Which element or elements are present in the unknown mixture?

Q: Draw the starting alkyl chloride that would produce this alkyne under these conditions. Drawing 1.…

A: When an alkyl chloride reacts with NaNH2, a dehydrohalogenation reaction occurs.

Q: A gas mixture containing nitrogen gas (N2) and helium gas (He) has a pressure of 3.30 Torr. If…

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Q: A 40.00 mL sample of 0.1000 M diprotic malonic acid is titrated with 0.0900 M KOH. What volume KOH…

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Q: Practice assignment: Stoichionmetry On a separate sheet of paper, show the setup and answer for each…

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Q: Mole 1. How many significant figures are in the number 0.0840900? 2. Write the following number in…

A: subpartsWe’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: 1. If a copper wire is placed in a beaker containing 1 M AgNO3, the clear solution is obs ved to…

A: Given: A copper wire placed in the AgNO3 solution turns blue and a flaky silver colour coating…

Q: In the reaction below, label the reactants and products 3Ti 2N2 TizN4

A: The substances that go into a chemical reaction are called the reactants, and the substances…

Q: help 9

A: If you are having doubt in any step please comment here. Thank you

Q: Choose the best reagents to complete the reaction shown. Br 10 Br A B C D E CH3OH heat 1. NH3, A 2.…

A: The given reaction explains the base catalysed formation of alkyne from alkyl dibromide.

Q: 5. What mass of NaHCO3 reacts in order to produce 450. g of NazPO4? 6. Calculate the percent yield…

A: 6) Note: Providing solution of question 6 as you have asked: Given, 3NaHCO3 + H3PO4 → 3CO2 + 3H2O +…

Q: Fresh liquid honey is a saturated s the liquid. What effect would st Explain why.

A: As the honey is a saturated solution of sugar. Two main sugar that are present in honey are glucose…

Q: HFag) HSO, (aq) F (aq) 7.

A: This is an example of acid base reaction.

Q: In which direction will the reaction shift if the following stress is applied? CO(g) + 3 H2(g)…

A: Reaction shifts that side which has less number of moles.

Q: In which direction will the reaction shift if 0.0500 M of each reactant and product are placed in a…

A: Equilibrium Constant (Kc) is the ratio between the product of the concentration of the products to…

Q: A chemist performed a reaction of 2-methylpent-2-ene with HBr in diethyl ether. However, after…

A: To identify the product structure when HBr is added to 2-methylpent-2-ene

Q: Draw the reactants that would react to form this cyclohexene derivative in a Diels-Alder reaction.…

A: The reaction between a conjugated diene and a dienophile (which is an alkene) gives cyclohexene or…

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: Oxidation number is the imaginary or fictitious charge developed on an atom if all shared electrons…

Q: When using the formula PV = nRT, how would you rearrange it to solve for the unknown, T? OT=PV/nR…

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Q: Arrange the following in order of highest to lowest concentrations of [H3O'), that is, the most…

A: pH = -log[H3O+]  log[H3O+] = -pH So, [H3O+] = 10-pH  As pH + pOH = 14.0  So, pH = 14.0 - pOH

Q: question1 help

A: When all properties of a molecule can not be explained by a single structure, more than one possible…

Q: 18. How many moles of CaF2 are in 75.0 grams? 19. How many atoms of bismuth are present in 600.…

A: This can be solved by using mole concept

Q: A balloon is inflated outdoors on a cold day in North Dakota at a temperature of – 40°C to a volume…

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Q: help #1

A: Ozonolysis of alkynes produces ozonide which on treated with acetic acid to form the dicarboxylic…

Q: Write and balance the equation representing what happens when Mg(NO3)2(s), a strong electrolyte,…

A: Magnesium nitrate Mg(NO3)2 is a  strong electrolyte like NaCl and dissolves in water. On dissolving…

Q: 26. Calculate the empirical formula from the information given below: a. 63.5% Fe; 36.5 % S d. 25.9%…

A: Calculation of empirical formula:   As per our guideline we have to answer first three questions…

Q: Draw the skeletal (line-bond) structure of (R)-3-isopropyl-4- methoxy-4-methylpent-1-yne. Use a dash…

A: we have to draw structure of (R)-3-isopropyl-4-methoxy-4-methylpent-1-yne

Q: 239 Pu + He - 0+ a

A: Balance the mass number on both sides.  Balance the atomic number on both sides.  Identification of…

Q: help 11

A: This reaction is an Acid-Catalyzed Ester Hydrolysis in which a compound produce its corresponding…

Q: Write a balanced reaction for which the following rate relationships are TRUE. Rate = 1 AIN: - A[O;]…

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Q: Draw the missing products or reagents in the following multistep synthesis. Ignore any inorganic…

A: Alkane react with chlorine in the presence of sunlight through a free radical mechanism to form…

Q: Which of the following aqueous solutions would you expect CaF, (s) to have the lowest solubility? a)…

A: Common ion effect decreases the solubility of the salt consisting of same ion.

Q: If a sample of vinegar was found to 1.55 % (m/m) acetic acid, what is the concentration of the…

A: Formula used:  Concentration (molarity) = number of moles of solute ÷ volume of solution in L  Means…

Q: Consider the two compounds below. Which one is more polar? Which one would you expect t travel…

A: A question based on polarity of the organic structures, which is to be accomplished.

Q: help #6

A: Bromination of chiral alkene is stereoselective reaction. So formation of dibromide is…

Q: The hydrogen oxalate ion HC,O," is amphoteric. Show how this is so by completing the following…

A: A question based on equilibrium concept that is to be accomplished.

Q: Which of the following gases does have a greater solubility in liquid water at 25 °C under the…

A: The solubility (S) of a gas in a liquid at a certain temperature is represented by the following…

Q: Determine the position that is most likely to be the site of an EAS reaction in the compound below:…

A: Site for an EAS in case of disubstitued benzene is decided as follows:

Q: 12. What is the percent yield of CO2 if 15.7 grams of CO, are formed from the reaction of 100.4 g of…

A: 12. Solution - According to the question - Given - Reaction : Fe3O4 + 4CO ----> 3Fe + 4CO2…

Q: Draw the starting structure that would lead to the major product shown under the provided…

A: Given reaction: We have to find the structure of the reactant that would lead to the product given…

Q: Draw one of the two stereoisomers of the major product from this reaction. Use a dash or wedge bond…

A: Organic reaGiven reaction is hydroboration followed by oxidation reaction.

Q: Draw the starting alkyne that would lead to this major product under these conditions. Drawing H3O+…

A: Alkyne gives a hydration reaction in the presence of sulfuric acid and a mercuric acid catalyst to…

Q: In which of the following pure compounds would intermolecular hydrogen bonding be expected? (Select…

A: In the formation of the chemical bond with the same or different elements, all elements tend to…

Q: Given the empirical formula of NO2 and a molar mass of 92.0 g/mol, what is the molecular formula?

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Q: Draw the skeletal (line-bond) structure of (E)-4,7-dimethyloct-4- en-2-yne.

A: Since, In line angle formula, Carbon donated by line and no any hydrogen shown assume that valency…

Q: 5. What volume will 400. mL of SO3 at 0°C and 760 mm Hg occupy at 110. °C when the pressure remains…

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Q: Ignore acid byproducts. RCO3H Q

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Q: Splitting of a signal in a proton NMR spectrum tells us the number of chemically non-equivalent…

A: we have to calculate the number of lines for the labelled H's

Q: 23. What volume of carbon dioxide gas at STP could be produced from the decomposition of 150.0 grams…

A: ★ Answer : 33.55 Litres CO2 gas will be produced at STP from the decomposition of 150g CaCO3. ★…

Q: Use the data below from an electron impact mass spectrum of a pure compound to deduce its structure.…

A: This question is mass spectrometry where we are the given the m/z values and from that we are going…

Q: Choose the correct set of reagents that would lead to this major product under these conditions. 0…

A: The addition of HBr in the presence of peroxide to an unsaturated compound takes place through…