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Roman55 [17]
3 years ago
6

The most abundant gases in the atmosphere are _____. trace gases variable gases greenhouse gases primary gases

Chemistry
2 answers:
elena-s [515]3 years ago
4 0

Answer:

greenhouse gases

Explanation:

White raven [17]3 years ago
3 0
The correct answer is greenhouse gases. It is the most abundant gases among the choices in the atmosphere. These gases are water vapor, methane, nitrous oxide, ozone and carbon dioxide. Without these gases, the temperature of Earth will be about -18 degrees Celsius.
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PLEASE HELP!!!<br><br> What is the mass of one lead atom in amu?
alexandr402 [8]

Answer: 207.2

Explanation:

In imprecise terms, one AMU is the average of the proton rest mass and the neutron rest mass. This is approximately 1.67377 x 10 -27 kilogram (kg), or 1.67377 x 10 -24 gram (g). The mass of an atom in AMU is roughly equal to the sum of the number of protons and neutrons in the nucleus.

7 0
3 years ago
Read 2 more answers
What does pH measure?
Hatshy [7]

Answer:

Option D

Explanation:

Hydronium ion concentration is a measure of pH of a solution.

The mathematical equation for the same is [H3O+] = 10-pH

OR

[H3O+] = antilog (- pH)

Hence, option D is correct

4 0
3 years ago
An unknown metal forms a soluble compound, M(NO3)2, which then undergoes electrolysis with an applied current of 2.50 amperes. I
frozen [14]

Answer:

The metal is the cathode

The metal is palladium

At the other cathode, the reaction going on is

M(s) ------> M2^+(aq) + 2e

Chlorine can spontaneously react with Pd converting it to Pd^2+

The molar mass of the metal is 106.4 g of M

Explanation:

Given the formula of the compound, M^2+ ion is involved. The equation of the reaction is;

M^2+(aq) + 2e -------------> M(s)

The number of moles of electrons transferred = 2 moles

1 mole of electron = 96500C

And Q= It

Where I= current

t= time taken in seconds

Now;

x g of the metal (its molar mass) is deposited by 2×96500 C

1.87 g of the metal is deposited by (2.50× 22.6×60) C

x = 1.87 × 2×96500/ 2.50 × 22.6 × 60

x= 360910/3390

x= 106.4 g of M

The metal is the cathode

The metal is palladium

At the other cathode, the reaction going on is

M(s) ------> M2^+(aq) + 2e

Chlorine can spontaneously react with Pd converting it to Pd^2+

7 0
4 years ago
What is the correct formula for calcium sulfate dihydrate?
Murljashka [212]

Answer:

It is CaSO4.2H2O

Explanation:

<em>C</em><em>a</em><em>l</em><em>c</em><em>i</em><em>u</em><em>m</em><em> </em><em>h</em><em>a</em><em>s</em><em> </em><em>a</em><em> </em><em>v</em><em>a</em><em>l</em><em>e</em><em>n</em><em>c</em><em>e</em><em> </em><em>o</em><em>f</em><em> </em><em>2</em><em> </em><em>b</em><em>e</em><em>c</em><em>a</em><em>u</em><em>s</em><em>e</em><em> </em><em>i</em><em>t</em><em> </em><em>h</em><em>a</em><em>s</em><em> </em><em>o</em><em>n</em><em>l</em><em>y</em><em> </em><em>t</em><em>w</em><em>o</em><em> </em><em>v</em><em>a</em><em>l</em><em>e</em><em>n</em><em>c</em><em>y</em><em> </em><em>e</em><em>l</em><em>e</em><em>c</em><em>t</em><em>r</em><em>o</em><em>n</em><em>s</em><em>.</em>

<em> </em><em>S</em><em>u</em><em>l</em><em>p</em><em>h</em><em>a</em><em>t</em><em>e</em><em> </em><em>(</em><em> </em><em>S</em><em>O</em><em>4</em><em>)</em><em>^</em><em>2</em><em>-</em><em> </em><em>i</em><em>s</em><em> </em><em>a</em><em> </em><em>r</em><em>a</em><em>d</em><em>i</em><em>c</em><em>a</em><em>l</em><em> </em><em>w</em><em>i</em><em>t</em><em>h</em><em> </em><em>a</em><em> </em><em>v</em><em>a</em><em>l</em><em>e</em><em>n</em><em>c</em><em>e</em><em> </em><em>v</em><em>a</em><em>l</em><em>u</em><em>e</em><em> </em><em>o</em><em>f</em><em> </em><em>2</em><em>.</em>

<em> </em><em> </em><em>W</em><em>h</em><em>e</em><em>n</em><em> </em><em>C</em><em>a</em><em>l</em><em>c</em><em>i</em><em>u</em><em>m</em><em> </em><em>c</em><em>o</em><em>m</em><em>b</em><em>i</em><em>n</em><em>e</em><em>s</em><em> </em><em>w</em><em>i</em><em>t</em><em>h</em><em> </em><em>s</em><em>u</em><em>l</em><em>p</em><em>h</em><em>a</em><em>t</em><em>e</em><em> </em><em>i</em><em>n</em><em> </em><em>b</em><em>o</em><em>n</em><em>d</em><em>i</em><em>n</em><em>g</em><em>,</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em>F</em><em>o</em><em>r</em><em>m</em><em>u</em><em>l</em><em>a</em><em>r</em><em> </em><em>=</em><em>=</em><em>></em><em> </em> Ca<u>2</u><u>(</u>SO4)<u>2</u>

<em>B</em><em>u</em><em>t</em><em> </em><em>t</em><em>h</em><em>e</em><em> </em><em>2</em><em> </em><em>c</em><em>a</em><em>n</em><em>c</em><em>e</em><em>l</em><em> </em><em>out</em><em>.</em>

<em>O</em><em>v</em><em>e</em><em>r</em><em>a</em><em>l</em><em>l</em><em> </em><em>f</em><em>o</em><em>r</em><em>m</em><em>u</em><em>l</em><em>a</em><em>r</em><em>=</em><em>=</em><em>></em><em> </em>CaSO4

For hydrated, ==> CaSO4.H2O

3 0
4 years ago
What will happen to the pressure when the temperature of a gas increases
Galina-37 [17]
Not guarenteed the answer, but as the temperature increases, the molecules in the gas move faster, impacting the gas's containor more frequently and exerting a greater force, according to Gay-Lussac's Law. I hope this helps you.
5 0
3 years ago
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