Is black ok why or not

How many moles are in 3.01 x10^22 atoms of magnesium?

At a particular temperature, 12.6 mol of SO3 is placed into a 4.0-L rigid container, and the SO3 dissociates by the reaction given below. 2 SO3 (g) equilibrium reaction arrow 2 SO2 (g) + O2 (g) At equilibrium, 3.4 mol of SO2 is present.

What is the molarity of a 500.0 ml solution containing 0.75 moles of solute?

Which metallic properties are caused by atoms rolling over each other in metallic bonds? malleability and ductility shininess and ductility conductivity, malleability, and shininess ductility, conductivity, and malleability

When 0.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 °C to 29.4 ° c. Find? Erxn for the combustion of biphenyl in kJ>mol biphenyl.

How would a solution that is labeled 5.0 molar be similar to one labeled 5.0 molal?

Calculate the percentage by mass of nitrogen in ptcl2 (nh3) 2.

Below are the structures of three fatty acids, palmitic acid, stearic acid, and oleic acid. what combination of these fatty acids could you use to make a fat that is liquid at room temperature?

According to the quantum-mechanical model of the atom established by shrödinger, where may the electrons of an atom be found?

Renewable resources cannot be replaced in our lifetime