What is the mass of a piece of iron that releases 134.60 joules of heat as it cools from 93.13 degrees Celsius to 13.87 degrees Celsius? The specific heat of iron is 0.450 J/gC; please answer to two digits after the decimal point.

Q: The enthalpy of sublimation (direct conversion from solid to gas) of carbon dioxide is 26.1 kJ/mol.…

A:

Q: What are the possible sources of error based from how the researcher obtained the water samples from…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: 42. Cadmium sulfide, CdS, is an insoluble substance with a Ksp of 1.0 X 10º. It dissociates in water…

A: The concentration of any species is defined as the no of moles of that substance present in unit…

Q: A new band sensation is playing a concert and recording it for a live album to be released this…

A: Amplitude of a sound wave is also part of singing. When someone sings with a greater amplitude…

Q: What is the concentration of Cd²* required (molarity) in a solution that is 0.0014 M in CO3²- in…

A:

Q: If a spontaneous reaction increases entropy, the change in enthalpy must be A) positive B) zero…

A:

Q: Carbon tetrachloride, CCI4, was widely used as a refrigerant and in fire extinguishers until it was…

A:

Q: ow many moles of UF6 would have to be decom rbon is available.) i mol UF6

A: The balanced chemical reaction,  3C + 2UF6 ---> 3CF4 + 2U 3 mol CF4 required = 2 mol UF6 2.06 mol…

Q: 29. A solution of 0.0050 M HF would be expected to have a pH that is: A) lower than a solution of…

A: The pH value shows if the solution is acidic or basic or neutral.  if pH is less than 7, then acidic…

Q: What product would be expected in this reaction? %3D H CH;ONH, "H. HO OCH3 H

A: By observing the reactant and reaction conditions, we can expect an imine as possible outcome for…

Q: A voltaic electrochemical cell is constructed using the following reaction. The half-cell components…

A: Recall the given redox reaction,                               Cd s  +  Sn2+ aq  →  Cd2+ aq  +  Sn…

Q: Balance the following oxidation-reduction reaction that occurs in an acidic solution using the…

A: First separate two half reactions and then check which reaction is oxidized and which one is…

Q: Which aqueous solution has the lowest pH? O a. 0.30 M HCI O b.0.30 M NH 3 Oc.0.30 M CH 3COOH O…

A:

Q: Chemistry When (R)-2-butanol is left standing in aqueous acid, it slowly loses its optical…

A:

Q: A 0.4755-g sample containing (NH,),C,O, and inert materials was dissolved in water and 3. strongly…

A:

Q: At 120 °C and 1 atm pressure, 1.00 L of methane, CH4, reacts completely with excess oxygen to form…

A:

Q: 2. What is the relationship between (S)-proline and (R)-proline? What about…

A: 2) Molecules that are mirror images but non-superimposable are enantiomers. If they aren't…

Q: Dry ice, solid CO2 (s), can be made by allowing pressurized CO2 (g) to expand rapidly. If 36% of the…

A: Given data:                                  Volume (V) = 6.8 ft3…

Q: 2. The oxidation of secondary alcohols yields

A: Primary alcohol is the compound in which the carbon having OH group is attach to one more carbon…

Q: Which element has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d⁵?

A: Total number of electrons =( 2+2+6+2+6+2+5 )  = 25 We know that, Atomic number = number of protons…

Q: II. lodometry II. Permanganate IV. Dichromate

A: Indicators can be defined as the  substances that change colour when they are added to basic or…

Q: Determine the change in the standard entropy, AS°, at 298K, for the given reaction using the…

A:

Q: 22) what would be the alcohol product if MeMgBr/ether &H3O+ are added to 3-hexanone ?

A:

Q: Write a balanced equation for the reaction of acetic acid (as an aqueous solution) with solid sodium…

A:

Q: The specific heat capacity of liquid ammonia is 4700J/Kg.K and its latent heat of vaporization is…

A:

Q: A sample of nitrogen gas is confined to a 14.0 L container at 375 torr and 37.0 degrees Celsius. How…

A:

Q: Given 685g of water if 3.00mol of PCl5 was added. Find the freezing point of water

A: We are given: Mass of water = 685 g moles of PCl5 = 3.00 mol freezing point of water ( Tof ) = 273K…

Q: 3. Draw the structure for a) (Z)-1-chloro-2-ethyl-1,3-butadiene b) glycerol c)…

A:

Q: 5. Base pairing in DNA is accomplished through A. disulfide bonds B. hydrogen bonding C. peptide…

A: Base pairing in DNA accomplished through

Q: olo While ethanol (CH,CH,OH) is produced naturally by fermentation, e.g. in beer- and wine-making,…

A:

Q: Copper commonly occurs as the sulfide mineral CuS . The first step in extracting copper from CuS is…

A: In balancing of redox reaction total electrons gained by oxidising agent is equal to total electrons…

Q: and face angles, predict the shape of each of the following crystals. Y = 60° a =7.6 nm, b=7.6 nm,…

A: a. The edge length is the same, a=b=c and the face angles are different, α≠β≠γ shape - Rhombohedral

Q: Create a cell diagram with states of matter and charges for the two redox reactions below: Al(S) +…

A: Let us discuss both the reaction.

Q: noles of UF6 would have to be decomposed to provide enou ailable.) mol UF6

A: Given,  Moles of CF4 = 2.06 mol Balanced chemical reaction,  3C + 2UF6 ---> 2U + 3CF4

Q: Compound Z has a heat of vaporization of 155.9 J/g, a specific heat capacity of 2.08 J/gºC, and…

A: Given, Boiling point = 72.1 °c □Hvap = 155.9 J/g C(l) =  2.08 J/g-°c Mass of. Z(m) = 562.4 g

Q: 3. In Part C, you prepare four solutions (starting concentrations are given blow) in test tubes and…

A: Kf = [FeSCN2+]/ [Fe3+] * [SCN-]

Q: 1) Nal Br a) 2) NaCN, acetone I) NAOC(CH,), heat b) Br 2) BH, THF; 3) H,O, NaOH(aq) 1) HCI c) 2)…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Questions 30 and 31 both involve a 0.22 M solution of acetic acid (CH3COOH). Tme Ka of CH3COOH is…

A:

Q: 39) Complete the multi-step synthesis by showing the product structure of each step. NaNH2 H/Pd CH…

A:

Q: Determine the major product of the given reaction below by drawing the complete reaction mechanism.…

A: Here we have to write mechanism of the following given reaction.

Q: Zn(s) + 2 OH(aq)Zn0(s) + H2D(e) + 2e e HgO(s) + H,0(4)+ 2e Hg(e)+ 20H (aq) Consider the animation…

A:

Q: Chemistry At 355 K, AG = -5.7 kJ/mol for the reaction A %3D (g) → 2 B (g). If the partial pressures…

A:

Q: In electrochemistry, specific conductance is defined as (1000/N)* k, where N is the normality of the…

A:

Q: What is the vapor pressure of an aqueous solution at 250C that is 4.00 molal in sugar and 3.00 molal…

A:

Q: Current Attempt in Progress What is the mass defect for americium-241 if the mass of the nucleus is…

A:

Q: Discuss briefly the major use/importance of the following organic compounds: A. Alkanes B. Alkenes…

A: A. Alkane is  important raw material of  chemical industry and the principal constituent of gasoline…

Q: Balance the given redox reactions using the oxidation number method  a.H2S(aq) + HNO3 (aq) -> S(s) +…

A: Oxidation number is the hypothetical charge of an atom if all its bonds to different atoms are fully…

Q: The following compound may undergo the Dieckmann condensation reaction (an intramolecular Claisen…

A: Detail mechanistic pathway is given below to find out the beta keto ester product

Q: Ph, Ph-P: Ph Predict the product of this Wittig reaction : Ph. Ph (A) (В) (C) (D) Ph Ph Ph Ph H. Ph…

A: The reaction between ketone or aldehyde with triphenylphosphonium ylide produce a new alkene bond.…

Q: Consider the following reaction mechanism for the addition of HCl to propene in the gas hase. The…

A: As given that the third step is the rate determining step, so rate law is given as: Rate =…