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3 years ago

White light is made up of

Chemistry

2 answers:

Scrat [10]3 years ago

6 0

Answer:

Explanation:

White light is actually made of all of the colours of the rainbow because it contains all wavelengths, and it is described as polychromatic light

lys-0071 [83]3 years ago

6 0

Answer:

C. a spectrum of many different colors of light.

Explanation:

White light is made up of all the colors and all wavelengths.

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A textbook measures 250 mm long, 225 mm wide and 50 mm thick. What is the volume of this book in mm3? What is the volume of this

Dvinal [7]

Answer:

2.81 × 10⁶ mm³

2.81 × 10⁻³ m³

Explanation:

Step 1: Given data

Length (l): 250 mm

Width (w): 225 mm

Thickness (t): 50 mm

Step 2: Calculate the volume of the textbook

The book is a cuboid so we can find its volume (V) using the following expression.

V = l × w × t = 250 mm × 225 mm × 50 mm = 2.81 × 10⁶ mm³

Step 3: Convert the volume to cubic meters

We will use the relationship 1 m³ = 10⁹ mm³.

2.81 × 10⁶ mm³ × 1 m³ / 10⁹ mm³ = 2.81 × 10⁻³ m³

6 0

3 years ago

Given that Kp = 3.5 x 10-4 for the reaction 2 CO(g) <=> C(graphite) + CO2(g), what is the partial pressure of CO2(g) at eq

spin [16.1K]

Answer: The partial pressure of carbon dioxide at equilibrium is 0.0056 atm

Explanation:

The given chemical equation follows:

$2CO(g)\rightleftharpoons C\text{ (graphite)}+CO_2(g)$

Initial: 4.00

At eqllm: 4.00-2x x x

The expression of $K_p$ for above reaction follows:

$K_p=\frac{p_{CO_2}}{(p_{CO})^2}$

The partial pressure of pure solids and liquids are taken as 1 in the equilibrium constant expression.

We are given:

$K_p=3.5\times 10^{-4}$

Putting values in above expression, we get:

$3.5\times 10^{-4}=\frac{x}{(4-2x)^2}\\\\x=0.0056,718.28$

Neglecting the value of x = 718.28 because equilibrium pressure cannot be greater than initial pressure

Partial pressure of $CO_2$ = 0.0056 atm

Hence, the partial pressure of carbon dioxide at equilibrium is 0.0056 atm

4 0

3 years ago

How’s life going Yes I would like to know No guys this is not for school

Murrr4er [49]

Answer:

Good.

Explanation:

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3 0

3 years ago

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Which statement best describes an O3 molecule? ► View Available Hint(s)

nekit [7.7K]

To be honest I have no clue

6 0

3 years ago

A plant would not be able to complete photosynthesis without

Alenkasestr [34]

Answer:

Glucose

Explanation:

It's the food plants need to complete photosynthesis.

5 0

3 years ago

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