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3 years ago

12

What is one way for a possible solution to reversing or counteracting the effects of climate change? What can we do at our homes

or in our communities to help create a healthier environment?

1 answer:

aniked [119]3 years ago

4 0

Answer:

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Explanation:

You might be interested in

What does an ion have that an atom does not?

saveliy_v [14]

Answer:

Atoms are neutral; they contain the same number of protons as electrons. By definition, an ion is an electrically charged particle produced by either removing electrons from a neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative ion.

Explanation:

:)

8 0

2 years ago

PLEASE HELP!!!!!!!!

olga_2 [115]

Answer:

Hey student your question is not proper arrange, i don't understand what you want us to do

5 0

3 years ago

A sample of silver (Ag) contains 3.011x1023 atoms. How much does this

Ugo [173]

Answer:

53.93 g Ag

Explanation:

3.011x1023 atoms Ag x <u> 1 mole Ag </u> x <u>107,8683 grams</u> =

6.022x $10^{23}$ atoms 1 mole Ag

use the periodic table fo find Ag atomic mass and use Avogadro´s number

3 0

2 years ago

2. A photon of wavelength for 4 x10 -7 m strikes on the metal surface the work

lina2011 [118]

Answer:

See explanation

Explanation:

Energy of the photon;

E = hc/λ

h= Planks constant

c= speed of light

λ = wavelength

E= 6.6 × 10^-34 × 3 × 10^8/4 x10 -7

E = 4.95 × 10^-19 J

If 1ev=1.602x10-19 J

x = 4.95 × 10^-19 J

x= 3.1 ev

From Einstein's photoelectric equation;

KE = E - Wo

Where;

KE = kinetic energy of ejected photoelectron

E= energy of the photon

Wo= work function of the metal

KE = 3.1 eV - 2.13 eV

KE= 0.97 eV

KE = 0.97 eV × 1.602x10-19 J

KE = 1.55 × 10^-19 J

KE = 1/2 mv^2

1.55 × 10^-19= 1/2 × 9.1 × 10^-31 × v^2

v= √2 × 1.55 × 10^-19/9.1 × 10^-31

v= 5.8 × 10^5 m/s

4 0

3 years ago

Draw the structure of the major organic product(s) for the following reaction between an acetylenic anion and an alkyl halide. (

MaRussiya [10]

Answer:

See explanation below

Explanation:

In this case, we are having a reaction between an anion and alkyl halide. The carbon 1 of the anion will act as nucleophile and will attack the electrophile, which is 5 carbon chain with the bromine in the third carbon.

Now, the nucleophyle is an alkyne of 3 carbon. According to the description, it should be:

CH₃ - C ≡ C⁻

And the alkyl halide is:

CH₃ - CH₂ CH(Br) - CH₂ - CH₃

And the final product after the reaction would be the following:

CH₃ - C ≡ C - CH - (CH₂CH₃)₂

However, in the attached picture you can see this better and the mechanism of reaction.

Hope this helps

8 0

2 years ago