This equation models how pure silver (Ag) is extracted from ores of AgK(CN)2 (potassium argentocyanide, molar mass = 199.0 g/mol) which is mined from the earth. 2AGK(CN)2 (aq) + Zn(s) → 2 Ag(s) + Zn(CN)2 (aq) + 2KCN(aq) IN GOD WE TRUST 2004 Public domain 2 A handful of these silver coins contains 159.6 g of Ag. What mass of AgK(CN), must be extracted from a mine in order to produce the coins? Answer: g AgK(CN)2

Q: The setting of Portland cement (used in sidewalks, for example) by reacting with water involves…

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Q: The following chemical reaction takes place in aqueous solution: Cu(NO3), (aq)+Na₂S(aq) → CuS(s)+2…

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Q: 2 Fe(s) → 2 Fe2+(aq) + 4 e Moisture Anode reaction Cathode reaction 02(9) + 2 H20(t) + 4 e¯→ 4…

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Q: Write the net ionic equation of the following reaction: 3Ca(OH)2(aq) + 2H3PO4(aq) → 6H20(1) +…

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Q: Consider the following reaction: FeCl3(aq) + Al(s) → AlCl3(aq) + Fe(s) Write the Net Ionic Equation…

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Q: How to write a chemical equation for transition metal ions found in a solution?  The ions found were…

A: Given : solution of Co2+ (aq) and Cu2+ (aq). 1) Adding NaOH : Since addition of NaOH will bring OH-…

Q: Consider the precipitation reaction that takes place when a water solution of aluminum nitrate,…

A: On reacting above two aluminium phosphate precipitate and potassium nitrate form as side product.

Q: at mass of AgK

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Balance the following double replacement reaction.    Bi(OH)5 (aq)   +         Ti3(PO3)4 (s)   →…

A: chemical reaction :-  Bi(OH)5 (aq)   +    Ti3(PO3)4 (s)   →         Bi3(PO3)5 (s)   +     Ti(OH)4…

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Q: Write the net ionic equation for the reaction of copper(II) sulfate with sodium sulfide. A) 2 Cu⁺…

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Q: Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite…

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Q: 3Ca(OH)₂(aq) + 2H₂PO₂(aq) → Ca, (PO) (s) + 6H₂O(1) Part: 1/4 Part 2 of 4 Write the ionic equation.…

A: The ionic equation can be equation is:

Q: Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite…

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Q: Consider the following reaction: Zn(s)  +  Cu2+(aq)  ⟶    Cu(s)  +   Zn2+(aq) Which reactant is…

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Q: How many grams of copper react to give 1.70 g of Ag? Cu(s)+2AgNO3(aq)→Cu(NO3)2(aq)+2Ag

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Q: In the following chemical reaction, which element is the reducing agent? 3 Sn(NO₃)₂(aq) + 2 Fe(s) →…

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Q: write the net ionic equation for Cu(s) + 4HNO3(aq) = 2NO2(g) + Cu(NO3)2(aq) + 2H2O(l)

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.