Describe in words how you do the following preparation. Then give molecular equation for the preparation. Ca(C2H3O2)2(s) from CaCO3(s)

Q: (i) Name the method of refining of metals such as Germanium.(ii) In the extraction of Al, impure…

A: Refining is a process of eliminating impurities to obtain metals of high purity. These impurities…

Q: O 0.013 O 0.038 O 0.050 O 0.025 M O pure wa

A: AgI is given and need to find in which of the following aqueous solutions AgI will have the lowest…

Q: In determining the manganese dioxide content of a pyrolusite mineral. A sample of 0.5261 g of…

A: Equation representing reaction of KMnO4 with oxalate: 2 MnO4- + 5 C2O42- + 16 H+ = 2 Mn2+ + 10 CO2 +…

Q: What is the oxidation number of sulfur in Na2S2O5?

A: We know some Oxidation state like, Oxidation state of Oxygen = -2  Thus 5 oxygen means 5 x (-2) =…

Q: What is the oxidation number of N in N2O4?

A: The common oxidation number for the other element has to be multiplied by the subscript of the…

Q: Write the acidic equilibrium equation for C₃H₇COOH.

A: The acid given is C3H7COOH.

Q: Thallium forms the compound TlI₃. What is the apparentoxidation state of Tl in this compound? Given…

A:

Q: Describe and map the reaction between Potassium dichromate (K2Cr2O7) and Sodium thiosulfate as a…

A: Potassium dichromate is the strong Oxidising agent which can easily oxidise different type of…

Q: what is the reaction in FeCl3 + pb(no3)2

A: Iron(III) chloride reacts with Pb(II) nitrate to form the precipitate of Pb(II) chloride and…

Q: Complete and balance the following:(a) As(s) +excess O₂(g)→ (b) Bi(s) excess +F₂(g) →(c)…

A: The balanced equation is an equation representing a chemical reaction, which has the balanced mass…

Q: Write a balanced equation for each of the following:   The reaction of hydrazine with O2(g)

A: We are asked to write the balanced chemical equation for the reaction ofhydrazine with oxygen gas.

Q: A sample of water has a pH of 5.3. The concentration of bicarbonate (HCO3-) in the sample is 190…

A: The concentration of hydrogen ion and hydroxide ion in mg/L is; H+=10-5.3H+=10-5.3 mol/L×1g/mol×1000…

Q: What mass of CO2 is produced from the decomposition of 25.5 grams of NaHCO3?

A: The decomposition reaction is given below.

Q: What is the balanced chemical equation for the reaction that occurs when (NH4)2CO3 is heated?

A:

Q: how do i write the net ionic equation for the formation of Ag2SO4(s)

A: The product of the reaction is shown below,            Ag2SO4

Q: Regarding the following equation: KClO3 → KCl + O2   What type (classification) of chemical…

A: Explanation to the correct answer is given below.

Q: Determine the chemical equation for the reaction between Fe3+ and Cu2+ with NH3.

A: Ammonia is the weak base.  It is used in the aqueous form.  The reaction of ammonia with the given…

Q: Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the…

A: To calculate the moles of alum formed from the given number of moles of each reagent, we would use…

Q: What is the solubility of Agl in: a) water? b) an aqueous solution of 0.45 M NH3?

A: 'Like dissolves like' is the thumb rule for dissolution of solute in solvent. This means ionic…

Q: Be sure your chemical equation is balanced! ZnS(s) +O2(g) ->

A: We have to write products of the reaction ZnS(s) +O2(g) ->

Q: Write a net ionic equation for C2O42- and Ca2+

A: The net ionic equation for C2O42- and Ca2+ is as follows,

Q: A slag sample is known to contain all of its iron in the forms of FeO and Fe2O3. A sample of 1,000 g…

A: Redox reactions are the reaction that involves simultaneous oxidation and reduction reactions. A…

Q: Write a balanced chemical equation for the decomposition of CaCO3 on heating and explain what the…

A: ✓CaCO3(s)=CaO(s)+CO2(g) ✓ following are two important sources of carbon dioxide when this Reaction…

Q: Treatment of cobalt(II) oxide with oxygen at high temperatures gives Co3O4. Write a balanced…

A: Given that the reaction of cobalt(II) oxide with oxygen gives Co3O4. To find: Balanced chemical…

Q: Selenium is prepared by the reaction of H₂SeO₃ with gaseous SO₂. (a) What redox process does the…

A:

Q: Complete and balance the following chemical equation: Ni (s) + H2SO4 (ap) -->

A: In electrochemical series, Ni is present above H. Hence, Ni can acts as reducing agent means Ni will…

Q: 1. Write a balanced net ionic equation for the equilibrium involving HSO4- ion.  2. The reaction is…

A: The given reaction is, HSO4- (aq) + H2O ⇔H3O+ (aq) + SO42- (aq) To write:  balanced net ionic…

Q: Define: (a) ore; (b) mineral; (c) gangue; (d) brine.

A: a) Ore: The mineral from which an element can be extracted easily and profitably is called an ore.…