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OlgaM077 [116]
3 years ago
7

From his experiment j.j. Thomson concluded that

Chemistry
1 answer:
iragen [17]3 years ago
3 0
Particles as small as atoms exist.
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Ammonia gas combines with excess oxygen gas to produce nitric oxide and water. How many grams of ammonia gas would have to react
Sedbober [7]

Answer:

11.6g of NH₃(g) have to react

Explanation:

For the reaction:

4 NH₃(g) + 5 O₂(g) → 4 NO(g) + 6 H₂O(g) ΔH = -905kJ

<em>4 moles of ammonia produce 905kJ</em>

Thus, if you want to produce 154kJ of energy you need:

154kJ × (4 mol NH₃ / 905kJ) = <em>0.681moles of NH₃. </em>In mass -Molar mass ammonia is 17.031g/mol-

0.681mol NH₃ × (17.031g / mol) = <em>11.6g of NH₃(g) have to react</em>

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2 years ago
The reaction between NO2 and co to produce no and CO2 is thought to occur in two steps:
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Answer:

Correct option is

A

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The number of molecules of CO involves in the slowest step will be 0 because CO is not involve in the slowest step i.e. rate determing step.

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2 years ago
Honey is not a fluid since it is so thick that it has a hard time flowing.
aliina [53]
False. It is a fluid as it is in its liquid state possessing qualities of a liquid just that it is viscious
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Write a balanced net ionic equation for the following reaction. BaCI2(aq)+H2SO4(aq) -&gt; BaSO4(s)+HCI (aq)
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Ba²⁺ + SO₄²⁻ = BaSO₄
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