Homework Prove that 1. |P,P,|=-ih 2. y ||2,✰ |= 0 -iħ 3. [P.,P,]=0

Ecell  Mg‎2+(aq) + 2 e- -> Mg(s)    Mg2 + |M‎g = - 2.372  Sn4‎+(aq) + 2 e- -> S‎n2+(aq)  Sn2 + , Sn4 + |Pt = + 0.154  Cl‎2 (g) + 2 e- -> 2 Cl-(‎aq  Cl-| Cl2 |Pt = +1.‎36   Whic‎h of the follo‎wing is best reduc‎ing ag‎ent for Cl2(g)? a. Mg‎(s) b. Mg‎2+(aq  c. Sn4‎+(aq) d. Sn2‎+(aq

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Multiply both sides of the equation by the same expression: (Be sure that the answer field changes from light yellow to dark yellow before releasing your answer.) 1 1 *(-A) [A] [A]o Drag and drop your selection from the following list to complete the answer: -t 1 t = t 1 t x kt

A. B. ? C. 0 क्षा 132338 | 133333 |:A২2G ||23:AC O 0 E.

Consider the reaction described by the equation C₂H₂Br₂ (aq) + 31¯¯(aq) · C₂H₂(g) + 2 Br¯(aq) + I₂ (aq) The rate law is rate = k[C₂H₂Br₂][I] where k = 0.00475 M-¹. s-¹. S What are the missing entries in the table? Run [C₂H₂Br₂lo (M) [Ilo (M) 1 0.249 2 3 X 0.249 0.249 y 0.249 Initial rate of formation of C₂H₂ (M-s¯¹) 0.00118 0.000589 Z

a .ull Asiacel| 10 N 141 N O A box with a volume (V=0.05 m³) lies at the bottom of a lake whose water has a density of (1*10³ kg/m³). How much force is required to lift the box, .if the mass of the box is (1000 kg) 9319.5 N O 9313.9 N O 9391.5 N O 9315.9 N O A future rectangular ship filled with oil. If the dimensions of the ship are (250 m) long, (80 m) wide, and (80 m) high. Determine how far the bottom of the ship is below the sea level? (Consider the total mass of the ship with the oil is (10.2*108 kg), and the .sea density is (1024 kg/m³))

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With correct Sig Figs pls, and in the same format. Having trouble setting it up!

(0.0050 x 28000.0) + (2819 × 15) Express your answer to the appropriate number of significant digits. να ΑΣφ ? (0.0050 x 28000.0) + (2819 × 15) = Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Part D 861 x [1255 – (3.65 x 101)] Express your answer to the appropriate number of significant digits. ? 861 x [1255 – (3.65 x 101)] = Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining