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- LIFE SCIENCES/GRADE 10 9 FET MDUGUST 2024 ESTION 3 Read the extract below and answer the questions that follow Carolus Linnaeus established a hierarchical classification system of grouping similar organisms together. He grouped organisms from broad groups called Kingdoms down to the smallest groups called species. By making use of his system, a lion is fully classified as follows; Animalia, Chordata, Mammalia, Camivore, Felidae, panthera e 3.1.1 According to Linnaeus' system, which class does the lion belong to? 3.1.2 The lion's scientific or binomial name, panthera leo, has been written incorrectly Rewrite it correctly 3.1.3 Why is it necessary for organisms to have scientific names? The table below shows the results of an investigation which measured the average global carbon dioxide levels in the atmosphere over a five-year period (1) (2) (2) (5) Year Carbon dioxide level (parts per million) 2004 376.0 2005 377,0 2006 379,5 2007 381,0 2008 383,5 3.2.1 Draw a line graph to show the…⠀⠀ a "1" if necessary - do not leave any blanks. Identify the type of reaction. 1. 2. 3. PROBLEMS Balance the following equations by adding coefficients. Do not leave blank spaces - use a "1" if necessary. Identify the type of reaction in the right column. 4. 5. Type of Reaction: Combustion rxn Balanced Equation H4AS207 → N₂ + Nal+ PbCrO4 + C6H14 + 0₂ → 26 2 Mg(s) + Br₂ → As₂O5 + 0₂- N₂O HNO3 → _NaBr + _______ Iz H₂O CO₂ + _O₂(g) → Pb(NO3)2 + _H₂CRO4 _MgO(s) PDF M ||| Type of Reaction Use < 9 ||||||||2. 3. 5. 6. 7. 1. H-B (isoamyl) ₂ /THE 2. H₂O2/NaOH / water F₂C = CH₂ + AIBN (a free radical initiator) → 2-octyne + H₂ / Pd /C / EtOH / pyridine The product of #4 + Cl₂ / CC14 (solvent) → 2- octynet NanH2, 1-78 1. Br₂ /CC1₂ (solvent) lequivalent
- Please help with 1,2, and 3(2.37) Based on the given data, set up the expression for Qp. Each reaction participant must be represented by one tile. Do not combine terms. Once the expression is constructed, solve for Qp. (2.37)² Consider the equilibrium system described by the chemical reaction below. Calculate the value of Qp for the initial set reaction conditions: 2.37 atm N₂, 4.18 atm O₂, 1.15 atm NO. N₂(g) + O₂(g) 2 NO(g) 0.232 (4.18) (4.18)² 0.116 = (1.15) (1.15)² 7.49 (4.74) (4.74)² 1 4.31 (8.36) (8.36)² = (2.30) (2.30)² (28.0) (30.0)² RESET (32.0) 0.1336. 5. 4. 3. Name: EnriQue Rivera Net Ionic Equation Worksheet Date: Period: Write balanced molecular, ionic, and complete ionic equation and net ionic equations for each of the following reactions. Assume all reactions occur in aqueous solution. 1. NaCl(aq) + _Pb(NO3)2(aq) → PbCl(s) + NaNO (aq) 44 Pb(NO₂) 1 Mid No 2. Na₂CO,(aq) + FeCl₂(aq) → FeCO3(s) + NaCl(aq) Mg(OH)2(aq) + → MgCl₂(aq) + _K2(C204)(aq) + NH4)3PO4(aq) + LiOH(aq) HCl(aq) →_ CaCl₂(aq) → Zn(NO3)2(aq) -> + VCI3(aq) KCl(aq) + F₂0(1) Ca(C₂04)(s) NH4NO3( ) + LICI( ) + emistry d if the Zn3(PO4)2 ) V(OH)3() rrect ansv :wheth itation ictic
- 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 OVER1. 2. 3. 5. H₂ 504 / water / Hg504 7. 1. H-B(isoamyl)₂ /THF 2. H₂O₂/NaOH / water F₂C = CH₂ + AIBN (a free radical initiator) → 2-octyne + H₂ / Pd /C / EIGH / pyridine- The product of #4 + Cl₂ / CCK (solvent) → 6. 2-octyne + NaNlH₂ / -78 → 1. Br₂ /CC1₂ (solvent) lequivalent1. Calculate the heat (q) gained by the water (lost by the metal) in the calorimeterMean value: 2. Calculate the specific heat (cp) of the metal. Mean value: 3. Determine the identity of metal and use the accepted value for specific heat capacity to calculate the percent error. Metal 1 Identity:
- 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.How would you solve the fifth question (there is only one trial to calculate the molar mass of butane for)?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 :