Write a balanced chemical equation based on the following description: aqueous potassium phosphate reacts with aqueous nickel(II) bromide to produce solid nickel(II) phosphate and aqueous potassium bromide. K3PO4 (aq) + Ni Br₂ (aq)

Q: If Cu(NO3)2 + 2 H2O à Cu(OH)2(s) + 2 HNO3(aq)  would any copper ions be produced? Write the net…

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Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

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Q: The calcium content in a 0.4367-g sample of phosphate rock was determined by first dissolving the…

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Q: Hi, I'm a little stuck on balancing the following reaction. Balance the following reaction: PbSO4…

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Q: Write the total ionic equation for  Na2CO3(aq) + Ca(NO3)2(aq) → CaCO3(s) + 2NaNO3(aq)

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Q: A student wants to prepare a solution of chromium(III) nitrate with a known molarity. How many…

A: Given data, Volume of Cr(NO3)3 solution (v) = 500 mL = 0.5 L Concentration of Cr(NO3)3 solution (M)…

Q: Give the balanced chemical equation of the following reactions: Barium sulfide is added in the form…

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Q: balance the following Al(s)+H2SO4(aq)->AL2(SO4)3(s)+H2(g)

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Q: 2. (Balance the equation) FeCl+NaOH>Fe(OH);+Nacl

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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…

Q: The following chemical reaction takes place in aqueous solution: MnSO4(aq) +2 KOH(aq)…

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Q: What is the concentration (in Molarity units) of [Cu2+] in a solution that was prepared by weighing…

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Q: 4. Complete, formulate, and balance the following equations: (a) Calcium chloride + lead(II) nitrate…

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Q: Complete the balanced molecular chemical equation Fe(NO3)2(aq)+KOH(aq)

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Q: Cu(OH)2(s) → CuO(s)+H2O(l) write the name of the product and the name of the solid product.

A: The reaction given is, => Cu(OH)2 (s) -------> CuO (s) + H2O (l)

Q: What are the products formed when the following is mixed? The resulting reaction may or may not be…

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Q: Copper (II) chloride, CuCl2(aq) solution is reacted with aluminum hydroxide, Al(OH)3(aq) solution.…

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Q: balance the equation H2SO(aq)+Pb(OH)4(s) -> Pb(SO4)2(s)+H2O(I)

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Q: A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric…

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Q: Gaseous water (H₂O) and solid calcium oxide (CaO) are formed by the decomposition of solid calcium…

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Q: 7. Complete and balance the equations for the reactions. All reactions yield products. Cl2(g) (a)…

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Q: Some chemical reactants are listed in the table below. Complete the table by filling in the…

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Q: MgCl2 (aq) + 2 NaOH (aq) →

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Q: Write a balanced net ionic equation for the reaction of Pb(NO3)2(aq) with NaI(aq). b) Write a…

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Q: The following chemical reaction takes place in aqueous solution: MnSO4(aq)+2 KOH(aq)…

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Q: potassium iodide + lead (II) nitrate

A: The reactants given are  1) Potassium iodide i.e KI 2) Lead (II) nitrate i.e Pb(NO3)2

Q: Balance the equation: Cu(s) + H2S(g) + O2(g) → Cu2S(s) + H2O(l)

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Q: The reaction, Al(s) + HCIO (aq) O True False evious Al(CIO4)3(aq) + Hy(0), involves changes in…

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Q: Predict the products of the following reaction, including correct physical states, and balance the…

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Q: Balance the equation: TiCl4(s) + H2O(g) → TiO2(s) + HCl(g)

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Q: Write the balanced NET ionic equation for the reaction when ZnI₂ and Pb(ClO₄)₂ are mixed in aqueous…

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Q: Part B A sample of N2 at STP with a volume of 55.1 mL contains 2.43x10-3 mol. What mass of Oscium,…

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Q: In the reaction Al(s) + Ca(NO₂)₂ (aq) → Al(NO₂), (aq) + Ca(s) which element gains electrons in the…

A: Reaction:Al(s) + Ca(NO3)2 (aq) → Al(NO3)3 (aq) + Ca(s)

Q: Balance the following equations:

A: Balanced chemical equations are as follows:   a)     2CO(g)  + O2 (g)  ----->   2CO2 (g)     b)…

Q: Write a balanced net ionic equation for the reaction of CdCl 2( aq) with Na 2S( aq).

A: A net ionic reaction represent the ions present in the solution in which a reaction takes place, and…

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.