Chemistry Homework Assistance

QuestionAI's chemistry problem solver is a middle school chemistry tutoring tool that summarises key chemical reactions and equations in real-time, featuring a robust learning system to empower even those with a weak foundation in chemistry.

You needn't fret over the elemental properties of the periodic table anymore. Here, you can effortlessly access chemical reactions and reaction principles corresponding to each element. Deductive reasoning from microscopic phenomena to discern the original structure of molecules and atoms is a research technique we staunchly champion.

4. Calculate the atomic mass of silver based on the following information: (}_(47)^107Ag=52% ()_{47)^108Ag=48% Predict the atomic mass of Ag: Prediction: __ Calculate the atomic mass of Ag: Answer: __ (show all work)

Question 9 of 25 Which product forms from the reaction between nitrogen (N) and chlorine (CI)? A. NCl_(3) B. N_(2)Cl C. N_(3)Cl D. NCI

Soluble salts can be made from the reaction of -(1) with either soluble or insoluble -(2) such as hydroxides. carbonates or metal oxides. 1: acids; 2: salts 1: alkalis; 2: bases 1: alkalis; 2: salts 1: acids; 2: bases

12). Give three (3) assumptions /postulates of the Bohr's model of the atom (3 marks) __ __ ....... ............... 13) Calculate the energy of an electron in the 2^nd shell of the hydrogen atom (2 marks) __ __ . ....... __ 14). With two examples define the term polymorphism (3 marks).............................................................................. IIIIII ...11111 ..... 15). Solids imperfections are generally classified into four divisions namely (4 marks)

Question One 4) State the direction of movement of electrons in a conductor. (ii) Name the types of conductors. (iii) In one type of conductor, the particles that make up the conductor is not involved in conduction process.Name the conductor and what the particles do during conduction. (iv). Chemical changes in electrolytic conductors are a function of __ and __ (v). When a number of ions are present for discharge at an electrode what f factor determines the preferred ion for discharge? (vi). How do ions move in a closed circuit? (vii). The term conductance means __ (viii). Conductivity or specific conductance is __ (ix)What is the merit of knowing the transport of charged species? (x) State the mathematical definition of conductance. &= Question Two a. The equation wedge _(m)=(K)/(C) defines the molar conductivity of a solution (i) Define the terms (ii Why does the value of Lambda _(m) in the equation strongly depend on the concentration of th solution? (iii)What is the unit of Lambda _(m) ? (iv) State Kohlarausch's law. (v) State the law o independent migration b. Write notes on mobility of ions. c. On the basis of Debye Hủckel-Onsaga r Theory of conductance , explain the reductio in equivalent conductance of weak and strong electrolytes.