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4 years ago

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Chemistry

2 answers:

Aliun [14]4 years ago

7 0

The amount of CO2 in the atmosphere has increased dramatically due to(mainly) excessive burning of fossil fuels.

Amanda [17]4 years ago

6 0

Answer:

<h3>The amount of carbon dioxide in this period is increased very fast....and it results in the climate change...and due to high amount of CO2 new viruses,and diseases are growing in the world..</h3>

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The mass of an erlenmeyer flask is 85.135 g. after 10.00 ml of water is added to the flask, the mass of the flask and the water

BARSIC [14]

Subtracting the mass of (flask+water) from the empty flask gives:
95.023 g - 85.135 g = 9.888 grams of water
Dividing this by the given volume of 10.00 mL water gives:
9.888 grams of water / 10.00 mL of water = 0.9888 g/mL of water
Therefore, based on this sample, the density of water is 0.9888 g/mL, which is close to the usually accepted approximation of 1 g/mL.

4 0

3 years ago

Are metal and non-metal elements typically ionically bonded? Explain.

victus00 [196]

<u>Answer:</u> Yes, metals and non-metals forms ionic bonds.

<u>Explanation:</u>

Ionic bond is defined as the bond which is formed by complete transfer of electrons from one atom to another atom.

The atom which looses the electron is known as electropositive atom and the atom which gains the electron is known as electronegative atom. This bond is usually formed between a metal and a non-metal.

<u>For Example:</u> Formation of sodium chloride

Sodium is a metal and is the 11th element of periodic table having electronic configuration of $[Ne]3s^1$

To form $Na^{+}$ ion, this element will loose 1 electron.

Chlorine is a non-metal and is the 17th element of periodic table having electronic configuration of $[Ne]3s^23p^5$ .

To form $Cl^{-}$ ion, this element will gain 1 electron.

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the compound formed between sodium and chlorine atom is NaCl

Hence, metals and non-metals forms ionic bonds.

8 0

3 years ago

Is waterproof sunscreen polar or non-polar

Stolb23 [73]

Non-polar because hydrophilic means something can be wetted by water

6 0

3 years ago

Read 2 more answers

86.94 meters to centimeters 8,694

ivanzaharov [21]

True it is 8,694 cm

Hope it helps!

5 0

3 years ago

How many grams of oxygen are required to react with 10.0 grams of octane (C8H18) in the combustion of octane in gasoline?

mel-nik [20]

Oh fun, stoichiometry. So the equation for this is C8H18+O2----> CO2+H2O, or
2C8H18+25O2----> 16CO2+18H2O when balanced. 10/114.229 g/mol = .087543... mol, converting to moles by dividing by molar mass. The ratio is 25/2, using the integers in front of the molecules in the balanced equation. so you just multiply .087543... by the ratio. That's 1.09429, which you multiply by the molar mass of O2, 31.9988 g/mol. The answer is 35.02 g O2

6 0

3 years ago

Read 2 more answers