The lowest temperature multiple of 2 C at which the oil is observed to flow after cooled at prescribed conditions is called pour point. expressed in * O True O False
Q: 5. Rank the following molecules in order of increasing acidity of the most acidic proton in each.…
A:
Q: Matching type: What type of organic compound? 6) CH3CH₂CH=CH₂ 7) O || CH3-C- CH3 8) CH3OH 9) O…
A:
Q: Question 5 Consider the following reaction at equilibrium: C(s) + H₂O(g) = CO(g) + H₂(g) If more…
A: Given -> C(s) + H2O(g) <------> CO(g) + H2(g) ∆H = 131.3 KJ
Q: A 15.08 g piece of Mg is placed in a container containing 1.0 L of 3.0 M HCI (aqueous). Calculate…
A:
Q: A formula that shows the arrangement of all bonds in a molecule is called a(n) A) molecular formula.…
A: A chemical formula indicates the atoms in a molecule. It shoes the arrangement, number and type of…
Q: The following information is given for benzene, C6H6, at 1atm: AHvap(80.1 °C) = 30.7 kJ/mol boiling…
A:
Q: How many molecules are contained in 38.33 grams if NO2? First determine the molar mass of NO2. Can…
A: Given, Mass of NO2 = 38.33 g Atomic mass of N = 14.0067 g/mol Atomic mass of O = 15.999 g/mol NA…
Q: type(s) of intermolecular forces are expected between CH3CH₂NH2 molecules? H H tr H H H H Indicate…
A: Intermolecular interaction between molecules is depends upon structure and polarity of of the…
Q: What kind of orbital and with how many nodal planes is shown in the picture below? a.…
A: According to the molecular orbital theory the atomic orbitals combine to form molecular orbitals.…
Q: What is the maximum mass of S, that can be produced by combining 90.0 g of each reactant? 8 SO₂ + 16…
A: In this reaction, 8 mole sulfur dioxide react with 16 mole hydrogen sulfide to form 3 mole S8 and 16…
Q: 3. What are the number densities of U-235 and U-238 in 10.4 g/cc UO₂ fuel if the fuel is power…
A: Given: Density of Uranium oxide (UO2) =10.4 g cm-3 Fuel enrichment (ωi) = 3.4573…
Q: How could spectroscopy be used to support that the below reaction occurred? Choose all that apply.…
A: IR spectroscopy is Infrared spectroscopy. It is used to study and identify chemical compounds/…
Q: ose a small sample of pure X is held at 177. °C and 4.5 atm. will be the state of the sample? ose…
A:
Q: number of student in the classroom, exact or inexact number
A: We know that are the numbers which give the accurate value of the quantity , whereas the inexact…
Q: If 28.8 g of O₂ is required to inflate a balloon to a certain size at 32.0 °C, what mass of O₂ is…
A: Given, Mass of O2, w1 = 28.8 g Initial temperature, T1 = 32 °C Final temperature, T2 = 9 °C
Q: What volume of hydrogen gas is produced when 45.3 g of iron reacts completely according to the…
A:
Q: Draw the structural condensed formula of heptane from the condensed formula (shown below).…
A: The condensed structural formula is the structure in which every carbon is individually represented…
Q: Draw a molecular level picture which illustrates that what happens as the approaching atoms begin to…
A: We have to Draw a molecular level picture which illustrates that what happens as the approaching…
Q: (b) In a reaction A+B Product, if concentration of A is doubled the reaction rate doubles but if the…
A:
Q: A 1.99 mol sample of N₂ gas is confined in a 48.2 liter container at 22.1 °C. If the amount of gas…
A:
Q: Density is an intensive physical property. Look-up the meaning of an intensive property of matter…
A: Intensive properties — Those properties of substance which doesn't depend on mass and volume of…
Q: Substance X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the…
A: To plot the temperature versus heat graph for the compound X starting from the temperature of -50 °C…
Q: Perfluorooctanoic acid (PFOA, C8HF15O2) has been raising concerns due to its presence in the…
A:
Q: 3. Boron (B; Z=5) has two naturally occurring isotopes. Find the percent abundances of ¹0B and ¹1B…
A:
Q: a. Compute the value of kT (in Joules) at 25°C.
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: What type(s) of intermolecular forces are expected between NOBr molecules? ball & stick - + labels…
A: we have to determine the intermolecular forces present in NOBr molecule
Q: skip if you already did this otherwise downvote
A:
Q: 1.Were the fatty acid propyl esters (biodiesel) formed in this reaction more or less polar than…
A:
Q: 3. How many electrons does the aromatic # system? TT 4. Ö: N-Phenylsydnone, so-nam Sydney,…
A: Given compound is purine.it contain four nitrogen atoms. These nitrogen atoms are represented by…
Q: A chemist is trying to identify an unknown metal, and finds that 25.0 cm³ of the substance has a…
A: Answer: Relation between Mass, volume and density of a substance is: d=MV
Q: The molar mass (to two decimal places) for Fe2(CO3)3 is ______________ g/mol.
A: Molar mass is mass of 1 Mole a substance.
Q: B. Name the following organic compounds: 16. 17. 18.
A: Kindly repost 19 & 20
Q: At -11.5 °C, a common temperature for household freezers, what is the maximum mass of sucralose…
A: Here the maximum depression of freezing point could be -11.5 oC, so we need to add the amount of…
Q: An atom has 13 protons, 12 neutrons, and 11 electrons. Is this atom positively charged, negatively…
A: Here we are required to find the charge over the atom.
Q: COO + 1 H₂N-C-H ساد O گیا۔ ی =0
A: formal charge is charge on the atom in an ion as it has more or less electrons than it normally…
Q: 18 A selenium atom has a 2- charge. Which best describes the selenium atom? A. 34 protons, 32…
A: Selenium is an element having atomic number 34. This means in a neutral Se atom, there are 34…
Q: B. Name the following organic compounds: 11.) 12. 13. 14 Br. Br 15.) CI Br CI
A:
Q: Sulfate (SO2) is typically determined by dissolving in H₂O followed by precipitation as BaSO4 via…
A:
Q: 1. Consider the following food label Serving Size 2tsp (5g) Serving per container about 5 Amount per…
A: To answer questions about the given food label.
Q: a. Account for this fact: Although methanol (CH3OH) (bp, 64.7 °C) has a higher molar mass than water…
A: Solving the following 2 objective questions : Hydrogen bonding - occurs in the molecules where H is…
Q: f. 1.00 mL of 0.175M NaOH diluted to 375 mL (M₁V1 = M2V2) g. 5.00 x 10-³ M Ba(OH)2 solution h. 2.055…
A: f) Given, Initially M1 = 0.175 M V1 = 1.00 mL Later (after dilution) M2 = ? V2 = 375 mL First we…
Q: A prospector wants to know how much gold is in the ore that he has been mining. A sample weighing…
A: Mass of the gold sample taken for analysis = 11.2456 g 11.2456 g is diluted to 200.00 mL to form…
Q: a. Solutions of cesium phosphate and silver nitrate are mixed. b. Barium metal is added to water. c.…
A: Double displacement reactions: The reactions where both the reactive species exchange their anionic…
Q: This is normally prepared by increasing the temperature of the solvent to allow the dissolution of…
A: This is normally prepared by increasing the temperature of the solvent to allow the dissolution of…
Q: Draw the product of the given reaction sequence. O NaOCH3, CH₂OH A
A: To draw the product of the given reaction sequence.
Q: 2. Find the pH for the following solutions if it contains: a.) 1.8 x 10-6 M Barium hydroxide b.)…
A:
Q: What distance in miles can you drive in your new Prius hybrid, if your car gets 48.0 miles per…
A: We would use the given car average and volume of gas to calculate the distance.
Q: Molybdenum has a BCC crystal structure, an atomic radius of 0.1363 nm, and an atomic weight of…
A:
Q: Describe the cyclization reaction for pyranoses & furanoses: why it occurs, how it creates two…
A:
Q: Question 4 A hydrocarbon A) hydrogen and oxygen. B) carbon and oxygen. C) carbon and hydrogen. D)…
A: In hydrocarbon the carbon atoms join together to form the framework of the compound, and the…
Step by step
Solved in 2 steps
- What is AG for the decomposition of CaCO3 at 298 K and a partial pressure of CO2 of 4.00x10-4 bar? CaCO3(s) → CaO(s) + CO2(g) AGrxn (298 K, Pco2 = 0.400 mbar) = ??? CO2(g) Compound AG°; (kJ mol·1) CACO3(s) СаО(s) -1129 -604 -3943-28 A 1.8-m3 rigid tank contains steam at 220°C. One-third of the volume is in the liquid phase and the rest is in the vapor form. Determine (a) the pressure of the steam, (b) the quality of the saturated mixture, and (c) the density of the mixture. Value (5/30) Steam 1.8 m 220°C5:50 1 4 7 +/- Calculate AS° for Substance C (g) H₂ (g) CH4 (9) Question 14 of 15 C(g) + 2 H₂(g) → CH₂(g). 2 5 8 . | J/mol K ● 3 60 9 O ..5G Tap here or pull up for additional resources Submit XU x 100
- Carbon tetrachloride melts at 250 K. The vapor pressure of the liquid is 10539 Pa at 290 K and 74518 Pa at 340 K. The vapor pressure of the solid is 270 Pa at 232 K and 1092 Pa at 250 K. (a) Calculate AHvaporization and AHsublimation. (b) Calculate AHfusion.If you apply the Gibbs-Duhem equation to an ideal 2 component solution, which of the following expressions can you derive (which expression is correct for an ideal 2 component system)? Hint: the chemical potential for an ideal solution is defined as 4 = u, + RT In aj. In z O P () dz=-P; ( dzz aln a ata P O P: () dzi = -P; () daa -) dri = -r2 a In P 8 In P dz2 dri = -22 O Pi dz; = -P ( dzy 8 in P a In P OR () dz = -P () dz z7A A mass m of a perfect gas [C=0.815 KJ/Kg K , cp=1.42 KJ/Kg K] is compressed from 0.85 m' and 105 N/m2 to volume 0. 034 m and pressure 3.0x10 N/m2 the temperature is reduced by AT = 100 K. the gas constant r in kJ/kgK. is
- Ammonia (considered to be ideal gas, 1 mole) initially at 25 degree C and 1 bar pressure is heated at constant pressure until the volume has tripled.Use CP = 25.895 + 32.999 x 10^– 3 T – 30.46 x 10^– 7 T2 , J/mole-KCalculate: a) Q b) W c) delta H3. Fe and FeQ are in equilibrium with gas mixture of composition 71.8% CO-28.2%CO2 at 1273K. Which of the two solid phases disappears if the composition of the gas is held constant and temperature of the system is increased? Fe(s)+1/2O2(g)=FeO(s) AG=-2 0=-263700+64.35T ammmm C(s)+O2 (g)= CO2(g) AG=-394100-0.84T C(s) + 1/2O2 (g) = CO AG=-111700-87.65Tpneumonia is characterized by fever (a body temperature) does the patient have a body temperturr that indicates that he has pneumonia? justify your answer with suitable caculations.
- A mixture of isobutylene ((CH3)2CCH2, 0.400 bar partial pressure) and HCI (0.600 bar partial pressure) is heated at 500.0 K. The equilibrium constant K for the gas-phase thermal decomposition of tert-butyl chloride ((CH3)3CCI) is 3.45 at 500.0 K. (CH3);CCI(g) = (CH3),CCH2(g) + HCI(g) Based on your ICE table, set up the expression for K for the decomposition of (CH3);CCI. (CH3);CCI(g) = (CH3)2CCH2(g) + HCI(g) 1 Do not combine or simplify terms. K = 3.45 5 RESET (P(CH);CCH;) (P(CH,);CCH,)? (PHCI) (Рнс) (P(CH,),cCi) (P(CH,),CCI)? 2(Рнс) 2(P(CH3),CCH;) 2(P(CH,),CCI) 2(P(CH,),CCI)? 2(Рнс)? 2(P(CH3),C=CH,)?C. DETERMINATION Mass of empty calorimeter cups Mass of calorimeter cups - H₂O Mass of water Mass of anhydrous MgSO (s) Moles of anhydrous MgSO (s) Calculations: Temperature Readings, 'C Initial (0) ½ minute 1 minute 1½ minutes 2 minutes 3 minutes 4 minutes 4½ minutes OF MOLAR HEAT OF SOLVATION 4.603 43.910 34.241 8 2.009 0.017 mol 5 minutes 5½ minutes 6 minutes 6½ minutes 7 minutes 7½ minutes 8 minutes 8½ minutes 9 minutes 20.60⁰°C 20.60°C 20.60°C 20.60°C 20.60°C Add MgSO, to water 25.50°C 25.90°C 26.00° C 26-10° C 26.20° C 26.30° C 26.30°C 26.30°C 26.30° C 26-30°C 26.30°C(ii) Explain the reasoning for using compromise temperature and pressure in industrial processes