Balance the following equation:                Ca3(PO4)2  +    SiO2  -->   CaSiO3  +  P2O5

Q: What substances are present, and what are their masses, after the reaction of 10.00 g ofmagnesium…

A: THE IDEA HERE IS THAT CHEMICAL REACTIONS MUST OBEY THE LAW OF MASS CONSERVATION , WHICH STATES THAT…

Q: What will happen to calcium phosphate Ca3 (PO4) 2 when heated from 60 ° C to 100 ° C?

A: The solubility product of Ca3(PO4)2 is 2.0 X 10-29

Q: Which of the following setups would you use to obtain the number of O atoms in 86.8g of Cr(NO3)3?

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Q: 3. Complete and balance the following equations:

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Q: Select acidic oxide from the choices given.     Na2O2     KOH     P4O6     Na2O     CaO

A: We have to predict the nature of oxide .

Q: Cr in an ore exists as Cr203, and is converted quantitatively to BaCrO4 (253.33 g/mol). Calculate…

A: Given: Chromium ore, Cr2O3

Q: 38) Sulfurous acid pand Salfer diml 1.239 of sulfurous acid unlergaes this reaction, what mass IS…

A:

Q: at 45 °C when [Fe] = 3.00 M and [Mg+] = 0.310 M. %3D Express your answer to three sianifioant

A: Given data are as follows:

Q: Which one of the following compounds is chromium (X) oxide? O Cr2010 O Cr100 O CrO5 O Cro

A: IONIC COMPOUNDS: When charged particles or ions combine to form a chemical compound, it is called as…

Q: SICI4 has the lowest bp in comparison with group IV element tetrachloride Ta F.b

A: False.

Q: Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the…

A: Since  the  reaction  associated  with  Ka2 is basically the  second dissociation of acid reaction…

Q: r in an ore exists as Cr2O3, and is converted quantitatively to BaCrO4 (253.33 g/mol). Calculate the…

A: According to the question, Cr in an ore exists as Cr2O3, and is converted quantitatively to BaCrO4…

Q: Chemical formula of NH4+ and PO43

A: We have to write the chemical formula of NH4+ and PO43-.

Q: Cr in an ore exists as Cr2O3, and is converted quantitatively to BaCrO4 (253.33 g/mol). Calculate…

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Q: How would you prepare 0.3 L of 0.2 N HCl ? Note : atomic weight for Cl=35.5, H=1 Sp.gr (HCl)=1.18 %…

A: In order to prepare certain volume of the solution having definite concentration, we need to…

Q: The representations 14N or 15N give more information than simply the chemical symbol N. Explain?

A: Interpretation-  Explain why the representation 14N or 15N give more information than simply the…

Q: Chemical formula of Pb2+ and CO32-

A: Chemical formula of a compound can be formed by criss-crossing the valencies of ions.

Q: Fe,0.t 3 Ha ca) a) AH" a AG at 230°C

A: The reaction given is, => Fe2O3 (s) + 3 H2 (g) → 2 Fe (s) + 3 H2O (g)

Q: Consider a 1.0000 g sample containing 75% potassium sulfate (FW 174.25) and 25% XSO4. The sample is…

A: The reactions are given by, K2SO4 + Ba2+→ BaSO4 + 2 K+ MSO4 + Ba2+ → BaSO4 + M2+

Q: Write the basic equilibrium equation for TeO₃²⁻

A: TeO₃²⁻ will react with water and gets one proton and the new compound is formed.

Q: Cr in an ore exists g/mol). Calculate tl sample yields 0.40 O 15.11% (w/w) O 29.99% (w/w) 30 22%…

A: According to the question, Cr exists in ore as Cr2O3 and is converted quantitatively to BaCrO4. The…

Q: A sample of soda-lime glass for tableware is analyzed and found to contain the following percentages…

A: Given- % by mass of oxides SiO2 = 72.4% Na2O =18.1% CaO = 8.1% Al2O3 =1.0% MgO = 0.2% BaO = 0.2%…

Q: 7. What is the role of Pd in the production of H,0, seen in this reaction? Explain the process…

A: Hydrogen peroxide is a usefull oxidising agent. It is a desirable oxiadnt because the only by…

Q: 142 Ва + 56 36 Kr + 3n 3in

A: A nuclear decay reaction is one that undergoes spontaneous decay reaction forming daughter atoms…

Q: a The Ostwald process for the commercial production of nitric acid from ammonia and oxygen involves…

A: Given: Ostwald process for the commercial production of nitric acid from ammonia and oxygen. The…

Q: Balancing Chemi A Cu(s) 2 0,g) → Cuo(s) 2. 2 2 H,(9) H,O(1) → 3. 3 Fe(s) 1 H20(g) → 4 H2g) ASCI,…

A: Given : Different type of unbalanced reactions.  To find : Balanced equation.  Solution : As we know…

Q: the mass of Ag2CO3 will be formed? Discuss your results. 2AgNO3(aq) +N22CO3(aq) → Ag2CO3() +…

A: A)Use stoichiometry calculation to get the answer. B) normality= molarity×nfactor

Q: Fe= 55.15 o=16.08 N= 14.11g give molecules, atoms and ions in .650moles of Fe(NO2)2 please show…

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Q: Which element is neither a transition element nor a representative element? Iron Manganese…

A: Hence 3rd option is correct that is mercury

Q: C12H22011 + O2

A: Sucrose reacts with oxygen to form carbon dioxide and water. In the balanced chemical reaction, the…

Q: 1) PB13 2) NaCN O Option 1 Option 2 CN CN Option 3 O Option 4

A: 1 is SN2 reaction without rearrangement and 2 is also SN2 reaction . Hence two times stereo changes…

Q: Write balanced equations for each of the following reactions. Lead(II) sulfide, PbS(s), reacts with…

A: In "balanced equation",  entire atomic entities as "reactant molecules" and "product molecules"…

Q: 7.00 L of water vapor at 50.2 °C and 0.121 atm reacts with excess iron, how many grams of iron(III)…

A: Volume of H2O = 7.00 L  Temperature = 50.2°C  Pressure = 0.121 atm

Q: Type: 17) _C4H8 +O2 → - - Туре: 18) KCI +_ Mg(OH)2 → - Туре: 19) Zn + Au(NO2)2 → - Туре:

A: Note: According to our guidelines we are supposed to answer only first three subpart.  Kindly repost…

Q: What is the % by mass of Cu in the ore malachite (Cu2(OH)2CO3) ?

A: Interpretation: The % by mass of Cu in the ore malachite Cu2OH2CO3 is to be calculated.

Q: • Determination of Mass Percent of Ammonium Chloride • Mass of evaporating dish and original sample…

A: The percent of a substance in a sample of mixture  is calculated using formula : Percent = ( mass of…

Q: An amount of pore gypsum was calcined at 200°C. After that, 1000 kg of the product was mixed 150 kg…

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Q: Q5: The percentage composition of fuel is carbon to hydrogen ratio is 18, H = 5% , O = 2%, S 0.4%, N…

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Q: Pi=1.15 atm Pa VI=1.53L TI-305K Ta =325 k

A: The ideal gas equation is given as,  PV=nRT where, P=Pressure V=Volume n=Number of molesT=Absolute…

Q: Consider the following reaction where an excess of water was used. AICI3(s) + 3H2O(1) - Al(OH)3(?) +…

A: Answer:- This question is answered by using the simple concept of chemical reaction of aluminium…

Q: How many hydrogen atoms are in 1.0 g of H20 (MW = 18)? %3D

A: Given :- amount of H2O = 1.0 g  Molar mass of H2O = 18 g/mol  To calculate :-  Total hydrogen atoms…

Q: What mass of limestone, in kilograms, should be added for 1.00 kilogram of iron ore processed in a…

A: Answer :-  0.118 (kg) Limestrone Mass of Limestone, in kilograms, should be added for 1.00 kilogram…

Q: NH3 Br O'Na* Br NaSH DMSO

A: Given reactions,

Q: sp 180 O sp2 120 O sp3 109.5 O sp3 180 sp 120 O sp2 180

A: Answer - The correct option is (b) Sp2 120 Explanation - According to the question - Given - In the…

Q: The following reaction is used for the analytical determination of uranium in acidic solution:  UO2+…

A: