What is the molar mass of argon? What is the mass number for dysprosium? What is the atomic mass number of carbon-13? What is the mass number of carbon-12? The atomic number of nitrogen is 7. What is the mass number of a nitrogen atom with 6 neutrons?
What does the atomic symbol represent? What is the symbol for oxygen? What chemical element is Na? What chemical element is Au? What is the molar mass of gold? What is the symbol for bromine? What is the chemical symbol for calcium in the periodic table of elements?
The rate law for a reaction is measured experimentally. If the rate is dependent on a specific species, A, the rate law is described as rate=k[A]n where k is the rate constant for the reaction, A is the molar concentration of the specific reaction species and n is the reaction order...
Density is a parameter that is expressed as the mass of the substance or compound over the volume of it. Knowing the density can help to predict the volume or the mass of a substance.Answer and Explanation: In order to determine the volume of a piece of Nickel, we need to k...
What is the most common isotope of argon? Isotopes Explained: Elements are classified by the number of protons in the nucleus of the atom. However, there is no set rule for how many neutrons can be in the atom's nucleus. Because this number can vary, we classify the different, naturally...
quite low,people who abstain completely from animal products may develop a deficiency anemia.Cyanocobalamin is the form used in vitamin supplements.It contains 4.34% cobalt by mass.Calculate the molar mass of cyanocobalamin,assuming that there is one atom of cobalt in every molecule of cyanocobalamin...
Nitrogen Uses and Properties - Nitrogen is a diatomic gas with atomic number 7 and symbol N. Know the nitrogen atomic number, the atomic mass of nitrogen and atomic weight of nitrogen. Explore the Uses of Nitrogen.
Chemistry is the branch which deals with the detailed study of matter, its properties, how and why atoms/substanced combine or separate to form other substances. Understand all the basic concepts of Organic, Inorganic, and Physical Chemistry with detaile
1) Using 3-cyanotoluene as raw material, divalent cobalt salt as catalyst, sodium bromide as cocatalyst, and oxygen in the air as oxidant, prepare 3-cyanobenzoic acid with a yield of 80-99%. The disadvantage of this method is that the reaction needs to be carried out in a sealed tube...
quite low,people who abstain completely from animal products may develop a deficiency anemia.Cyanocobalamin is the form used in vitamin supplements.It contains 4.34% cobalt by mass.Calculate the molar mass of cyanocobalamin,assuming that there is one atom of cobalt in every molecule of cyanocobalamin...