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Calculate the heat of formation of water from its constituent elements from the following information: 3 H2 (g) + O3 (g) → 3H2O ∆H = ? 2 H2 (g) + O2 (g) → 2H2O ∆H = - 483.6 3 O2 (g) → 2O3 (g) ∆H = 284.5 You are given 2.0 grams of zinc and 2.5 grams of sil...

1. What is the solution of the system? 4x + 3y = 12 7x + 5y = 26 A. (18, 20) B. (18, -20) C. (-20, 18) D. (20, 18)

Calculate the heat of formation of water from its constituent elements from the following information: 3 H2 (g) + O3 (g) → 3H2O ∆H = ? 2 H2 (g) + O2 (g) → 2H2O ∆H = - 483.6 3 O2 (g) → 2O3 (g) ∆H = 284.5 You are given 2.0 grams of zinc and 2.5 grams of sil...

2.0g Zn= 0.0305mol 2.5gAgNO3 =0.0147mol I am stuck after this. I cannot come to the correct answer.

Hey that girl I am working on that test now can you help me?

are you kidding me^ they were almost all wrong except 2 you are a joke

Kaylee is wrong you know whats sad, you lied

its b people its so obvious. ive learned this