Where does plastic go when we throw it in the bin? A) Land dump. B) The Ocean. C) Recycling Factory. D) All of the above.

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Which species represents a chemical compound?
(1) N2 (3) Na
(2) NH4+ (4) NaHCO3

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The species that significantly represents a chemical compound is known as NaHCO3. This is also known as Sodium bicarbonate or sodium hydrogen carbonate. Thus, the correct option for this question is D.

What is a Chemical compound?

A chemical compound may be defined as a type of chemical substance that is mainly composed of many similar molecules that contain atoms of more than one chemical element. These atoms are typically held together by chemical bonds.

According to the context of this question, Na is sodium and N2 is dinitrogen or simply nitrogen gas. Both these chemical constituents are classified as the type of chemical element. While NH4+ is a polyatomic ion which is known as an ammonium ion.

So, NaHCO3 is classified into the category of a chemical compound. This is because it mainly consists of sodium, hydrogen, carbon, and oxygen.

Therefore, the species that significantly represents a chemical compound is known as NaHCO3. This is also known as Sodium bicarbonate or sodium hydrogen carbonate. Thus, the correct option for this question is D.

To learn more about Sodium bicarbonate, refer to the link:

brainly.com/question/20670487

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Answer:

4.) NaHCO3

Explanation:

In a compound, two or more elements are chemically combined. NaHCO3 is a compound containing the elements sodium (Na), hydrogen (H), carbon (C), and oxygen (O). N2 and Na are elements. NH4+ is the polyatomic ion ammonium.Zoom

The symbol for hydronium ion concentration is

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The symbol for hydronium ion concentration is H+. There are quite a few relationships between [H+] and [OH−] ions. And because there is a large range of number between 10 to 10-15 M, the pH is used. pH = -log[H+] and pOH = -log[OH−]. In aqueous solutions, [H+ ][OH- ] = 10-14. From here we can derive the values of each concentration.

Answer:

H+

Explanation:

An bhfuil an freagra.

What is locked up carbon dioxide

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Basically it means carbon dioxide is removed from the atmosphere and is trapped in e.g. calcium carbonate (like shells), rocks, oceans etc.

What is 850 torr= ? Atm

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850 torr. times 1 atm./760 torr. or 850/760. So, 1.11842105 atm.

A balloon, whose volume at 23°C is 535 mL, is heated to 46°C. Assuming the pressure and amount of gas remain constant, what is the volume of the balloon at 46°C?

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Which of the following best explains why most chemical reactions proceed more quickly when the concentrations of reactants are increased?a. The increased concentration increases the number of collisions between molecules.
b. The products of chemical reactions are more stable at higher concentrations.
c. At higher concentrations, reactant molecules move more quickly.
d. At higher concentrations, product molecules are able to catalyze the reaction.

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that is definitely not an A and C , so It'll be a B , most probably .

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Which statement best describes an igneous intrusion? A. Magma explodes to the surface and forms a smooth outer layer of rock.B. Magma is exported to an open area and forms iron.C. Igneous intrusions form when ice crystals splash into lava.D. Magma is injected into surrounding rock forming an igneous intrusion.

Is there any difference between carbon(iv)oxide and carbon(ii)oxide

Match the following chemical reactions:synthesis, reversible, exchange, decomposition1. molecules rearrange and form new molecules2. simultaneous decomposition and synthesis 3. bonds broken and elements released 4. molecules formed from components

1.11g of methane CH4 is burned in a bomb calorimeter containing 1000 grams of water. The initial temperature of water is 24.85 degrees Celsius. The specific heat of water is 4.184 J/g degrees Celsius. The heat capacity of the calorimeter is 695 J/degrees Celsius. After the reaction the final temperature of the water is 35.65 degrees Celsius. Calculate the heat absorbed by the water. Then calculate the heat absorbed by the calorimeter.