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3 years ago

How does light emitted from a neon sign differ from sunlight?

Chemistry

2 answers:

Margarita [4]3 years ago

6 0

Answer:

The light from a neon light only emits certain colors, while sunlight emits all colors.

Tamiku [17]3 years ago

4 0

Answer:

Well the light from a neon sign contains only a certain visible colors, while sunlight contains the full spectrum of colors. Neon sign produce emission spectrum.

Notes:

When neon atoms absorb energy and release it, its atomic emission spectrum consists of several individual lines of color. It's not a continuous range of colors, as in white light.

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A certain substance X has a normal freezing point of -10.1 degree C and a molal freezing point depression constant K_f = 5.32 de

kirill115 [55]

Answer: $-15.4^00C$

Explanation:

$T^0_f-T_f=i\times k_f\times \frac{w_2\times 1000}{M_2\times w_1}$

where,

$T_f$ = boiling point of solution = ?

$T^o_f$ = boiling point of solvent (X) = $-10.1^oC$

$k_f$ = freezing point constant = $5.32^oC/kgmol$

m = molality

i = Van't Hoff factor = 1 (for non-electrolyte like urea)

= mass of solute (urea) = 29.82 g

= mass of solvent (X) = 500.0 g

$M_2$ = molar mass of solute (urea) = 60 g/mol

Now put all the given values in the above formula, we get:

$(-10.1-(T_f))^oC=1\times (5.32^oC/m)\times \frac{(29.82g)\times 1000}{60\times (500.0g)}$

$T_f=-15.4^0C$

Therefore, the freezing point of solution is $-15.4^0C$

7 0

2 years ago

Acid and base ph PhET simulation lab

astra-53 [7]

Answer:

Test the pH of things like coffee, spit, and soap to determine whether each is acidic, basic, or neutral. Visualize ... Investigate whether changing the volume or diluting with water affects the pH. ... Original Sim and Translations ... Lab, Chemistry.

8 0

2 years ago

Gravity is an example of which type of force?

GuDViN [60]

Answer:

attractive force

Explanation:

hope this helps, pls mark brainliest :D

3 0

3 years ago

When the pH decreases from 6 to 3, the hydrogen ion, H+, increases by what?

Irina-Kira [14]

pH decreases as the hydrogen ion concentration increases.

Explanation:

When there is a decrease in pH, that is pH decreases from 6 to 3 then the acidity increases.

That is the pH is between 1 to 7 then it is acidic

When the pH is 7 then it is neutral

When the pH is between 7 to 14 then it is basic

As the H⁺ ion concentration increases, then the pH value decreases, here pH decreases from 6 to 3.

So the concentration of Hydrogen ion increases, pH decreases.

3 0

2 years ago

What is a daughter cell

Leno4ka [110]

The cells that result from the reproductive division of one cell during mitosis or meiosis

6 0

2 years ago

Read 2 more answers