what is the subatomic particle used to define an element

Use the format of "if the. Because" when writing your hypothesis

Given the fictitious chemical equation below 2 cups of tea 1 tablespoon of dry tea + 2 cups of water What is the appropriate stoichiometric factor relating the two "reactants"? Calculate the Molar Ratios From Balanced Equations

Pyridine rings can also under electrophilic aromatic substitution. given 2-methoxypyridine below, draw the expected major product by adding in the new substitution.

Select all that apply. The rate law for the reaction 2NO (g) + CU (g) rightarrow 2NOCl (g) is given by R =

Chlorine forms from the reaction of hydrochloric acid with manganese (IV) oxide. The balanced equation is: Mn O 2 + 4HCl → MnC l 2 + C l 2 + 2 H 2 O Calculate the theoretical yield and the percent yield of chlorine if 86.0 g of Mn O 2 and 50.

Human muscle stores sugars in the form of

How much heat is needed to raise the temperature of 75 g of a substance by 15 C when the specific heat is 0.92 J/g-C?

A nitric acid solution flows at a constant rate of 5L/min into a large tank that initially held 200L of a 0.5% nitric acid solution. The solution inside the tank is kept well stirred and flows out of the tank at a rate of 10L/min.

How many molecules are in 237g (about a cup of water)

3. A compound was analyzed and found to contain 9.8 g of nitrogen, 0.70 g of hydrogen, and 33.6 g of oxygen. What is the empirical formula of the compound?