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4. Balance the following chemical equations a) A3B5C9D3 → AC2 + D2 + C2 + B₂C...
3. A) The density of a metal cube is 45.0 g/L and has a mass of 2.55 kg. What is the length of one side of the cube? B) Calculate the following: 4.4 x 103 +2.22 x 10-1 I 4. Balance the following chemical equations a) A:B.CD3 → AC2 + D2 + C2 + B2C b) ABC3 + D2 + E -> BD4 + AD3 + EC
4. Balance the following chemical equations a) A,B,CD à AC, +2, + C + B,C b) ABC, + D, +E -> BD, + AD, + EC
Balance the following chemical equations AB + C2 à A8C18 + C2B ABC3 + A2D -> A10B10D15 + AC A compound designated as AB2C, has a total valence electrons of 26 where each element B and C has 7 valence electrons. Element A is the least electronegative. Draw a reasonable Lewis structure. What is the molecular shape of your Lewis structure Is your structure polar or non polar A 33 g hot piece of metal at 450K is placed in...
Given the following equations: (i) B2+ + C --> B + C2+ doesn't go (ii) D+ B2+ --> D2+ + B (iii) 2 A3+ + 3D --> 2 A+ 3 D2+ doesn't go Arrange the elements A, B, C, and D from the strongest to weakest reducing agent. goes
2. a) What is the maximum amount of salt (in grams) that can be produced when 33 mL of 0.113 M of barium hydroxide reacts with 7.41 x 1021 molecules of sulphurous acid? b) Does the reaction result in a basic, neutral or acidic solution? 4. Balance the following chemical equations a) A2Bs + C2 → AC2 +B2C b) A + BCD + D2EC4 + D2C -> BA(ECA)2 + D2 + D2C
33. Balance the following equations: a. PC13 + H2O → H3PO3 + HCl b. O2 + H2S → SO2 + H2O c. HCl + MnO2 MnCl2 + 2H2O + Cl2 -> 450 34. Balance the following equations: a. TiCl4 + H2O → TiO2 + HCl b. VCI3 → VCl2 + VC14 c. Cr2O3 + Al → Al2O3 + Cr
Question 4 Please covert these word equations to chemical equations and balance them. I Silver iodide+ sodium sulfide --> silver sulfide + sodium iodide silicon tetrachloride + water ---> silicon dioxide + hydrochloric acid mercury(11) hydroxide + phosphoric acid water mercury(II) phosphate + О o et
> Question 4 2 pts Predict the products of the following reaction, then write and balance the chemical equation potassium and nitrogen react to form ???? HTML Editor
solve the system of equations for c1, c2, d1, and d2. none of the variables are zero. (i) o.o2 3903: С, 119.058)-0, +12(19 1S8)-4×(o 9747) (1) 0.023208- C.( 19.8%)o, + Ct(19.855)-h (3) 0.022 543 C, 20 05320.053 ) 0.021 873 C, 20.2520.2540.9740 -D (i) o.o2 3903: С, 119.058)-0, +12(19 1S8)-4×(o 9747) (1) 0.023208- C.( 19.8%)o, + Ct(19.855)-h (3) 0.022 543 C, 20 05320.053 ) 0.021 873 C, 20.2520.2540.9740 -D
e) Use the triangle inequality to prove that (ac + bd)2 (a2 + b2)(c2 + d2) for all a, b, c, d e R. Total: [20 marks] e) Use the triangle inequality to prove that (ac + bd)2 (a2 + b2)(c2 + d2) for all a, b, c, d e R. Total: [20 marks]