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4 years ago

What type of radiation has the least amount of energy?

Chemistry

2 answers:

garri49 [273]4 years ago

8 0

The answer is a, alpha radiation

Tanya [424]4 years ago

3 0

Answer:

Explanation:

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What is the meaning of subsystem?

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3 years ago

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Humans have three types of cone cells in their eyes, which are responsible for color vision. Each type absorbs a certain part of

harkovskaia [24]

Answer:

The frequency of this light is $6.98\times 10^{14} s^{-1}$ .

Explanation:

Wavelength of the light = $\lambda = 430 nm=4.30\times 10^{-7} m$

Speed of the light = c = $= 3\times 10^8 m/s$

Frequency of the light = $\nu$

$\nu =\frac{c}{\lambda }$

$\nu =\frac{3\times 10^8 m/s}{4.30\times 10^{-7} m}=6.98\times 10^{14} s^{-1}$

The frequency of this light is $6.98\times 10^{14} s^{-1}$ .

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4 years ago

What is the mass of 22.4L of H2 at stp

bazaltina [42]

Answer:

2.02 g H₂

General Formulas and Concepts:

Chemistry - Atomic Structure

Reading a Periodic Table
Using Dimensional Analysis
STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

Explanation:

Step 1: Define

22.4 L H₂ at STP

Step 2: Identify Conversions

STP - 22.4 L / mol

Molar Mass of H - 1.01 g/mol

Molar Mass of H₂ - 2(1.01) = 2.02 g/mol

Step 3: Convert

$22.4 \ L \ H_2(\frac{1 \ mol \ H_2}{22.4 \ L \ H_2} )(\frac{2.02 \ g \ H_2}{1 \ mol \ H_2} )$ = 2.02 g H₂

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3 years ago

What might be useful for adding solids to a tube

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C funnel because the funnel would have a large enough entrance to put a solid through

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4 years ago

Which does a meandering stream look like?

Norma-Jean [14]

The answer is D.U-shape

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