Question

Can you also post formulas/resolutions please?

Question 9 The charge of a vanadium ion in the compound V20, 18. Question 12 The electron configuration for the 92 on is 152s22ps29p 18228238234324 18°22p3sºp 1:22:28p 1522s22p3s29p2 Question 17 What are the coefficients for the following reaction when it is balanced using lowest whales rumbers? nitragen manaxide + carbon monoxid nitronen - carton dicixitic 2.2.1.2 2.2.2.1 1,1,2,2 Question 18 Which of the following reactions must be done in water? CaOHz(8) + CO2(g) CaCO3(s) + HzOlg! | 14H: Bộ) + HNO3 + FMF • J6Q 2MO-(s) + 2Mn0(s) +09) 2HCNG) → Hz/9) CzNz19) Question 20 What is the formula for ironill) axide? Feb o fe;Oz Fello FO Feo Question 25 When the equationO 2+ C5H12 _CO2+ _H2O is balanced using lowest whole numbers, the content of G2 is 4

Answer 1

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I Qg. Arsuer (d) +5 solution charge on Oxygen = -2 2XX+ (58-2)=0 1 x=+5 z charge on Xanadium ion Q.12 Arruer. (A) 15²25²2p6gs²3p6 16+2 = 186 Solection - Tatalo é in S² = 152, 253,256, 352, 3p6 al7 Ansman (A) 2, 2, 1,2 solution No + co - H₂ + CO2 ZNO +200 N₂ + 200 cAfter balancing ) - Q10 Annuer & Nh3 aq + HNOscars - NM NO 44) Bolection The product should be ŭ liquid phase come then or in only it will aqueous phase Mater' or aqueous medium Q20 Arona (A) re o solution - Fast and oa - feat tot fer og er fe o - this will give iron oxide عدم الا كه o G + Cahiz - co + H₂O + Cs 12 - 500+ 64,0 (balanced and n 8q+Gh12 - 5cQ+690 ( Oxygend balanced)