Explain how Dmitri Mendeleev arranged his periodic table. How was he able to make predictions about the blanks that he left in the table?

How many grams of copper will be produced if 1.00 mole of Copper (Ii) oxide reacts in excess hydrogen gas? CuO + H2 = Cu + H2O

g Which statement about the rate of an SN1 reaction is incorrect? The solvent used can affect the rate of reaction. The concentration of reactants have no effect on the rate of reaction. The temperature can affect the rate of reaction.

Which of the following does not generally speed up a reaction? A. Increasing the activation energy B. Adding more heat C. Shaking the container holding the reaction D. Stirring rapidly

Why is hydgron content with only 2 electrons instead of 8 like atoms in periods greater than 1?

There are 125 lima beans 56 garbanzo beans 39 kidney beans and 144 green peas in a container. find the percent by number of green peas in the container, explain why.

Which two terms below BOTH describe the igneous rock granite? felsic and extrusive ultramafic and intrusive felsic and intrusive

What is the [h3o + ] in a 0.050 m solution of ba (oh) 2?

An experiment at Sandia National Labs in New Mexico is performed at an atmospheric pressure of 788.7 millimeters of mercury (mm Hg). What is this pressure in atmospheres (atm) ?

What do we know about the consumption of an enzyme durning a metabolic reaction in the body

What did Ernest Rutherford's gold foil experiment demonstrate about an atom? A. Each atom is composed of electrons and positive material. B. The mass of the atom is evenly spread throughout the atom. C. Neutrons are located in the center of the atom.