8) Use the periodic table to write the electron configuration for Si. Represent the core electrons with the symbol of the previous noble gas. (i.e. short-hand notation) Pers al use un 2021 9) Name an element in the fifth period (row) of the periodic table that fits each description: thahoo.com a) one valence electron b) a complete outer shell c) five 5p eiectrons 10) Which is an outer electron configuration of a halogen? se ony, do not reprodu ns' 04-15 ns np° ayanuo conm ns np ns np ) Periodic Trends Castiee

LIFE SCIENCES/GRADE 10 MDE/AUGUST 2024 FET SECTION B QUESTION 2 2.1 The diagram below shows part of the nitrogen cycle and the water cycle. B A 2.1.1 Identify the process at A where nitrogen in the atmosphere is converted into a usable form for plants. 2.1.2 in which form is nitrogen absorbed by plants out of the ground at B? (1) (1) 2.1.3 Which part of the water cycle is represented by C. (1) 2.1.4 Runoff water from the farm into the river at D can cause excess nutrients / fertilizers to flow into the water. What is this phenomenon called? (1) 2.1.5 Explain how the process mentioned in QUESTION 2.1.4 above might cause organisms to die in the river. ࿉C (3) (7) COPY RIGHT RESERVED PLEASE TURN OVER

20% D Safari File Edit View History Bookmarks Window Help Mon 12:47 PM 4+ G newconnect.mheducation.com My Questions | bartleby HW Set #39 (Ch1 3.8) Mail - Burgett, Alecia - Outlook ments HW Set #39 (Ch13.8) Saved Help Save & Exit Submit 3 3 attempts left Check my work cuments Click the "draw structure" button to launch the drawing utility. Report problem What monomer is used to form the following polymer? Hint еВok CH3 сH, СH, Solution nshots Print — сна— с — сн—с-сн—с 3 References Guided Solution ОСH-CH, Осн,сH3 ОсH-сH, draw structure... Mc Graw Hill 3 of 4 Prev Next NOV tv 25

(6.9: Similar to Example 6.15 & For Practice 6.15) Find the ratio of effusion rates of argon gas and chlorine gas. O 0.751 O 1.33 O 3.15 O 0.317

00 3. 2. FI Question 18 of 20 Write a balanced chemical equation based on the following description: sulfur dioxide gas and oxygen gas react to produce sulfur trioxide gas 2+ 6 7 8 口666666( 4. 5. 6. O O O O O OO (g) (aq) (1) SD Sr Reset •x H2O Delete e to search a 81°F EX |画 144 9) 6. R.

2.2.1 Gene T x m Inbox (9,414 × M Verify your e X My Question x Things I Can x Course Hom x + USC A openvellum.ecollege.com/course.html?courseld=16196689&HepID=aeb74d6324e98a415a0c4c5c32b9c2e6#10001 I Review | Constants | Periodic Table MISSED THIS? Read Section 16.6 (Pages 696 - 699) ; Watch IWE 16.5 . Part A Consider the following reaction: Fe3+ (aq) + SCN (aq) = FESCN²+ (aq) A solution is made containing an initial Fe+ of 1.2x10-3 M and an initial [SCN ] of 8.1×10-4 M . At equilibrium, [FESCN²+] = 1.8×10-4 M . Calculate the value of the equilibrium constant (Kc). Express your answer using two significant figures. View Available Hint(s) Πνα ΑΣφ ? K = Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Provide Feedback Next :

(Q27) The hydrogen gas evolved in a reaction between solid zinc and hydrochloric acid has been collected over water. The volume of water displaced is equal to 0.684 L. Given that the gas was collected at a temperature of 30.0°C and the atmospheric pressure was 736 torr, what mass (in mg) of hydrogen gas was collected? (3 sf)

3. 6. 10 11 12 13 14 Suppose a 0.036M aqueous solution of sulfuric acid (H,SO) is prepared. Calculate the equilibrium molarity of SO,. You'll find information on the properties 2- of sulfuric acid in the ALEKS Data resource. Round your answer to 2 significant digits. Submit Assignment Continue MacBoo F10 F8 F7 F6 O0 EA

2.2.1 Gene Thera X O0 Inbox (9,416) - va x b My Questions | ba x Things I Can't For X Course Home + USC A openvellum.ecollege.com/course.html?courseld=16196689&HepID=aeb74d6324e98a415a0c4c5c32b9c2e6#10001 Mooney AP Chemistry 20-21 Sign Out Help Hi, Vari v Mastering Chemistry Course Home I Review | Constants | Periodic Table MISSED THIS? Read Section о Му Сourses 16.8 (Pages 701 - 710) ; Watch KCV 16.8, IWE 16.9. Part A Course Home For the following reaction, Kc = 255 at 1000 K. CO (g) + Cl2 (g) = COC12 (g) If a reaction mixture initially contains a CO concentration of 0.1470 M and a Cl2 concentration of 0.174 M at 1000 K. What is the equilibrium concentration of CO at 1000 K? Syllabus Scores Express your answer in molarity to three significant figures. • View Available Hint(s) Pearson eText Study Area Document Sharing [CO] = M User Settings Submit Course Tools > Part B What is the equilibrium concentration of Cl2 at 1000 K? Express vour answer in molarity to three significant figures.…