How much heat evolves from burning 16.4 g of sulfur, S8, in air? S8 + 8 O2 ----> 8 SO2 H rxn= –2.39 x 103 kJ

Q: 3‑Methylbutanal undergoes an aldol reaction to form 3‑hydroxy‑2‑isopropyl‑5‑methylhexanal. Complete…

A:

Q: Determine the AU°reaction at 25 °C (in kJ/mol) for the following reaction: SİCI4(I) →Si(s) + 2C12(g)…

A:

Q: Using tabulated values of S°, calculate the standard entropy per mole of atoms for the following. X…

A:

Q: Part 4 Incorrect. Refer to equation 3-11 and remember the ideal gas law. If 1.00 mole of NI3(s)…

A: Recall the reaction that will occur here          NI3s →12N2g + 32I2g  Here 1.00 mole of NI3 (s) is…

Q: Concentration of NaOH in HCl is 2.57% by mass. Density of HCl is 1.2g/cc. Determine molality of…

A: Relationship between %by mass and molality m=%by weight×1000/Molar mass of NaOH×(100−%by weight)…

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

A: The given redox reaction is as follows: F- + SnO32-  → F2 + SnO22- A redox reaction is balanced by…

Q: Draw an electron pushing mechanism for proline racemization. Draw a reaction coordinate diagram of…

A:

Q: What is the chemical function of the H2O2 in synthesis of pentamminechlorocobalt (III) Chloride and…

A: Normally CO(II) salts are more stable than CO(III),Some CO(III) are stable with proper ligands. Co…

Q: Use RSA, including disconnections, synthons and synthetic equivalents to show how to prepare the…

A: Detail synthetic scheme is shown below

Q: The graph below shows how the solubilities of various substances respond to changes in temperature.…

A: Saturated solution is that solution which has maximum amount of salt dissolved in it.

Q: What is the percent ionization of 0.40 M butyric acid (HC4H7O2)? (Ka = 1.48 × 10–5.)

A:

Q: Which symbols would complete this nuclear equation? 208 Po→204 Pb + ? 84 82 Check all that apply. •…

A:

Q: The energy of a photon is directly proportional to its

A:

Q: A certain microwave oven produce microwave with x wavelength at 2.50 mm, if 20.0 moles of photons…

A: Given :- no.of moles of photons = 20.0 mol  Wavelength of microwave = 2.50 mm  To calculate :-…

Q: 5) Provide systematic name for the following benzene analogs and other aromatic compounds. HO. OMe…

A: The systematic name is the preferred way to name a chemical compound. Systematic name is also called…

Q: 2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2*, and the…

A:

Q: Write the pressure equilibrium constant expression for this reaction. Ti(s)+2 Cl,(g)→TICL,(1)

A:

Q: What kind of electromagnetic waves can cause damage to living cells? Medium wavelengths None of…

A: Given electromagnetic waves: Medium wavelengths Long wavelengths Short wavelengths We have to find…

Q: a). [HO*| and [OH] b). pH 6. Calculate the volume of 0.025 M HCIO4 solution that would just…

A: Given :  6.  Concentration of HClO4 = 0.025 M  Concentration of Ba(OH)2 = 0.0100 M  Volume of…

Q: How is the pH scale of acidity/basicity described?     It's a vector function of the [H+]. It's a…

A:

Q: 0Which pair of the cyclic ions is "anti-romatic"? c 2) D. E a) A and D (b) B and C 2 Which two…

A: When the organic species contains 4n (n=1,2,3,...) number of π electrons then it is called…

Q: he standard entropy change fo

A:

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

A:

Q: 4. 20.0 mL of 0.200 M CH3COOH is titrated with 0.100 M NaOH. a) What volume of NaOH is necessary to…

A: Given-> Volume of CH3COOH = 20.0 ml Molarity of CH3COOH = 0.200 M Molarity of NaOH = 0.100 M

Q: Given the FTIR Spectra picture, match the following bands to its corresponding interpretation.…

A: FT-IR streching depends on the strength and polarity of the bonds, More strong and polar is the bond…

Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 × 1010 years. What is the…

A: Radioactive decay reactions follow first order kinetics.

Q: linear reaction-time graph represents a:       Group of answer choices   1.Zero-order reaction…

A: The correct answer about reaction kinetics is given below

Q: There are 1.2 x 1024 atoms of carbon in a sample of aluminum acetate, Al(C,H;O2)3. How many moles of…

A:

Q: What mass of KBr(s) would you add to make 100.00 map of 2.00 M KBr(aq) solution?

A: Given-> Volume = 100.00 ml = 0.100 L (1L = 1000 ml) Molarity = 2.00 M I think there is 100.00 ml…

Q: What is the purpose of a buffer?     To ensure that pH + pOH always equals 14. To ensure that pH +…

A: We have to predict the purpose of buffer solution.

Q: Particles of solid liquid gas -Energy and movement of particles in solid liquid gas -Spaces between…

A: States of matter.

Q: the spectroscopic data for HCl to determine the following. 2989.74 cm-1 You are correct Ke= 52 cm…

A:

Q: Reagent S reflux OH b) HO(CH2CH, + PCI, Compound N c) OH Reagent P room temperature of

A: Reagent S= Aqueous KOH Compound N= 1-chlorohexane Reagent P= SOCl2, pyridine

Q: In the standardization of HCl using pure anhydrous sodium carbonate as primary standard for methyl…

A: Given :  Volume of HCl = 1.0 ml  Mass of Na2CO3 = 0.05 g  Molar weight of Na2CO3 = 106

Q: 9. (a) Provide the reagent necessary to carry out the following chemical transformations. (i)

A: Here we have predict the suitable reagents required for the following given conversion .

Q: Question 3- Pharmaceutical Calculations. A. If you know that sodium bicarbonate has a solubility of…

A:

Q: How many millimoles of NaCl are present in 150 mL of a 4M solution?

A:

Q: Use the information given below for the purpose of calculating the missing quantities, assuming that…

A: Absorbance = 2 - log (%T) Also, Absorbance = Molar extinction coefficient (E) * C (mol/L) * b (cm)

Q: (v) At what pH would the given concentrations of Ce3, Ce*, Mn2*, and MnO4 to be in Activ Go to…

A: Given as  The solution contains 0.100 M Ce3+; 1.00*10-1 M Ce4+; 1.00*10-4M Mn2+; 0.100 M MnO4- and…

Q: •Example: A 0.040 M solution of an acid, HA, has a pH of 3.02 at 25 °C. What is the pK, for this…

A: Given that,  Concentration of acid, HA (C) = 0.040 M  pH of acid = 3.02  We need to find the pKa…

Q: Solid iodine, I2(s), has an enthalpy of sublimation AHsubl = 62.4 kJ mol1. Suppose 2.61 g of iodine…

A:

Q: A 5.00 g sample of impure Ag,0 (MM=231.739 g/mol) is decomposed at 300°C to yield metallic silver…

A:

Q: PARTICLES ENERGY AND MOVEMENT OF PARTICLES SPACES BETWEEN PARTICLES ATTRACTIVE FORCES BETWEEN…

A:

Q: A two-liter sample of mineral water was evaporated to a small volume, following which the potassium…

A:

Q: Given that you have 10% solution of methyl parahydroxybenzoate and you use 0,1% how many grams of…

A: Given, 10 % solution of methyl parahydroxybenzoate  Used : 0.1 %   Required,                   Grams…

Q: 1.5 moles of Nesfruta Dalandan are added to a container having 2 liters of water on a nice day at 25…

A: Given that -  Moles of Nesfruta Dalandan = 1.5 mol  Volume of water = 2 L =2000 mL Temperature =…

Q: mass

A:

Q: do the Fuctions go through 7) (R)2-bromopentane reacts With CH3 OH at raom temperature 2)…

A:

Q: 9) Write the mechanism for the formation of the major product for the free radical bromination of…

A: 0

Q: OCH3 Smmo(ExG ess It OCH3

A: GIVEN:-   THIS IS AN ELECTROPHILIC SUBSTITUTION REACTION.