Complete and balance the following equations: (a) CaO1s2 + H2O1l2 ¡

Q: Complete and balance the following:(a) AsCl3(l) 1 H2O(l) → (b) Sb2O3(s) + NaOH(aq) →

A: Given reactions,        (a)  AsCl3(l) + H2O(l)  →(b)  Sb2O3(s) + NaOH(aq)  →

Q: what is the chemical formula created when sodium (11) bonds with the polyatomic ion chromate?

A: The chemical formula for a compound consisting of a cation Am+ and an anion Bn- can be written like…

Q: 1. In an experiment, what volume of O2 (g) at 0°C and 760 mmHg is produced when ) A of current is…

A: This question is related to electrolysis

Q: What is the colour of FeSO4.7H2O crystals? How does this colour change upon heating? Give balanced…

A: The chemical formula of ferrous sulphate heptahydrate is FeSO4.7H2O and it can be also called as…

Q: to

A: The compound FeCaSi2O6 have a polymer unit called Si2O6⁴- .    This unit is called inosilicate.

Q: what happens when lead sulphide is heated in the presence of air?

A: When lead sulphide is heated in presence of air i.e in presence of oxygen, it produces lead oxide…

Q: An element forms an oxide, E₂O₃, and a fluoride, EF₃.(a) Of which two groups might E be a member?(b)…

A: a. (a) When element E form oxide E2O3 then oxidation state of E is +3. When it forms fluoride EF3…

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: Oxygen forms double bonds in O2, but sulfur forms single bonds in S8. Why?

A:

Q: The Ostwald process is a series of three reactions used forthe industrial production of nitric acid…

A: The series of three reactions involved in Ostwald process can be represented as follows:

Q: Complete and balance the following:(a) AsCl₃(l) +H₂O(l) → (b) Sb2O₃(s) +NaOH(aq)→

A: a) The reactants are  1) AsCl₃(l) 2) H₂O(l)  Hence the reaction taking place will be double…

Q: Write the chemical formula for each of the following compounds, and indicate the oxidation state of…

A: To determine chemical formula of compounds and indicate oxidation state of halogen: Perchloric acid:…

Q: 7 Under what conditions can liquid nitrogen be formed by

A: we know,the critical temperature [Tc] is the maximum temperature at which the molecules can exist as…

Q: What happens to h, the height of the mercury column, if theatmospheric pressure increases?

A: Barometer is an instrument used to measure the atmospheric pressure. Barometer usually consists of a…

Q: What is the hydrogen deficiency of CH,0? O 1 O 2 O 3 O 4

A: Hydrogen deficiency (HD) :-  It is the index which shows how many hydrogen molecules should be added…

Q: hat is the Importance and uses ,Synthesis methods,Purification methods of cobalt(II) sulphate…

A: Cobalt (II) Sulfate is a reddish, toxic, metallic salt. Cobalt sulfate is used in the…

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

A:

Q: What is the oxidation number of arsenic in K3AsO4? O +6 O +3 O +5 O +8

A:

Q: Complete and balance the equation Co(C2H3O2)2•4H2O

A: A balanced equation can be defined as the equation in which equal number of atoms of each element is…

Q: What is the oxidation number of N in N2 O4?

A:

Q: Hydrogen fluoride is produced industrially by the action of sulphuric acid on CaF2. Suppose 308 kg…

A: 1) the percent of yield is = 73.5%. 2) the unreacted CaF2 is = 81.7 Kg.

Q: What is the concentration of HOCI required to oxidize 30 mg/L of dissolved nitrogen in NH3 to form…

A:

Q: Describe the hybridization and the bonding of a silicon atom in elemental silicon.

A: Silicon is a group 14 element and it has the four valence electron. Hence it will form 4 covalent σ…

Q: Chlorine is used to make bleach solutions containing 5.25% NaClO (by mass). Assuming 100% yield in…

A:

Q: Illustrate the  Relationship among Boiling Points, Dipole Moments,and Polarizability of Some Binary…

A: To illustrate the relationship between the boiling points, dipole moments, and polarizability of…

Q: How many ammonia molecules must react to produce 1.25 kg of ammonium sulfate?

A: The formation of ammonium sulfate will take place when 2 moles of ammonia will react with 1 mole of…

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

A: In all "chemical reactions," each engaged species tends to possess certain numerals called as…

Q: Can sodium nitrite form H-bonds with water?

A: Sodium nitrite is NaNO2  It is an ionic compound

Q: Nitrous oxide (N₂O), the “laughing gas” used as an anes-thetic by dentists, is made by thermal…

A: The thermal decomposition of ammonium nitrate (NH4NO3) produces Nitrogen oxide gas (N2O). The other…

Q: Calculate the stoichiometric ratio of Fe3O4 in Fe2O3.

A: Iron (II, III) oxide undergoes oxidation to form Iron (II) oxide.

Q: Complete and balance the following equations:(a) A salt like (alkaline earth metal) hydride reacting…

A: Balance chemical reaction is the representation of reactant and product in such a way that the…

Q: Cr20, + 14H* (aq) + 12e¯ → 2Cr(s) + 7H20 (aq) a) How many hours would it take to completely convert…

A: Answer-a Each mole of potassium dichromate has one mole of dichromate ion, therefore moles of…

Q: What is an allotrope? Name two Group 4A(14) elementsthat exhibit allotropism, and identify two of…

A: The element of group 4A(14) is shown below: Carbon (C) Silicon (Si) Germanium (Ge) Tin (Sn) Lead…

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

A:

Q: What is the oxidation number for N in N4O2?

A: Since the Oxygen atom is more electronegative than Nitrogen atoms hence the O will try to have the…

Q: Sulfurous acid has Ka1 = 0.0123 and Kaz = 6.607 x 108. At what pH does [HSO3] = [SO3²]?

A: H2SO3  ↔  HSO3-  +  H+                     Ka1 = 0.0123HSO3-  ↔  SO32-  +  H+…

Q: Which allotropic form of carbon are conductor and which are non conductor's and why?

A: Allotropy is defined as the property of some chemical elements to exist in two or more different…

Q: How many liters (L) of hydrogen sulfide (at 25 ºC and 1.00 atm) are obtained if 3.52 g of ferrous…

A:

Q: 9. Assume that you have these materials: a) Li (s); b) Br2 (1); Ge (s) and d) Si(s). Choose the best…

A: Metals are good conductors because of presence  of free electrons.

Q: What is the most simple silicate material, chemically?

A: The material which is ionic in nature and have Silicon and oxygen as their anion is known as…

Q: Predict the volume of hydrogen generated at 1.00 atm and25°C by the reaction of 4.53 g scandium with…

A: Given that: pressure of hydrogen gas = 1.00 atm Temprature = 25°C  Mass of scandium =  4.53 g  To…

Q: Write balanced equations describing the reaction of Sr with each of the following: O2, S3, Cl2, P4,…

A:

Q: How many grams of oxygen gas are necessary to react completely with 3.01 × 1021 atoms of magnesium…

A: Magnesium reacts with oxygen gas to formed magnesium oxide as the following chemical recation 2…

Q: Beryllia (BeO) ceramics have some use but show only poor resistance to strong acids and bases. Write…

A: The chemical equation for the reaction of BeO with a strong acid and with a strong base has to be…