3. A chemist adds 750.0 mL of a 4.54 g/dL barium chlorate [Ba(CIO3)2] solution to a flask. Calculate the mass in grams of barium chlorate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
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3. A chemist adds 750.0 mL of a 4.54 g/L barium chlorate [Ba(ClO₃)₂] solution to a flask. Calculate the mass in grams of barium chlorate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.
4. In a sense, this exercise shows experimentally the "atomicity" and "molecularity" of a reaction.
5. Gold (Au) crystallizes in a cubic close-packed structure (the face-centered cubic unit cell) and has a density of 19.3 g/cm³. Calculate the atomic radius of gold in picometers.
6. (a) Ethylene glycol (EG), CH₂(OH)CH₂OH, is a common automobile antifreeze. It is water soluble and fairly nonvolatile (b.p. 197°C; molar mass 62.01 g).
Calculate the freezing point of a solution containing 651 g of this substance in 2505 g of water. Kf of water is 1.86 °C/m.
(b) Would you keep ethylene glycol in your car radiator during the summer?
7. Give reasons for whether the aqueous solutions of the following compounds are acidic, basic, or neutral: (i) HCl, (ii) KBr, (iii) Ethyl alcohol & (iv) NH₂OH.
8. The decomposition of ethane (C₂H₆) to methyl radicals (CH₃˙), shown below is a first-order reaction with a rate constant of 5.36 x 10⁻⁴ s⁻¹ at 700°C. C₂H₆(g) → 2 CH₃(g).
Calculate the half-life of the reaction in minutes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd34ce3f1-718c-475d-b84a-2ba4a5b1af1a%2F1f43fc49-bf37-4eaa-ab8d-90b00387841f%2Fh2ku9l.jpeg&w=3840&q=75)
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