A solution for disinfecting clinical thermometers was prepared by dissolving 22.5 g of ethyl alcohol in 58.0 g of water. What is the percentage by mass of ethyl alcohol in the solution? Show your solution.

Q: Draw the structure below as a Newman projection looking down the indicated bond in the conformation ...

A: The Newman projection represents the dihedral angles of different conformations of a molecule. In th...

Q: Based on the given data, what is the Amax of cobalt? 0.1M Cobalt 300 0.451 325 0.467 350 0.584 375 0...

A: The lambda v/s absorbance data given is,

Q: What is the molar absorptivity of cobalt at λmax of copper?

A: The data given is,

Q: 3. The following molar concentrations were obtained from replicate standardization of a solution: 0....

A: To calculate the confidence interval at 95 and 99% level. 

Q: major organic product

A:

Q: 5. Give 10 examples of solutions commonly found in your home. Identify the solute and the solvent...

A: 1. Answer -  10 examples of solutions commonly found in your home -   coffee or tea. sweet tea or c...

Q: Main group elements have valence electrons in which suborbitals

A: In the periodic table, the elements present in the same group have the same number of valance electr...

Q: Propane (C3H8) burns in this reaction: C3H8 + 5O2 → 4H2O + 3CO2 If 200 g of propape is burned: a....

A: Given, Propane (C3H8) burns in this reaction: C3H8 + 5O2 → 4H2O + 3CO2 If 200 g of propape is burned...

Q: Calculate the volume in liters of a 0.28 mol/L aluminum sulfate solution that contains 100. g of alu...

A: Concept ; Molatity = moles of solute/ Volume of solution in Litre.  Thus by using this formula we ca...

Q: A chemistry student is given 1.00 L of a clear aqueous solution at 17 degrees Celsius. He is told an...

A:

Q: c. One of your propagation steps should have created "HBr" as a product. Write the products of the r...

A:

Q: The general structure below is called:

A: Carbonyl compound (aldehyde and ketone) reacts with an alcohol to form hemiacetal in the presence of...

Q: Why does the reaction of t-butanol with sulfuric acid gives the elimination product isobutylene wher...

A: Below attached file showing the details answer All the best. 

Q: ou have 729 mls of water and you want to make a 0.864 molar (M) solution of barium hydroxide.  How m...

A: Given : Volume = 729ml  Molarity = 0.864M

Q: ΔH

A:

Q: Select whether the property is likely to increase, decrease, or would have no effect in the given pa...

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 rows of mult...

Q: For every given acid or base, write the equation of their reactions with water when they donate or a...

A: Given, 1. Hydrocyanic acid 2. Carbonate ion 3. Ammonium ion 4. Sulfuric acid 5. Acetic acid  The rea...

Q: Based on the pH scale shown here, how many times more basic is oven cleaner than milk of magnesia. 1...

A:

Q: QUESTION 8 An aqueous solution of CUNO3 is mixed with an aqueous solution of Nal and a precipitate f...

A: Firstly, let us write chemical reaction and then we can determine solid formed and its colour.

Q: 3. Given the following statements: The temperature of the solution is at 25°C. The vapor pressure of...

A:

Q: Hello, I need help finding oxidation numbers for each element in the compounds below. Cd(OH)2 CO2 CH...

A:

Q: A 21.64 g sample of a nonreactive metal is placed in a flask containing 12.00 mL of water; the final...

A:

Q: How many grams of CO2 are formed from the combustion of 129 g methane?

A: The above question can be solved by using stoichiometric calculations. 

Q: empirical formula

A:

Q: Which of the following statements is not true?       Gilman reagent and less hindered alkyl halide a...

A: We are here given six statement and out of which we have to select the wrong statement. 

Q: IUPAC name

A: The given molecule is ester molecule which is having bromine substitution. The name of the compound ...

Q: A volume of 0.25 L is acquired when you combine 0.2 g of Mg metal with HCl. Assuming the solution co...

A: Given, Volume of HCl solution = 0.25 L Mass of Mg metal = 0.2 g Temperature changes from 24.1 degree...

Q: You are an element capable of producing oxygen when fused with you own kind, which element are you

A: Oxygen is a diatomic gas.

Q: concentration, mM Amax cobalt|^max copper 20.00 0.177 0.238 40.00 60.00 0.382 0.518 0.487 0.731 80.0...

A: Given : We have to calculate molar absorptivity of copper at lambda max cobalt.

Q: Calculate the molarity of a solution containing 2.80 moles of ethyl alcohol (C2H6O) in 500 mL of sol...

A: The molarity = the number of moles of solute present in 1L solution. The molarity of ethyl alcohol =...

Q: calculate the concentration of nitrate ion in a solution of 0.10 m barium nitrate solution following...

A: Barium nitrate solution has a concentration is 0.1 m  Barium nitrate dissociate into form 3 ions in ...

Q: Intravenous, or IV, solutions used in medicine must exert the same osmotic pressure as blood to prev...

A: Given,  Mass of NaCl, m = 0.90 g  Molar mass of NaCl = 58.5 g/mol  Number of moles of NaCl = 0.90/58...

Q: • What is the product of the following sequence of reactions? 2Li Cul pentane ether ether 1. 2. 3. b...

A:

Q: 1. Calculate the pH of buffers that contain the acid and conjugate base in following concentrations:...

A: Buffer are solution which will resist the change in any pH when bases and /or acid are added externa...

Q: Response of an ion-selective electrode When a fluoride electrode was immersed in standard solutions ...

A: Ion-selective electrode is a sensor which converts the activity of a specific ion into an electric p...

Q: If a laser with a wavelength of 450 nm emits total 7.25 x 10" photons over a given time period, what...

A:

Q: products

A:

Q: Which is true regarding the compound C12H22011 (lactose)? O it is ionic and held together by opposit...

A: A covalent or molecular bond is formed with the sharing of electrons.

Q: Which is true regarding Sr? The atoms lose 2 electrons to form a +2 ion O The atoms lose 2 electrons...

A: An atom gets converted to ion i.e. cation or anion by losing or gaining the electrons for achieving ...

Q: Why are there multiple products produced from the halogenation of alkanes via ultraviolet light?

A: Given that : We have to determine the reason why multiple products produced from the halogenation of...

Q: Estimate the straln energy of the following 2,3-dimethylbutane conformaton. Use straln energy Increm...

A: The conformation for 2,3-dimethylbutane is given as  

Q: C7H_N,DBt H2 NyO BE t.

A: The balanced chemical reaction is provided below.

Q: 6) An analyst meanred the con entration acid in a solution uning two diferent indicators. lis result...

A: Solution -

Q: strong acid HI weak acid NiCO3 strong base FEPO4 weak base HNO2 soluble salt NaOH insoluble salt str...

A: Ans -  Table  - 1     HI            =  strong acid NiCO3        = weak base FePO4        = Insoluble...

Q: energy (ir

A:

Q: The following are data for the adsorption of CO on wood charcoal at 0°C. The following pressure P is...

A:

Q: What happens to phenol when: a) it reacts with NaOH? b) it reacts with sodium bicarbonate? c) it ...

A: Given, What happened to phenol when, a) it reacts with NaOH  = ? b) it reacts with sodium bicarbonat...

Q: Indicate the hybridization of the C, O, and N atoms in each of the molecules.

A: Tetra valency of carbon with single bonds exhibit SP3 hybridization, double bonded carbon SP2 and tr...

Q: In the compound below, which specific atom is most likely to get attacked by nucleophiles? Use the n...

A: Nucleophiles are electron rich compounds.

Q: Name one of the two products for the oxidative cleavage of pent-2-ene

A: Oxidative cleavage of an alkene can be done by the reaction of an alkene with ozone and hydrogen per...