The number of equivalents of Al+3 in AICI3 is------(the Atomic weight of Al is 27) O 12 07 9 O 8 O 15 Quantitative data analysis Steps in making analysis include-- Correlation O frequency nominal ne:
Q: a le tion of mbrane Part A What is the height difference between the two water surfaces at a…
A: As per the guidelines, I am allowed to answer one question at a time. Please re upload the rest.
Q: d. ethylpropanoate
A:
Q: It takes 463. kJ/mol to break an oxygen-hydrogen single bond. Calculate the maximum wavelenth of…
A: Given : E = 463.0 kJ/mol h = 6.626 ×10^-34 j.s C = 3 ×10^8 m/s Find : To calculate the…
Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…
A: The Arrhenius equation is given as : K∞e-EaRTWhere,K= rate cosntantEa= activation energyR= gas…
Q: What is the number of protons, neutrons, and electrons for element has; atomic number 9, mass number…
A:
Q: 3 3 H [ H H T H T I H OH + -OH 2 K2C1207 8 H2SO4 Cr (VI) 2 C2)SO43_ +11H20 + 2K2$04 Cru + + ܀
A:
Q: A standard solution of EDTA is prepared, and by titration each ml is found to complex with the Mg in…
A:
Q: stereochemistry t...docx stereochemistry t....docx stereochemistry t...docx CHEM212 SPECTROSCOPY…
A:
Q: Using the regional barometric pressure info. below, and being careful to consider the vapor pressure…
A: (a) Alveolar oxygen pressure equation at sea level is given by pAO2= (pATM- pH2O)×FiO2 -…
Q: At a certain temperature the rate of this reaction is first order in HI with a rate constant of…
A:
Q: The light can be passing through components with ionic bonds O True O False (1 *
A: There are two type of bond formed during chemical bonding. Ionic compound is formed by transfer of…
Q: Which nuclear processes release energy? a. Fusion of large nuclei and fission of small nuclei. b.…
A: Fusion is process in which two or more light atomic nuclei combine to form large atom and release…
Q: What is the evidence that a chemical reaction took place?
A:
Q: What is the pH at the equivalence point in the titration of a 20.4 mL sample of a 0.444 M aqueous…
A:
Q: 9.) Calculate the potential for the half-reaction HFeO4 + 7 H3O+ + 3 e¯ = Fe³+ + 4 H₂O if pH = 2, t…
A:
Q: The equilibrium constant for a particular reaction has been measured at differe 1/1 Determine the…
A:
Q: [b] The emf of a cell made of Zn (anode) and H₂ electrode (cathode) immersed in 0.424M ZnCl₂ is…
A: The cell potential of an electrochemical cell can be found out using Nernst equation as,…
Q: Q.2 Choose the correct answer 1- A collision avoidance system uses. to detect a vehicle or another…
A:
Q: Calculate the enthalpy change of the products. H₂ + MgCl₂ ΣAH , products = ( ( -641.8 ) + 0 =
A:
Q: Molarity tells us the number of moles of solute in one liter of a solution. O True O False
A: We know that Molarity of a given solution is called referred as Concentration of the solution. The…
Q: Kindly please Write the calculation/solution. Thank you
A: We have given [Na3PO4] = 0.200 N Mass of dolomite = 1 g Percentage of MgCO3 in dolomite = 14.01…
Q: When 50.0 mL of 0.987 M H2SO4 is added to 25.0 mL of 2.00 M NaOH at 25.0 °C in a calorimeter, the…
A:
Q: 5) H₂SO4 + OH → HSO₂ + H₂O 6) H₂SO4 + H₂O → H₂0² + HSO4
A:
Q: A 15% Copper Acetate Cu(CH3COO)2 test solution is prepared using 750 ml of purified water. Where:…
A: As per our guidelines we are supposed to answer only ? 3 sub-parts ( if there are multiple sub-parts…
Q: 13. By convention, the sequence of bases in a nucleic acid is usually expressed in…
A: By convention, the sequence of bases in a nucleic acid is usually expressed in _________direction.
Q: analyze the following reaction by looking at the electron configurations given below each box. Put a…
A:
Q: What is the pH of a 0.025 mol/L solution of methanoic acid K=1.8x10
A:
Q: 1. Draw the following compounds 2-methyl butanoic acid b. 3-ethyl-2-hexanone
A: 1) 2-Methyl butanoic acid 2-Methyl butanoic acid are called as 2-methylbutyric acid is a…
Q: (a) Identify the cation in the unknown compound, and explain your thinking. (b) Identify the anion…
A:
Q: Q8. Convert 76.8 cm to m. (a) 0.0768 m (c) 0.768 m Q9. Convert 2855 mg to kg. (a) 2.855 x 10³ kg (b)…
A: Q8. 1 cm = 0.01 m
Q: 1. Write the hybridization of each carbon atom: mode 'N
A:
Q: Using Woodward -Fieser Rules, calculate the Amax of the following compound. H3CO
A: Using Woodward - Fieser rules , the maximum wavelengths has been calculated for the given three…
Q: The equilibrium constant for a particular reaction has been measured at different temperatures. The…
A: Please find your solution below : Arrhenius equation is an equation that expresses the relation…
Q: Predict the product for each of the following reactions: 1) 03 HO OH a A 2) DMS [H*] Dean-Stark A B…
A:
Q: N + + -N
A: For aromatic 1) cyclic structure 2) all atoms in cyclic compound should be sp2 hybridised. 3) 4n+2…
Q: H₂Pd Ph HO. HCI 1. Mg. Et₂O 2 CHO 3. H₂O*
A: o Alkyl or arylhalide react with Mg in ether to produce Grignard reagent which reacts with aldehyde…
Q: mass 18.02 g/mol) affording, after work- up, 2,4-pentanediol (molar mass 104.15 g/mol) as the crude…
A:
Q: What are the NaCl mass percent, ppm and ppb levels in a solution that is prepared by dissolving 0.30…
A: Here we have to determine mass percentage, ppm and ppb of 0.3mg NaCl dissolved in 1L water.
Q: Calculate the Molarity of solution have 20 g of Glucose sugar C12H22012 Dissolved in 125 g of water…
A:
Q: The following figure shows the schematics of the energy and electronic distribution of the carbon…
A:
Q: please help...draw a physical structure of the molecule
A: In the given problem we need to draw as a 2D physical structure of the molecule.
Q: Archaeologists used pieces of burned wood, or charcoal, found at the site to date prehistoric…
A: 5730 Given, half-life of C-14 = years. 65.1% of C-14 found in living trees of the same type had…
Q: Oxidation process can happen between metal and organic solvent. O False O True
A: Metals in their elemental state, as well as many metal salts, cannot be dissolved in common…
Q: Q6. Perform this addition to the correct number of significant Q figures: 8.32 + 12.148 +0.02 (a)…
A: Q6. While adding or subtracting numbers, the answer should contain as many decimal place as the…
Q: Choose the stronger (less stable, more basic, more reactive) base in the following pair of…
A:
Q: 23. Which reaction or statement regarding nucleophilic substitutions is incorrect? A) XCI + 2 H₂O…
A:
Q: Prepare each of the following compounds by using any inorganic reagents necessary: 1)…
A:
Q: How much CO2 is formed by adding 5 g of baking soda to 75.0 ml of vinegar
A:
Q: 3. Identify the type of reaction show below as addition, elimination, condensation, substitution,…
A: Here we are required to find the type of reaction.
Q: EXERCISE 2: Calculate the pH of a 0.50 M NH3 at 25°C. At 25°C, the base dissociation constant (Kb)…
A: To calculate the pH of 0.5 M solution of NH3
Step by step
Solved in 2 steps
- 73 Al ihe school ey decided to adt sodum carbonae (NaCOJ tohe sampled wster in the school tankin order to restore he sttavalue close to The balanced equartion for the reaction is Na,Co.e) + 2HC (ag - 2Nac (ag • H0()• co; (al 731 Calcuate the mass of sodum cartonate (Na,CO.) required to neutralize each 1 dm' of the sample water 732 Ater the neutralization. the water tasted saty. Give a reason for the saly taste of the water Refer to the equation above.o/index.html?deploymentld%=55750828934189288909969212&eiSBN=9781305657571&snapshotld%32199898&id%3... ☆ IDTAP Q Search this cou Use the References to access important values if needed for this question. The concentration of H3ASO3 in a solution is determined by titration with a 0.1945 M Ce+ solution. The balanced net ionic equation for the reaction is: 2Ce*(aq) + H3ASO3(aq) + 5H2O(1) 2Ce*(aq) + H3ASO4(aq) + 2H3O*(aq) (a) If 19.83 mL of the 0.1945 M Ce** solution are needed to react completely with 30.00 mL of the H3ASO3 solution, what is the concentration of the H3ASO3 solution? M (b) Which of the two solutions was in the buret during the titration? (c) Suppose at the end of the titration, the solution containing the Ce³* ion is transferred to a volumetric flask and diluted to 300. mL. What is the concentration of Ce3+In the diluted solution? Submit Answer 5 question attempts remaining3 Bal, (aq)+ 2 Nag POq Caq) 7 BalPO42 + l6 Nal laq • Consider the reaction of 30.0mL of 0.270M Balz with 20.0 mL of 0.3ISM Naz PO4. Lwhat quantity in meles of Balz are preset in the solution? are produced /What quantitg in moles of precipitate E ali Bal were consumed based on the balanced chomical equation? 6) What auantity in males of Na3 Pla aro present in soluction? d) What quantity in moles of precipitate are paduced if all the Naz PO, were cansumed based on the balanced chemi.cal equation? e) which reactant is limisting f What mass (in g) of precipitate is firemed when the limiting reactant is considered?
- What is the concentration of limiting reaction solution of BaCl2? 3BaCl2 (aq) + 2NaPO4 (aq) -> Ba(PO4) (s) + 6NaCl (aq) Mass of precipitate is trial 1: 0.279g Mass of precipitate is trial 2: 0.487g Please complete trial 1&2many grams of Anilin GHs NH2 Should be Solved in water to Prefare dow a Solution of I liter containg oH iong Know that Kb (AnilWhe)=4*/0 with -6 2* 10 -10apacit d. The purity of KHP standard was taken as 100% when in actual it was not. Clear my choice A 10.00 ml sample of Y(OH)2 was titrated to the stoichiometric point with 14.50 mL of 0.2345 M H2X. The total number of moles of Y(OH)2 is O a. 0.0034 O b. 0.00469 O c. 0.00034 O d. 0.0068 Clear my choice
- Fill in the blanks by writing the name of the definition: is a substance which is added to the reaction mixture and changes color at the equivalance point. O a Primary standard O b. titrant İndicator O d. analyteconcider the reaction: 3KOH+H3PO4---> K3PO4+ 3H20 a 41.2ml sample of koh solution of unknown concentration requires 26.3ml of .165M of H2SO4 solution to neutralize what is the molarity of the KOH solution please show work and sig figs thank youCourse Home Courses Ô https://openvellum.ecollege.com/course.html?courseld=16516363&OpenVellumHMAC=6607995b61ef1ebc798fc86a6680d4f. Syllabus I Review | Constants | Periodic Table Scores Calculate the final concentration of each of the following. Part A eТеxt You may want to reference (Pages 306 - 308) Section 9.5 while completing this problem. 2.0 L of a 2.50 MHNO, solution is added to water so that the final volume is 9.0 L. Document Sharing Express your answer to two significant figures and include the appropriate units. User Settings HA ? Course Tools Value Units Submit Request Answer Part B Water is added to 0.25 L of a 5.1 M NaF solution to make 2.2L of a diluted NaF solution. Express your answer to two significant figures and include the appropriate units. T'i HẢ ? Value Units P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy. | Permissions | Contact Us | 4:45 PM P Type here to search (? 4/29/2021
- Determinati an 25 ml by dissolving 110n (111) per 1 This (as ml 750ml experiment Solution The to of was The a and process Q on added The portion layer taken 1 volumetric diluted Litre Colution Two These of in diluted ml soo 1% ETA of Question A. reaction an Solution 0₁ 446 9 of A. R. hydrated sulphate, (NH4) Fe (504) ₂ · 12H₂0 2 of distilled then of wertel) 0,0446 g/L of lion Absorbance was 250 ml in to ·layers frask was Is 2. 3. Was Chlore form and were 5 ml, 10 ml, 15 ml por tions 4. Iron • iron (111) four oxine it mixture the done. (111) seperatory conducted Volume SMT as 10 ml 15 ml 20 ml Plo + absorbance formed readings a (A.R) Jayer measured the por tions Solution was Water diluted out 20 ml were then Each of these mark against funnel as was after with for 8- ity droxy quinolate. follows. to iron (111) solution was prepared of then Calibration was ) 10 obtain collected. ammonium F. W-481,979 then these Absorbance 0,076 0,169 9185 0₁234. Shook. the shaking added portions…bWhen H2(g) react with 02(g) to f X y! When H2(g) reacts with 02(g) to X /index.html?deploymentld%3D5575088538553958224893344&elSBN=9781305657571... Q Search this co References Use the References to access important values if needed for this question. When HCI(g) reacts with NH3(g) to form NH,Cl(s) according to the following equation, energy is released into the surroundings. HCl(g) + NH3(g) NH,Cl(s) Is this reaction endothermic or exothermic? What is the sign of AH for the reaction? Would the energy of the surroundings increase or decrease as a result of this process? Submit Answer 1. Enthalpy and Representing Energy Change: This is group attempt2 of 5 Regenerate Group Autosaved at 4:41 PM Back Next 4:47 PM ) ENG 3/18/202 Chpsal Media Influencers Dress x Content OWLY2 | Online teaching and le x O Nomenclature of Oxyacid4 B Brany com Ce A cvg.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator%=Dassignment-take OPrevious Page 4 of 5 Next O References Use the References to access important values if needed for this question. Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "Submit". Use H,O for hydronium ion. Write a net ionic equation for the reaction that occurs when chromium(II) carbonate (s) and excess nitric acid (aq) are combined.
