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3 years ago

Not gonna lie.....I need help with this my guy.

Chemistry

1 answer:

ElenaW [278]3 years ago

5 0

Sex cellllllllll lollllll

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CO2 + H2O - H2CO3<br> The reaction above is classified as

Elena L [17]

Answer:

Nonmetal oxides react with water to form oxyacids. Ex. CO2 + H2O → H2CO3 Page 3 Decomposition - compound (reactant) breaks down into 2 or more simpler substances.

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3 years ago

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The diagram below shows students set-up for the preparation and collection of oxygen gas

dmitriy555 [2]

Answer:

iodine sodium preocide

Explanation:

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3 years ago

Help please and thanks

Likurg_2 [28]

The first one is 2
The second is 1
The third is 6
And the fourth is 3

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3 years ago

N2(g) + 3H2(g) → 2NH3(g) How many grams of N2 are required to produce 240.0g NH3?

just olya [345]

Answer:

$\large \boxed{\text{197.4 g}}$

Explanation:

We will need a chemical equation with masses and molar masses, so, let's gather all the information in one place.

Mᵣ: 28.01 17.03

N₂ + 3H₂ ⟶ 2NH₃

m/g: 240.0

(a) Moles of NH₃

$\text{Moles of NH}_{3} = \text{240.0 g NH}_{3}\times \dfrac{\text{1 mol NH}_{3}}{\text{17.03 g NH}_{3}}= \text{14.09 mol NH}_{3}$

(b) Moles of N₂

$\text{Moles of N$_{2}$} = \text{14.09 mol NH}_{3} \times \dfrac{\text{1 mol N$_{2}$}}{\text{2 mol NH}_{3}} = \text{7.046 mol N$_{2}$}$

(c) Mass of N₂

$\text{Mass of N$_{2}$} =\text{7.046 mol N$_{2}$} \times \dfrac{\text{28.01 g N$_{2}$}}{\text{1 mol N$_{2}$}} = \textbf{197.4 g N$_{2}$}\\\\\text{The reaction requires $\large \boxed{\textbf{197.4 g}}$ of N$_{2}$}$

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3 years ago

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Which of the following lists the characteristics that all matter has?

motikmotik

It has mass and takes up space is correct.

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3 years ago

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