3 years ago

What does NO5 stand for?

Chemistry

1 answer:

nekit [7.7K]3 years ago

3 0

1- Nitrogen 5- Oxygen maybe, i can't find it on the periodic table

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Which wave has the greatest distance from trough to trough?

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What mass of hydrogen is required to react with 24.7 g of nitrogen?

yaroslaw [1]

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3 years ago

How many moles of k3po4 can be formed when 4.4 moles of h3po4 react with 3.8 moles of koh

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3 years ago

How many moles are in 8.32 times 1024 molecules of CO2

Svetradugi [14.3K]

Answer:

13.8 mol CO₂

General Formulas and Concepts:

Chemistry - Atomic Structure

Using Dimensional Analysis
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

Step 1: Define

8.32 × 10²⁴ molecules CO₂

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

$8.32 \cdot 10^{24} \ molecules \ CO_2(\frac{1 \ mol \ CO_2}{6.022 \cdot 10^{23} \ molecules \ CO_2} )$ = 13.816 mol CO₂

Step 4: Check

We are given 3 sig figs. Follow sig fig rules and round.

13.816 mol CO₂ ≈ 13.8 mol CO₂

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3 years ago

Clary ran 20 miles in four hours. What was her average speed?

Nady [450]

5 miles per hour

20/4=5

4 0

3 years ago

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