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In the following reaction, which substance is acting as the Brønsted-Lowry acid? NH3 + H2O--->NH4+ + OH-
It is the H2O because it lose a H+ to give OH- Please rate good and have a nice day !
Expert answered|Doki|Points 30|
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Asked 6/12/2011 4:39:03 PM
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What is the pH of a solution with a concentration of 1.8 × 10-4 molar H3O+?
Weegy: It has a pH of -log(1.8x10^-4), that is to say a pH of 3.7 it is therefore an acid solution. Hope it helps, please rate good and have a nice day! User: Explain, in terms of particles, concentration, and reaction rate, what you expect to happen when ethene gas (C2H4) and water vapor are sealed in a flask and reach a state of equilibrium. C2H4 (g) + H2O (g) C2H5OH (g) (More)
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Asked 6/12/2011 4:40:00 PM
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What is the oxidation number of each phosphorus atom (P) in the compound calcium phosphite, Ca3(PO3)2?
Weegy: PO3 is -3 as a polyatomic ion. O is -2. -2*3 = -6. P therefore has to be +3 in this compound. User: In the following reaction, which substance is acting as the Brønsted-Lowry acid? NH3 + H2O NH4+ + OH- (More)
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Asked 6/12/2011 4:35:05 PM
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Which of the following is the best explanation why some reactions appear to stop before all the reactants are converted to products? The reaction goes to completion. The reaction reaches equilibrium and the products stop being formed. The reversible reaction occurs at the same rate. The limiting reactant prevents the forward reaction occurring.
Weegy: The reversible reaction occurs at the same rate. This is known as when equilibrium is reached and the rate of the reaction (forward) is the same as the rate of the reverse reaction. Source: Chemistry major. User: Which of the following statements is not true regarding bases? Ammonia (NH3) and Pyridine (C5H5N) are weak bases. Bases have a pH greater than 7. Strong bases undergo strong endothermic reactions when dissolved. When bases react with acids, a salt is produced. (More)
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Asked 6/12/2011 4:34:12 PM
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What is the pH of a solution with a concentration of 1.8 × 10-4 molar H3O+?
Weegy: pH can be calculated by -log(H+). Simply do: -log(1.8*10^-4) to find the pH of H3O+. (H+) in the equation stands for the molar concentration of H+ which in this example if 1.8*10^-4. Source: Chemistry Major. User: Explain, in terms of particles, concentration, and reaction rate, what you expect to happen when ethene gas (C2H4) and water vapor are sealed in a flask and reach a state of equilibrium. C2H4 (g) + H2O (g) C2H5OH (g) (More)
Question
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Asked 6/12/2011 4:39:45 PM
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Explain, in terms of particles, concentration, and reaction rate, what you expect to happen when ethene gas (C2H4) and water vapor are sealed in a flask and reach a state of equilibrium. C2H4 (g) + H2O (g) C2H5OH (g)
Weegy: Well, what happens is that when equilibrium is reached, there is an overall lowering of total pressure because 2 mols of gas react to form 1 mol of gas. [ When equilibrium is reached, the rate of C2H4 and H2O forming C2H5OH is the same as the reverse reaction occurring so it will appear as if nothing is happening (even though the RXNs occur at the same rate). Source: Chemistry Major. Please rate well, and have a nice day. ] (More)
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Asked 6/12/2011 4:43:13 PM
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