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Q: Select the correct solubility product expression (Ksp) for tin(IV) sulfide. Select one: Ksp = [Sn...

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Q: H. CH-C-C=c-H CH3 Check Next (5 of 8) エー

A: To give the name of the compound select the longest principal carbon chain that has 4 carbon and giv...

Q: A container of N,0,(g) has a pressure of 0.465 atm. When the absolute temperature of the N,O,(g) is ...

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Q: If a gaseous mixture is made by combining 2.17 g Ar and 2.55 g Kr in an evacuated 2.50 L container a...

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Q: 4. Predict the esters formed in the following reactions. A catalytic amount of acid is added in each...

A: In this reaction Ester is formed. One molecule of water eliminate.Hydrogen from alcohol and OH from ...

Q: The number 158.70 in normal scientific notation, showing proper significant figures is:

A: Given number= 158.70 In scientific notation, Decimal will be placed after first number , so  

Q: The CO2 concentration profile in water during the absorption test exhibits a sigmoidal shape and cou...

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Q: 4. 25 g of propane (C3H8) react with 25 g of oxygen gas (O2). What mass of water is produced?  C3H8 ...

A: Reaction is C3H8 + 5O2 -> 4H2O + 3CO2 25 gram propane = 0.568 mol 25 gram O2 = 0.781 mol

Q: What volume (in mL) of a 0.153 M sodium hydroxide solution must be added to a 20.0-mL sample of a so...

A: The question is based on the concept of titration. We are titrating a strong acid with a strong base...

Q: The rate law for the reaction A + B --> products is zero order in A and second order in B. If the...

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Q: The element with atomic number 38, strontium (Sr), can be found in what period of the periodic table...

A: The periodic table is a tabular display of chemical elements arranged according to their atomic numb...

Q: What amount of heat is needed to raise the temperature of 25.5 g of water from 18oC to 29oC? Water's...

A: q = mc∆T  q is the amount of heat energy required  m is the mass of substance  c is the specific hea...

Q: Please explain mole concept all formula.

A: The mole concept was introduced to explain the concentration of the ions, compounds, and solutions. ...

Q: A 5.73 L flask at 25.0 °C contains 0.0388 mol of N2, 0.147 mol of CO, and 0.0803 mol of H2. What is ...

A: For a mixture of non reacting gases , the total pressure is calculated by using the relation PV = (n...

Q: Discuss the application of any three of the following analytical methods for gold, copper and iron o...

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Q: Can you help me to solve question 23 please

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Q: Draw the major organic product(s) of the following reaction. CH3 H,C-c-cEc-H CH3 NaNH2 / NH3(1) CH3C...

A: In this question, we have to find out the correct product of given reaction by the help of "Alkylati...

Q: Calculate the wavelength of the light emitted when an electron in a hydrogen atom makes each of the ...

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you ar...

Q: Is a strong electrolyte in aqueous solution А NH3(g) В BH3(g) C H2(g) D H2S(g) HBr(g)

A: Strong electrolyte is that electrolyte which gets completely dissociate in aqueous solution. 

Q: Which is the correct ground-state electron configuration for a chromium atom (Cr; Z = 24)?          ...

A:   • Chromium is an chemical element whose atomic number is 24 and is placed in group 6 in modern per...

Q: info :From 24 to 30 ml, they had the same pH of 12.6

A: The question involves comparison of titration curves of two reactions. we have been given a weak aci...

Q: Question 2 The solubility-product constant, Kyp, of a metal oxalate salt, MC204, is 1.70 × 10-7 at 2...

A: a) Charge of oxalate = 2- Therefore, M must be of charge 2+ Equation for dissociation of MC2O4 : MC2...

Q: The diagram below depicts a lithium atom with three protons and four electrons. Explain what must ha...

A: A neutral atom is one which contains equal number of electrons and protons. Here we have a lithium a...

Q: C There are more moles of Ar than there are moles of N2.

A: Given that volume of both containers are same, and temperature also same. 

Q: h the given semi-structural formulas. a) H;C–CH2-CH-CHO

A: When aldehyde is obtained from alcohol then we use weak oxidising agent

Q: Calculate the molar concentration of the chloride ion in a solution prepared by dissolving 120.0 gra...

A: Given:- Mass of MgCl2=120.0 g             Volume of solution =560.0 ml To find= Molar concentration ...

Q: How many moles are in 9.50 g of CO,? Show your work.

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Q: stru Icohols nat must be oxidized to give chemic compo vith the given semi-structural formulas. CHO

A: To get aldehyde we have to treat alcohol with weak oxidising agent like PCC

Q: During the chemical reaction below 4.81 grams of each reagent were allowed to react. Determine how ...

A: Use the stoichiometric calculations using limiting reagent concept.

Q: All changes 1. Determine the concentration of a solution that started out as 0.1 L of a 0.1 M soluti...

A: According to law of equivalence ,  M1V1 = M2V2 Where M1 and M2 are initial and final concentration o...

Q: For questions 8- 12 balance the nuclear equation, then indicate if the equation represents fission o...

A: Nuclear fission means atom split into two or more smaller atom. Nuclear fusion means two or more ato...

Q: All changes savea 3. You have 500 mL of 5 M HCl already made. You need to dilute the solution to 1 M...

A: Here we have already made 500 mL of 5M HCl. We have to dilute the solution to 1M HCl. There is a for...

Q: What is the mass in grams of ^16O with 15.995 u ?

A: Unified mass unit:- Theu unified mass unit (u) is a unit of atomic and molecular masses. It is gener...

Q: A glass laboratory flask is filled with gas at 25 ∘C and 1.01 atm pressure, sealed, and then heated ...

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Q: A solution is prepared by dissolving 80.0 mg of potassium phosphate in 25 ml. of water. What is the ...

A: Given, the mass of potassium phosphate =80.0 mg =0.08 gvolume of solution =25 mL we are asked to cal...

Q: How many grams of water are produced by the combustion of 32.0 g of CH ? CH, +20, + 2H,0+ CO, Show y...

A: 1 mole of CH4 produce 2 mole of H2O 2.0 mole of CH4 produce 4 mole of H2O  

Q: If det cola drinks have a pH of about 3.0, while milk has a pH of about 7.0. How many times greater ...

A: The pH is the measure of the concentration of H+ ions in the solution. This measures the acidity of ...

Q: 20

A: Aromaticity gives large stability to the species. 4n+2 delocalised pi- electrons provide aromaticity...

Q: A reaction A + B --> products has a rate law that is second order in A and third order overall. T...

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Q: Predict the major product for the following reaction. H3O* Cl2 `CI

A: Solution- option A (I) will be correct which all step with structure is given below;  

Q: 6-Write all the chemical reactions in the sulfur cycle?

A: Sulfur is an important mineral in living organisms. Sulfur is present in all proteins.  Methionine a...

Q: 10

A: Which statement is correct = To be determined 

Q: ind ΔH for the reaction    C3H8 (l) + 5O2(g) --> 3CO2(g) + 4H2O(l)        ΔHrxn = ? Given:   [CO2...

A:  for the reaction    C3H8 (l) + 5O2(g) --> 3CO2(g) + 4H2O(l)        ΔHrxn = ? Given:   [CO2(g)] =...

Q: Spin quantum number is related to _ and _ of a nucleus.

A: Spin quantum number  denotes the rotation of electron in the orbital

Q: Help please

A: When alkene is treated with H2/pt then double bond is hydrogenated. We add hydrogen on double bond a...

Q: A container holds 75.0 g of CuO and 5.00 g of H₂. The following reaction occurs: CuO + H₂ --> Cu ...

A: Given that : Mass of CuO = 75 g Molar mass of CuO = 79.545 g/mol Number of moles of CuO=Given massMo...

Q: what is the activation energy? rate = r = k [I-]^1 [S2O82-]^1 Mixtures:             Temperatures (ce...

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Q: Problem: What product(s) would you expect from sulfonation of the following compounds? (a) Nitrobenz...

A: a) nitobenzene on sulphonation gives m- nitobenzene sulphonic acid. b) Bromobenzene on sulphonation ...

Q: Which of the following is defined as the capacity to do work and transfer heat?    A.It takes more ...

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Q: Find the molar absorption coefficient for ovalbumin and cytochrome c.

A: The molar absorption coefficient can be given as follows: ε=Tryptophan number×5500+Tyrosine number×1...