Identify which of the following equations are balanced.
Check all that apply.
| SF4(g)+2F2(g)→SF6(g)SF4(g)+2F2(g)→SF6(g) |
| 6Li(s)+N2(g)→2Li3N(s)6Li(s)+N2(g)→2Li3N(s) |
| Mg(s)+N2(g)→Mg3N2(s)Mg(s)+N2(g)→Mg3N2(s) |
| PCl3(l)+Cl2(g)→PCl5(s) |
Identify which of the following equations are balanced. Check all that apply. SF4(g)+2F2(g)→SF6(g)SF4(g)+2F2(g)→SF6(g) 6Li(s)+N2(g)→2Li3N(s)6Li(s)+N2(g)→2Li3N(s) Mg(s)+N2(g)→Mg3N2(s)Mg(s)+N2(g)→Mg3N2(s) PCl3(l)+Cl2(g)→PCl5(s)
Identify which of the following equations are balanced. 2KMnO4(s)→K2MnO4(s)+MnO2(s)+O2(g) C(s)+O2(g)→CO(g) 6Li(s)+N2(g)→2Li3N(s) SF4(g)+2F2(g)→SF6(g) Part B Calculate the final pressure, in atmospheres, for each of the following, if volume and amount of gas do not change. a)A gas with an initial pressure of 1.22 atm at 67 ∘C is cooled to − 31 ∘C. b)A sample of N2 with an initial pressure of 810. mmHg at − 75 ∘C is heated to 31 ∘C.
10 General, Organic, & Biological Chemistry; Fall Part A Identify which of the following equations are balanced. Check all that apply. 6Li(s) + N2(g) →2Li;N(s) SF2(g) +2F2 (g) SF6 (8) PC13 (1) + Cl2(g) →PC15(s) C(s) + O2(g) →CO(g) Submit Previous Answers Request Answer Part A Identify which of the following equations are balanced. Check all that apply. Li(s) + N2(g)—2Li; N(s) SF_(g) + 2F2(g) +SF6(g) PC13 (1) + Cl2(g) →PC15 (s) C(s) + O2(g)--CO(g) Submit Previous Answers Request Answer
All the following are oxidation–reduction reactions except: a.) H2(g) + F2(g) → 2HF(g). b.) Ca(s) + H2(g) → CaH2(s). c.) 2K(s) + 2H2O(l) → 2KOH(aq) + H2(g). d.) 6Li(s) + N2(g) → 2Li3N(s). e.) Mg3N2(s) + 6H2O(l) → 3Mg(OH)2(s) + 2NH3(g).
Which of the following reactions are redox reactions? Check all that apply. Check all that apply . Al(s)+3Ag+(aq) = Al3+(aq)+3Ag(s) SO3(g)+H2O(l) = H2SO4(aq) Ba(s)+Cl2(g) = BaCl2(s) Mg(s)+Br2(l) = MgBr2(s)
Part A Which of the following reactions are redox reactions? Check all that apply. Check all that apply. Al(s)+3Ag+(aq)→Al3+(aq)+3Ag(s) SO3(g)+H2O(l)→H2SO4(aq) Ba(s)+Cl2(g)→BaCl2(s) Mg(s)+Br2(l)→MgBr2(s)
which if the following equations balanzed? select all that apply. Mg(s)+2HCl(aq) --> MgCl2 (aq) +H2 (g) 3Al(s) + 3Br2(I) --> Al2Br3 (s) 2HgO(s) --> 2Hg(I) + O2 (g) N2+O2--> 2NO 2H2O2 --> 2 H2 +O2
Which of the following reactions are redox reactions? Check all that apply. Check all that apply. Al(s)+3A g + (aq)→A l 3+ (aq)+3Ag(s) S O 3 (g)+ H 2 O(l)→ H 2 S O 4 (aq) Ba(s)+C l 2 (g)→BaC l 2 (s) Mg(s)+B r 2 (l)→MgB r 2 (s)
Antimony can react with chlorine gas to give antimonytrichloride. _____ Sb(s) + _____ Cl2(g)?_____ SbCl3(l) Which of the following is the best set of stoichiometric coefficients to balance this equation? (a) 1, 1, 1 (b) 1, 3, 2 (c) 4, 6, 4 (d) 2, 3, 2 (iv) The very stable compound SF6 is made by burning sulfur in an atmosphere of fluorine. S8(s) + 24 F2(g)?8 SF6(g) If you need 2.50 moles of SF6, you will need to use (a)...
2. Which of the following equations will have a negative ∆S? A. 3 H2(g)+ N2(g) --> 2 NH3(g) B. C6H6(l)--> C6H6(g) C. NH4OH(s)--> H2O(l)+ NH3(g) D. NaCl(s) --> Na+(aq) + Cl-(aq)
Determine which of the following chemical equations are correctly balanced. Fe2O3(s)+CO(g)→2Fe(s)+CO2(g) Al2S3(s)+H2O(l)→2Al(OH)3(s)+3H2S(g) 2Cr(s)+3O2(g)→Cr2O3(s) SiO2(s)+4HF(aq)→SiF4(g)+2H2O(l)