Q: A solution contains 20.5g of NaCl dissolved in sufficient water to give a total mass of 166.2g. What…
A: Given :- Mass of NaCl = 20.5 g Mass of solution = 166.2 g To calculate :- Molality of solution
Q: Prepare a spreadsheet for the titration of 48.2 ml of 0.2025 M H2L with 0.1012 M N2OH, pKa1-3.65 and…
A:
Q: Which of the following describes the reaction: "N +He - "0+}H bombardment reaction O alpha decay…
A: Nuclear bombardment reaction is a nuclear reaction in which nucleus is bombarded by another nucleus…
Q: 2RO, (aq) + 12 H* (aq) + 3 M (s) = RO (g)+3M²* (aq) + 6 H20 (1) = 3.86 V. R: 5 valence e-,…
A: In the given reaction RO3- reacts with M to form RO And M2+
Q: Arrange these species by their ability to act as an oxidizing agent. Best oxidizing agent Poorest…
A: Oxidising agent is that species which oxidises the other and reduces itself whereas reducing agent…
Q: Balance the following equation by filling the gaps with appropriate numbers. SrCl2 Sr HCI H2
A: Balanced chemical equations are those in which number of atoms on left hand side and right hand…
Q: Selogib e sy 3. Draw the most appropriate Lewis structure(s) for the ion BH,. What is the electron…
A:
Q: Which of the following will reduce KMnO4 and produce a brown precipitate? 2,2-dimethylpentane…
A: The reduction of KMnO4 (violet-pink) color to brown precipitate (MnO2) is a test for the detection…
Q: Explain why salts can be acidic, basic, or neutral.
A: Salt is formed by the reaction of acid and base.
Q: How many moles of HCl are contained in 100mL of 0.15M HCl?
A:
Q: An iron nail is put into a solution of copper nitrate, iron is above copper in the activity series…
A: Correct option is a) Fe(s)+Cu(NO3)2 ⟶Cu(s)+Fe(NO3)2 When an iron nail is dipped in copper nitrate…
Q: 1. CH,OH Br Br2 HBr ÓCH, 2. CH2 Li a = Proton transfer d = Radical chain addition g = E2 Elimination…
A: The mechanism by which the reaction proceeds is:
Q: Write balanced, net ionic equations for each of the five reactions and, using the scheme outlined in…
A: Since you have asked multiple question, we will solve the first question for you.If you want any…
Q: 2 N205 (s) 54 NO, (g) + 02 (g) AG;° (kJ/mol) N2O5 (s) 117.7 NO2 (g) 51.8
A: From the standard Gibbs free energy data □G° = [Total Gibbs free energy of products] - [Total Gibbs…
Q: Number of atoms of Carbon in 9 moles of C4H10 are: O 24.09x10^23 O 3.74x10^23 O 216.79x10^23 O…
A: Avogadro's number is the number of units in one mole of any substance ( molecular weight…
Q: (CH, CH,), N :0: || NH, — С — NH, :0: - CH, — С — сн, - | CH,CH,OH но — сн, — сH,— он :0: CH3 CH,-C-…
A: The correct answer about solubility is given below
Q: An electric current of 25.80 A transports 0.30 kC of charge. Calculate the time this took. Be sure…
A:
Q: Based on the reaction below, what is the correct K, expression for the this complex ion? 3+ Co3+ +…
A: Kf for equilibrium reaction is :- Kf = [product]÷[reactant]
Q: Consider the titration of 50.0 mL of 0.0500 M NaCl with 0.100 M AgNO3. Calculate pCl at various…
A: 1,2
Q: Acids turn blue litmus paper red. Does the red litmus paper change color with acids? acid acid blue…
A: Litmus paper is used to indicate acidity or alkalinity of solution.
Q: Calculate the temperature in oC when 2.50 moles of argon occupy 25.0 L at 1.20 atm. Write the ideal…
A:
Q: 6. One way to increase volume of a gas is to A. increase the temperature B. increase the volume C.…
A: By ideal gas equation, PV = nRT => volume is directly proportional to temperature . ••And…
Q: following compound: sodium azide Identify a suitable synthesis that could be used to achieve the…
A:
Q: Why does diffusion in solids important?
A: The correct answer about diffusion in solids is given below
Q: Use ligand group orbital approach to describe the bonding in [CO3] 2- . Include schematic…
A: Carbonates [CO3] 2-are polyatomic ligands. They are found to bind to two or three metals…
Q: Which of the following describes the reaction: 10 TI → °,e + 0Pb 2101 82 Obombardment reaction…
A:
Q: why do you need to determine the concentration of the sodium hydroxide (NaH) using potassium…
A: Before using NaOH to determine the concentration of acetic acid in vinegar, we need to determine its…
Q: For the reaction below, the DH° = -113.1 kJ/ %3D mol and DS° = -145.3 J/K-mol. Calculate the…
A:
Q: R: 5 valence e-, electronegativity of R = 3.3 M: 2 valence e-, electronegativity of M=0.5 O and H…
A:
Q: Describe the energy output, initial substrates, and end products of the glycolysis process.
A: Glycolysis is a cytoplasmic pathway which breaks down glucose into two three-carbon compounds and…
Q: Identify 2 cosmetic ingredients (either in cosmetic or toiletry products) that are classified under…
A: We have to find 2 cosmetic ingredients comes under the categories of Skin sensitizer. Skin irritant,…
Q: What is the % pH change if a student added 0.0025 mol of Ca(OH)2 to a 1.00 L buffer solution…
A: % pH change will be calculated using the formula as shown: % pH = ( Change in pH / Original pH ) ×…
Q: According to VSEPR theory, what determines the geometry of a molecule?
A: Please find your solution below : VSEPR (valence shell electron repulsion) theory is a theory used…
Q: solution (in water) and 0.2M Tris-HCl, pH=8.00. For this part, the concentration of PNPP will remain…
A:
Q: ce (OH ].
A:
Q: 1ven Sred thered J ietiesontprotong nd the gorey hered repted onds ४क स १००nछ क्काण्छ ए o०४०…
A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…
Q: Experimental value kJ/mol Accepted value kJ/mol Percent error %
A: q = m cs ∆T q = quantity of heat Where, m = mass of solution (total mass) cs = specific heat of…
Q: 13. A 2.5-L flask at 15°C contains a miyture of Na. He and Ne at partial pressure of 0.32 au N2,…
A:
Q: How many molecules of sucrose are in 3L of a 4 molar solution of sucrose?
A: Given: Volume of solution = 3 L Molarity of sucrose solution = 4 M
Q: Calculate the Gibbs free energy (AG°) of the reaction below. Is this reaction spontaneous or…
A: At standard condition Gibbs free Energy explain maximum work done by a thermodynamical system .
Q: Arrange in order of decreasing acidi
A: A substance is said to be acidic if can donate or lose H+ ion The strength of acid depends on the…
Q: 9. A sodium thiosulfate solution is standardized using pure copper as the primary standard. A sample…
A: Step 1. Cu2+ ion liberated iodine from KI 2Cu2+ + 4I- → 2 CuI (aq) + I2 Step 2. Liberated iodine…
Q: Differentiate the scents of Lemon and Orange extracts
A: Lemon and orange extract are the flavouring material use to add flavour along with that these are…
Q: 24. What products are formed when the amine below reacts with HCl? H. N-CH,CH,CH,CH,CH;CH3…
A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a…
Q: An electric current of 284.0 mA transports 680. µC of charge. Calculate the time this took. Be sure…
A: The current flow in unit time is known as current. The calculation of the current can be done by…
Q: What role do you think the government should have in GMOs and why?
A: Please find your solution below : GMOs or Genetically Modified Organisms are the animals, plants or…
Q: The enthalpy of the formation of ammonium chloride is AH° = -175.9 kJ/mol at 25°C. Calculate the…
A:
Q: 1) Write the solubility product equilibrium and the solubility product constant expression for…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: For the reaction below, the AH° = -113.1 kl/mol and AS° = -145.3 J/K-mol. Calculate the equilibrium…
A: ∆G° = ∆H°-T∆S° ∆G° = -2. 303 RT logK
Q: Cl-C-C-Br ČI HB НА НВ *10. Explain the patterns and intensities of the isopropyl group in isopropyl…
A: The correct answer about NMR spectrum is given below
Step by step
Solved in 2 steps with 1 images
- How many molecules of NaHCO3 are present in 983.2 moles of NaHCO3v?Calculate the average molecular weight of ChlorotoxinWill the molecular weight of the sample be more or less than the correct molecular weight if the sample was not completely evaporated in an experiment to determine the partial weight of volatile liquids
- 14 what is the name and molar mass of this structure?What is the ammonia gas in agriculture used for?An unknown compound is processed using elemental analysis and found to contain 117.4 g of platinum, 28.91 g of carbon, and 33.71 g of nitrogen. What quantity in moles of platinum are present in the compound? What quantity in moles of carbon are present? What quantity in moles of nitrogen are present? Determine the emperical formula and the IUPAC name?
- How many molecules of ethanol (C2H5OH) are present in 50.0 g-sample?what are conditions for formation of clathrates?Analysis of skunk spray yields a molecule with44.77% C, 7.46% H and 47.76% S. What is the chemicalformula for this molecule found in the spray fromskunks that scientists think is partly responsible for thestrong odor?