A student found that 0.417g of THF had condensed at the bottom of their Erlenmeyer flask.  They also found that their Erlenmeyer flask held 133.6 mL.  When THF fills the Erlenmeyer flask as a vapor, the density of the vapor is ________g/mL. (use correct significant figures but leave the answer in decimal form)

Q: 2. Balance the following skeleton reactions, and identify the oxidizing and reducing agents: a)…

A:

Q: Wine goes bad soon after opening because the ethanol (CH3CH₂OH) in it reacts with oxygen gas (O₂)…

A: The number of moles of any substance is defined as the ratio of given mass of that substance to that…

Q: A chemical engineer must report the average volume of a certain pollutant produced by the plants…

A: According to the Rules for determining the number of significant figures in an answer : The result…

Q: .When 50 mls of sodium chloride (1.8% w/v solution) is combined with 100 mls of 0.6% w/v sodium…

A: We would use the formula to calculate the final strength of solution.

Q: In your report, you will evaluate the following reaction mechanism. Is it consistent with your…

A:

Q: How much Fe(II) remains after 10 seconds and 30 seconds of oxidation with permanganate? The initial…

A:

Q: How many valence electrons are in a neutral atom of thallium (T1)=

A: We have to tell how many valence electrons are in neutral Thallium (Tl)

Q: Part A Calculate the pH of a solution that is 0.080 M in potassium propionate (C₂H5COOK or KC₂H5O₂)…

A: we have to calculate the pH of solution

Q: This energy diagram shows the allowed energy levels of an electron in a certain atom or molecule:…

A:

Q: Given the balanced equation:  2 H2 + CO ? CH3OH ,  how many moles of CH3OH will be produced if 12.6…

A: The limiting reagent is the reactant that gets consumed first in a chemical reaction and therefore…

Q: Write a balanced equation for the Alka Seltzer reaction where aqueous citric acid, H3C6H5O7, and…

A: Citric acid is a triprotic acid , which means it has 3 acidic protons to donate.

Q: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas…

A: First we calculate the volume of the cylinder. Using the formula πr2h. And we convert the unit to…

Q: Here are sketches of four electron orbitals: A Are any of them s orbitals? List the s orbitals, if…

A: Shape of s & p orbitals are

Q: 3. For the reaction A B at 300 K and AG°¹ is -1.2 kcal/mol, in which direction will the reaction go…

A: Given, ∆G°=-1.2 kcal/mol      T=300 K If Q>K, the reaction moves to the forward direction while…

Q: PROBLEM 3-24 Draw the most stable conformation of: (a) ethylcyclohexane (c)…

A: Bulky group prefer equatorial position to avoid 1,3-diaxial interaction.

Q: Which of the following species is amphoteric, i.e., both an acid and a base?

A: Some substances have the ability to both accept and donate protons, which are known as amphoteric or…

Q: Write a balanced equation for each reaction and determine which substance is oxidized and which…

A: First we need to write the reaction.  Oxidised substance is that which lose electrons and  whose…

Q: Question 25 options: The following equation represents the reaction between aluminum (Al) and…

A:

Q: Time Remaining: 01:45:23 You mix 21 mL of 0.080 M hydrogen cyanide (HCN), Ka = 4.0x10-10, with 8.4…

A:

Q: Write the product if the compound reacts with CrO3

A: Here, oxidation state of CrO3 is +6. During the course of reaction, it will reduced to +3. Hence, it…

Q: Draw a skeletal ("line") structure of this molecule: CH3 CH3 CH-CH3 CH₂=CH-CH-CH-CH₂-CH₂-CH₂-CH3 CH3…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: If the equivalency point for an acid titration is at a ph of 6.75 which indicator should you use to…

A: Equivalence point:-  The equivalence point in a titration is that point at which the concentration…

Q: Predict the conjugate base of CH3C(O)CH3. A) CH3C(O)CH₂+ B) CH3C(O)CH₂ C) CH3C(O)CH₂™ D) CH3C(O)CH4

A: When a proton is removed from any acid then the anion which is formed is called as the conjugate…

Q: 12. Write charge balance and mass balance expressions for a saturated solution of AgCl where the…

A: #12: # Mass balance expression: In the mass balance equation, we make the total concentration of a…

Q: Part B How many grams of dry NH,CI need to be added to 2.00 L of a 0.100 M solution of ammonia, NH3.…

A:

Q: Name these organic compounds: structure HỌ — CH,— CH OH | CH₂-CH- CH₂-OH HỌ— CH,— CH,—OH name X S

A:

Q: ▾ Part A Calculate the percent ionization of 0.115 M lactic acid (K₂=1.4 x 10-4). Express the…

A: we have to calculate the percentage ionization

Q: Determine the empirical formula for the made-up compound with the following percent composition…

A:

Q: Nitrogen trifluoride, NF3, is used in the production of flat panel displays. It is also a potent…

A: Here we have to convert  0.454 ppt of NF3  in 2008 to mg per kg of air.

Q: 4. List all species present in a 1.00L solution of NaHCO3 from highest to lowest molar amounts.

A: NaHCO3, commonly known as Sodium Bicarbonate, in presence of Water, dissociates into carbonic acid…

Q: Which of the following alkyl halides will undergo the slowest SN2 reaction? A ||| B || C V D I IV IV…

A:

Q: For the following compound how many different signals would you see in the carbon NMR? (Assume that…

A: we have to determine total number of signals in carbon NMR of the given compound

Q: ct. 7) ot [References) The enthalpy change for the oxidation of glucose, C6H12O6, is measured by…

A: We know enthalpy of forward reaction = - enthalpy of backward reaction . The amount of energy…

Q: Calculate the concentration of all species in a 0.16 M KF solution. Ka (HF) = 6.3 × 10-4 Express…

A:

Q: Infrared radiation from young stars can pass through the heavy dust clouds surrounding them,…

A:

Q: Draw the product of an SN2 reaction shown below. Use wedge and dash bonds to indicate…

A: SN2 reaction is given and we have to tell the product of this reaction.

Q: 1. Outline syntheses of the following compounds, starting with triphenylphosphine, an alkyl halide…

A:

Q: Given the ka values of the following monoprotic acids: hypochlorous acid (HClO, ka = 3.3´10-8),…

A:

Q: Heat is applied to 50g of water (specific heat of 4.18J/°C) at 25°C.  The temperature of the water…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Determine ∆G° for a reaction when ∆G = -132.0 kJ/mol and Q = 0.043 at 298 K. (R = 8.314 J/mol ･ K)

A:

Q: Reaction to produce COCl2 (phosgene) from chlorine and carbon monoxide in a gaseous state It is said…

A:

Q: Provide an IUPAC name for the compound below. ball & stick labels 4 (Specify (E) or (Z)…

A:

Q: 2. A 4.626 milligram sample of a hydrocarbon, upon combustion in a combustion analysis apparatus,…

A:

Q: The drawing below shows a mixture of molecules: carbon nitrogen oxygen key O hydrogen sulfur…

A: Answer: On the basis of color it is clear to predict that two elements present are sulfur (golden…

Q: The pka of dihydrogen citrate ion is 4.77 a) Determine the Ka for dihydrogen citrate ion.

A:

Q: Determine E° for a galvanic (voltaic) cell if ∆G° = -3.9 kJ/mol and n = 3. (F = 96,500 J/(V･mol))

A: Given- ∆G°= -3.9kJ/mol = -3900 J/mole (1KJ = 1000J) n=3 F=96500 J/(V.mol)

Q: Write step by step process of naming of CrSO3 both in Old nomenclature and Stock system.

A: We need to write step by step process of naming of CrSO3 both in Old nomenclature and Stock system.

Q: Carbon disulfide gas and oxygen gas react to form sulfur dioxide gas and carbon dioxide gas. What…

A:

Q: Fill in the information missing from this table: Some electron shells shell 2 4 1 subshells 2s, 2p…

A:

Q: Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid…

A: