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Iteru [2.4K]
4 years ago
14

Please help i will reward brainly! ASAP

Chemistry
1 answer:
Svet_ta [14]4 years ago
7 0
I believe the correct answer is Newtons hope this helps:)
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This shielding is a maximum for UV light having a wavelength of 295nanometers. What is the frequency in hertz of this particular
LUCKY_DIMON [66]

Answer:

\large \boxed{\text{1.016 $\times 10^{15}$ Hz}}

Explanation:

The formula relating the frequency (f) and wavelength (λ) is

fλ = c  

1. Convert nanometres to metres

295 nm = 295 × 10⁻⁹ m

2. Calculate the frequency

\begin{array}{rcl}f \times 295 \times 10^{-9} \text{ m}& =& 2.998 \times 10^{8} \text{ m$\cdot$s$^{-1}$}\\\\f & = & \dfrac{2.998 \times 10^{8} \text{ m$\cdot$s$^{-1}$}}{295 \times 10^{-9}\text{ m}}\\\\& = &1.016 \times 10^{15}\text{ s}^{-1}\\& = &\large \boxed{\textbf{1.016 $\mathbf{\times 10^{15}}$ Hz}}\end{array}

8 0
4 years ago
Which part of the mantle is still a solid but flows like a thick, heavy liquid?
marusya05 [52]

Hello!

Your answer is A, asthenosphere

<u>The asthenosphere is a part of the mantle</u>. It helps move the plates in the Earth.

It is <u>below the lithosphere,</u> between <u>80 and 200 km</u> below the surface.

Therfore, the asthenosphere is <u>the part of the mantle that is still a solid but flows like a thick, heavy liquid.</u>

<u />

Hope this helps!

Have a great day!

3 0
4 years ago
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Which solar feature is shaped as an arch?
Nezavi [6.7K]

A) Solar flare, I think.

3 0
3 years ago
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In the following reaction HF(aq) + HPO42-(aq) = F-(aq) + H2PO4-(aq)
garik1379 [7]

Answer:

d

Explanation:

HF gives its H to HPO42 making it H2PO4, so HF is the acid and F- is the conj base

6 0
3 years ago
Which 2 not one 2! hjmdnxhjund
mariarad [96]

Answer:

A and D then I guess

Explanation:

sorry hope this helps!

7 0
3 years ago
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