Q: Iron and water react to form iron(III) oxide and hydrogen, like this: 2Fe(s)+3 H2O(g) - Fe2O3 (s)+ 3...
A:
Q: 2. What is the morality of a 60.5% by mass of nitric acid (HNO3) solution?
A:
Q: Iron crystallizes in the body-centered cubic lattice. What is the coordination number for Fe? Multip...
A:
Q: A 0.100 g of Sodium acetate was dissolved in 50 mL D.I water and titrated with 0.055 M HCl. Calculat...
A: Mass of sodium acetate dissolved = 0.100 g Volume of sodium acetate solution = 50 mL Molarity of HCl...
Q: Classification: Reaction: Enzyme:
A: Drug: Acetaminophen sulphate Paracetamol sulfate is an aryl sulfate. It is paracetamol in...
Q: what is the advantage of four-quadrant streaking method
A: what is the advantage of four-quadrant streaking method
Q: Scientific Notation 1. (4.1 × 104) ÷ (1.28 × 10−5) 2. (8.8 × 102) (2.25 × 10−2) 1. How many l...
A: During multiplication or divide of terms in scientific notation , exponents are solved seperately. ...
Q: Using the systematic method, determine the molar solubility of AgBr(s) in a) water b) 0.15 M NaBr c)...
A: Here we have to determine the solubility of AgBr at different conditions i.e a) in pure water b) 0.1...
Q: Nitric oxide reacts reversibly with chlorine in the following manner: 2NO(g) + Cl2(g) = 2NOCl (g). T...
A: Given reaction, 2NO(g) + Cl2(g) = 2NOCl (g) Kc=6.5 x 104
Q: A balance would always read 0.6 grams when nothing is on it and has a resolution of 0.05 grams. if ...
A:
Q: heat
A:
Q: Give the number of peaks that will show up in 1H NMR spectrum
A:
Q: Does a reaction occur when aqueous solutions of cobalt(II) sulfate and ammonium phosphate are combin...
A:
Q: b.) a 4f electrons in Ce, Pr and Nd. There is a
A: a) a 2p electron in O2-,F-,Na+and Mg2+ Actually Zα1size i.e. if size increases then Z* decreases. N...
Q: 2. An experiment was carried out to determine the enthalpy change of combustion of propan-1-ol. The ...
A: We have been given to perform the combustion reaction of propan-1-ol and to study the enthalpy chang...
Q: Given below is the IR spectra for 3,4-dimethyl-1- hexene : 100 80 A 60 40 20 Question: What is "unac...
A: The band maximum is about at 2900 cm-1 which is not acceptable . This problem can arise due to the e...
Q: A chemist dissolves 13.5 g of NaCl in enough water to make a 2500 mL solution. Calculate the molarit...
A: Given, Mass of NaCl = 13.5 g Note: 1000 mL = 1 L Volume of the solution = 2500 mL = 2.5 L Molarity ...
Q: How does organic chemistry contribute in the field of radiography.
A: Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-...
Q: In the given reactions below, identify the the Lewis Acids and the Lewis Bases. ÇI CH, (с) сн, с CH3...
A:
Q: According to the following reaction: CO (g) + H2O (l) CO2 (g) + H2 (g) What would you multiply "...
A:
Q: How many grams of the following oxidizing substances constitute the gram milliequivalent weight in e...
A:
Q: Acid and Base Characteristics Substance A Substance B Substance C Substance D Sour taste Bitter tast...
A: Characteristics of acids and bases are such that they changes the colour of litmus paper.
Q: If iodine is added to distilled water, the resulting mixture/solution will be what color? Questio...
A: Given, Iodine is added to distilled water Required, The color the resulting ...
Q: 5. The pOH of a solution, which is 0.5F with respect to a weak monoprotic acid is 9.2. calculate the...
A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...
Q: A standardized iodine solution is used to titrate hydrazine sulfate in a sodium bicarbonate- buffere...
A: This question is from redox titration where we apply the concept of equivalence to find the Molarity...
Q: Which one of the following statements is false? O Carbon tetrachloride, CC14, is more miscible with ...
A: Stantement1- , correct, the CCL4 is a non polar solute and it more soluble in non polar solvent like...
Q: Reset Drawing :0 : : C4
A: We have been asked to show the curved arrow notation when OH- attacking acid.
Q: Classification/Reaction/Enzyme Classification: Reaction: Enzyme:
A: Drug: Carbamazepine Metabolite: Trans 10,11 dihydroxy carbamazepine Classification: anticonvulsants ...
Q: ch molecular orbital (
A:
Q: Phosphorous pentachloride decomposes according to the reaction PCl5(g)↽−−⇀PCl3(g)+Cl2(g)PCl5(g)↽−...
A:
Q: percent composition
A:
Q: Balance the reactions; identify the oxidation and reduction reaction;B and identify the oxidizing ag...
A:
Q: 1- Calculate the mass of NaOH which is required to prepare 0.1 M in 250 cm3 aqueous solution (molar ...
A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...
Q: moles of carbon dioxide could be produced it CeH18 + 2502 → 16CO2 + 18H2O
A: In this question we have to calculate the amount of moles of carbon dioxide could be produced if 10 ...
Q: A 70.0 gram metal bar is heated to 256 celsius then submerged into a well insulated calorimeter whic...
A: Given mass of metal bar Mb = 70g Mass of water Mw = 50g Complete solution is given below in next s...
Q: What is the line structure for Cyclopentylcyclopentane and trans-4-Isobutylcyclohexanol
A:
Q: In the laboratory, a general chemistry student measured the pH of a 0.474 M aqueous solution of phen...
A:
Q: For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 9.5 moles of meth...
A:
Q: Question 1: Based on your study of the out of plane area, determine the appropriate spectrum for eac...
A: Here is your answer,
Q: 5. Determine the bond enthalpy of the O-0 for the reaction below if AH -2800 kJ/mol %3D H H 2 H-C-C-...
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any ...
Q: What is the osmotic pressure (in atm) of a 0.015 M calcium chloride solution at 28 °C? O 0.4 O 0.7 O...
A: Given, Concentration of calcium chloride solution (C) = 0.015 M = 0.015 mol/L Temperature (T) = 28°C...
Q: Solve both otherwise leave
A: Lowest energy conformation are those conformation which having bulky group opposite or staggered to ...
Q: The reaction H2 + I2 = 2HI follows the rate law rate = K[H2][I2] The rate constant for this reactio...
A:
Q: Given the values of ΔH and ΔS, which of the following changes will be spontaneous at constant T and ...
A: Given : ΔH = 125 kJ ΔS = 15.0 J/K T = 300. K
Q: EQUILIBRIUM CONCENTRATIONS [Fe+]equ, (M) [SCN Jequ, (M) Sample Unrounded Rounded Unrounded Rounded A...
A: Initial concentration of Fe3+ = 0.00150 M Initial concentration of SCN- = 0.00150 M Total volume of ...
Q: To 1 cm of dilute sulphuric acid in a test tube add 3 X is colourless addition of dichromate (VI)and...
A: The test uses dilute sulfuric acid, potassium dichromate (VI) and an organic compound.
Q: ADDITIONAL INFORMATION. PLEASE 2 AND 3. Please show the balance equation and identify which reaction...
A: Oxidising agent are the species which oxidises other species and reduces itself while reducing agent...
Q: 2. An experiment was carried out to determine the enthalpy change of combustion of propan-1-ol. The ...
A: Answer 1 : The balanced chemical reaction is C3H7OH + 9/2 02 -----------> 3CO2 + 4H₂O Or i...
Q: Steps in mostly used in the content area you are assigned. Scientific method is a systematic process...
A: Ans. Steps in Scientific Method mostly used in the area of Chemistry: When conducting research, scie...
Q: EQUILIBRIUM CONSTANT K Sample Unrounded Rounded
A: On dilution concentration changes but no of moles remain same. Sample A Fe^3+ Initial concentration ...
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- (a) If the molar solubility of YF, at 25 °C is 4.23e-06 mol/L, what is the Kep at this temperature? Ksp (b) It is found that 5.73e-05 g of Znj(AsO4)2 dissolves per 100 mL of aqueous solution at 25 °C. Calculate the solubility product constant for Zn (ASO4)2- Kap- (c) The Kap of ZnCO, at 25 °C is 1.46e-10. What is the molar solubility of ZnCO₂? solubility mol/L1.4 4 (a) Calculate the value of Kc for the reaction: PC13 (g) + Cl₂ (8) PC15 (8) Given that when 8.4 mol of PC15 (g) AH = Positive Kc = is mixed with 1.8 mol of PC13 (g) and allowed to come to equilibrium in a 10 dm³ container the amount of PC1, at equilibrium is 7.2 mol. ¹5 (g) (b) Explain the effect of the following changes below on the value of Kc: (i) Increasing temperature (ii) Lowering the concentration of chlorine (C1₂) (iii) Addition of a catalystOWLV2 | Online teaching and I X + ow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take K [Review Topica] [References] ts (M) Use the References to access important values if needed for this question. M) The equilibrium constant, K„, for the following reaction is 2.74 at 1.15×10³K. M) 2SO3(g) 2SO2(g) + O2(g) M If an equilibrium mixture of the three gases in a 13.7 L container at 1.15×10°K contains S0z at a pressure of 1.17 atm and atm. SO2 at a pressure of 1.47 atm, the equilibrium partial pressure of O2 is
- 4.) For the following equilibrium reaction state what happens when the following reagents are added NaOH(aq) + HСІ(ад) + НОН(аq) + NaCI(aq)+д a.) Mg(ОН)2 b.) КCІ с.) KBr d.) Heat (A) e.) CH;CH,COH (an acid) f.) decrease in temp.agy-m ince Mo atalyst- is catal aw (sin tion of di of gas tv int fors of Co₂ find s :3 S PM" marin what! @ 259 -075 10) The following reaction is known as the Fischer Esterification. The equilibrium constant is 1.0. سال H3C H = + CH₂OH H3C CH3 methylacetate + H₂O a) Write the equilibrium equation for this reaction. However, keep H₂O in the equation. b) With an equilibrium constant of 1.0, what is the maximum yield of the methylacetate product? c) Describe how using Le Chatelier's principle one can increase the yield of the reaction by removing water. 83) One of the main buffer systems found in living organisms is the phosphate buffer system, often used in biological research to mimic cellular conditions. The phosphate equilibrium reactions and their corresponding pKa's are as follows: H3PO4 = H* + H2PO, H2PO, = H+ + HPO?- HPO- = H+ + PO;- pKa1 pКаz —D 7.21 = 12.44 = 2.12 pKa3 (a) Given the above chemical reaction, write out the expression for K, of the buffer system which would predominate at neutral pH conditions. Justify your choice. (b) The human body, and many other lifeforms, prefer an internal pH of 7.2 to maintain homeostasis. However, some more acid-tolerant or basic-tolerant organisms can survive (and sometimes thrive) within different ranges of pH. Calculate the mass and moles of the correct acid and corresponding conjugate base solid (assume you have sodium salts of each base: NaH,PO4, Na,HPO4, and Na PO,) which are needed to make 500 mL of a 0.5 M buffer solution (0.5 M total, including the concentration of acid and base…
- 2. Calculate AH° and ASº for the following reaction, and AG° at 959 K. (-- otal) 3 Fes 5 O2 1 Fe3О4 3 SO2 + A¢H°(kJ/mol) = -100 -1118 -297 S°(kJ/mol·K) = 0.0603 0.205 0.146 0.248 ΔΗ- AS° = AG° =23. What is the correct form of the equilibrium constant Kc for the reverse reaction: N₂(g) + 3 H₂(g) = 2 NH3(g)? (A) Kc = [N₂][H₂]³ (B) Kc (C) Kc (D) Kc = (E) Kc = = 3 = 2[NH3] [N₂] + 3[H₂] [N₂] + 3[H₂] 2[NH3] 2 [NH3]² [N₂][H₂]³ 3 [N₂] [H₂]³ [NH3]²A My Homex Activity O Dashboard x O (123) Ne Alabame G is hbr ac Assignment/takeCovalentActivity.do?locator-assignment-take 身 引ロ (Review Topics] (References) Use the References to access important values if needed for this question. The equilibrium constant, K, for the following reaction is 0.497 at 500K. PCI5(g) =PCI3(g) + Cl2(g) If an equilibrium mixture of the three gases in a 14.9 L container at 500K contains PCI, at a pressure of atm. 0.339 atm and PCI3 at a pressure of 0.286 atm, the equilibrium partial pressure of Cl, is Submit Answer Retry Entire Group 1 more group attempt remaining Previous Next ENG 令 口 US 5/5/2 End Insert 31 Home & 9. R T Y
- Consider the following equation: 2SO2(g)+O2(g)=2SO3(g). At 700 0C, a 500mL reaction vessel contains 1.20*10-3 mol of SO2, 5.0*10-4 mol of O2 and 1.0*10-4 mol of SO3. (a) If Kc is 1.7*106 at 700 0C, will the reaction favor the formation of more products or reactants? (b) what are the equlibrium concentrations of the products and reactants?ACL (ap) LCOCly]3 = 8.11 X 104 M- Fimal concuntration at 0.04HM %3D zequilibrium concuntrahon Use the ICE tables to Calculate the equilibrium Concentrations [CO(H90)Ja and a and CT. 2+ ☆ Assume the înitial concuntxation d LCo( HgO) is 0050M and C is o iooM. ☆ Use the equilibrium concentration el CoCl, above. of given tHoe your eguilibrium comcniYations to calculate Comstant at alt tempunatvus.1.4 4 (a) Calculate the value of Kc for the reaction: PC15 (8) PC13 (g) + Cl2 (g) AH = Positive Given that when 8.4 mol of PC15 (g): is mixed with 1.8 mol of PC13 (g) and allowed to come to equilibrium in a 10 dm³ container the amount of PC15 (g) at equilibrium is 7.2 mol. Kc = (b) Explain the effect of the following changes below on the value of Kc: (i) Increasing temperature (ii) Lowering the concentration of chlorine (C1₂) (iii) Addition of a catalyst