How many moles are in 24 grams of FeF3

Which type of particle retains the identity of an element during a chemical reaction?

An isolated insulated cylinder contains 15.40 grams of neon gas and a 62.30-gram bronze medal in thermal contact. When the bronze medal was put into the cylinder, its temperature was 72.30°C.

Which group of elements on the periodic table forms covalent compounds with other nonmetals

How many grams are in 8.9 moles of CaCO3

For the process 2SO2 (g) + O2 (g) 2SO3 (g), S = - 187.9 J/K and H = - 198.4 kJ at 297.0 K are known. What is the entropy of this reaction? Use G = H - TS. A) - 386.3 J/K B) - 198.4 kJ/K C) - 187.9 J/K D) - 139.3 kJ

Triacylglycerols (triglycerides) are the form of lipids that are efficient reserves for storage of energy, and are found in adipose tissues. (T/F)

1.) C6H12O6 (aq) is a (an) ? A. Ion in solution B. Dilute solution C. Ion in a crystal D. Dissolved Molecule 2.) 2.60 moles of LiCl is dissolved in 230. mL of water. What is the resulting molarity? (Hint: Change unit mL to L before you divide.) A. 2.

Which of the following is Not true of atoms? a. they are combined to form molecules b. they combine to form compounds

A nurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. If the stock bottle is labeled 25 mg/mL and the order is a dose of 11.0 mg, how many milliliters will the nurse draw up in the syringe?

To show the electron configuration for an atom, what is the advantage of using an orbital notation compared to a dot structure? Orbital notation takes up less space. Orbital notation shows the spin of the electrons.