20 mL of ethanol at the same temperature?

The balanced equation below represents a molecule of bromine separating into two bromine atoms. Br2-->Br + Br What occurs during this change? (1) Energy is absorbed and a bond is formed. (2) Energy is absorbed and a bond is broken.

Choose the number for the word the description matches. The two ends of a magnet An object that is always magnetic The area where the magnetic force is present An object that is magnetic only when in the presence of another magnet An object with two

The equilibrium constant for the production of carbon dioxide from carbon monoxide and oxygen is kc=2*1011 this means that the reaction mixture at equilibrium is likely to consist of

Arrange these compounds in order of increasing standard molar entropy at 25°C: C3H8 (g), C2H4 (g), ZnS (s), and H2O (l).

A gas has a temperature of 14 degrees C and volume of 4.5 liters. If the temperature is raised to 29 degrees C and the pressure is not changed, what is the new volume of the gas? .

What groups of elements do not have a charge and why

How many grams of Br are in 2.0 moles of CaBr2?