Chemistry concepts and calculations

please show work- These are the answers I got. Am I correct? What volume of oxyg

please show work- These are the answers I got. Am I correct? What volume of oxygen gas reacts with 5.00 mL of methane, CH4? (Assume temperature and pressure remain constant.) (2 P…

please show work. thank you PROBLEMS 1.1 A sample of polystyrene is found to hav

please show work. thank you PROBLEMS 1.1 A sample of polystyrene is found to have a number-average molar mass of 89,440 g mol^-1. Neglecting contributions from end groups, calcula…

please show work. thank you! 27. The ionization constant of water at a temperatu

please show work. thank you! 27. The ionization constant of water at a temperature 20°C is 6.807 × 10-15 what is the pH of pure water at this temperature? (3 pt) mtle2 28. A 0.015…

please show working thank you 47/ of the following, a 0.10M aqueous solution of

please show working thank you 47/ of the following, a 0.10M aqueous solution of __________ will have the highest boiling point. A/ NACL B/ AL(NO3)3 C/ K2CrO4 D/ Na2SO4 48/ Nitroge…

please show your work Problem 2: consider the following code segment in MIPS 24

please show your work Problem 2: consider the following code segment in MIPS 24 points add $t3, St1, St2 Sub St3, $t1, St2. beq $S3, SS5, Load lw $t4, 8($t0) add $t5, $17, $t6 Loa…

please show your work and explain how you got the answer in detail. Note- for th

please show your work and explain how you got the answer in detail. Note- for the 2nd question the answer is not 0.56 M University Science Books presented by Sapling Learni onald …

please show your work. A railroad car is used to transport compressed oxygen gas

please show your work. A railroad car is used to transport compressed oxygen gas from Canada to Mexico city. The ten thousand liter tank is rated to withstand an internal pressure…

please solve #7 & #10 7. Write a sentence that describes how to determine the nu

please solve #7 & #10 7. Write a sentence that describes how to determine the number of moles of a compound in a known mass of the compound if we know its molecular formula. 8…

please solve ASAP I need the final answer Nov. 20, Nov. 20, 2014 SWIAC Page 5 Wh

please solve ASAP I need the final answer Nov. 20, Nov. 20, 2014 SWIAC Page 5 Which of the following is the best Lewis structure for formic acid, HcooH? C-O-H B. H C O-H O-H D. H …

please solve ASAP need the final answer Pag Choose the correct electron configur

please solve ASAP need the final answer Pag Choose the correct electron configuration for Br A. 1s22s22po3s23p B. 1s22s22p63s23p64s23d5 c. 1s22s22p63s23p64s24p63ds D. 1s22s22p63s2…

please solve Nitrogen and oxygen react to form nitrogen monoxide, like this N2 (

please solve Nitrogen and oxygen react to form nitrogen monoxide, like this N2 (a) +0,(9)2NO (9) The reaction is endothermic Suppose a mixture of N2.O2 and NO has come to equilibr…

please solve all parts, if you cant then please dont solve it, also highlight th

please solve all parts, if you cant then please dont solve it, also highlight the answer with suitable unit itc as are b capacitor 2 capacitor 3, and d) capacitor 4? If bath s c T…

please solve all these questions with showing the work 6. Determine AGo for the

please solve all these questions with showing the work 6. Determine AGo for the following reaction according to given data: CH4(g) 202(g) CO2 (g) 2H2O(l Substance AG, (kJ/mo CHA(g…

please solve all these questions with showing the work For the reaction 2SO2(g)

please solve all these questions with showing the work For the reaction 2SO2(g) + O2(g) rightarrow 2SO3(g), delta H degree and delta S degree are both negative at 298 K, and the p…

please solve and show calculations in the following reaction, what is oxidized a

please solve and show calculations in the following reaction, what is oxidized and what is reduced? also include the change in oxidation numbers for what is oxidized and what is r…

please solve and show calculations in the following reaction, what is oxidized a

please solve and show calculations in the following reaction, what is oxidized and what is reduced? also include the change in oxidation numbers for what is oxidized and what is r…

please solve ans show work Constants for mercury at 1 atm heat capacity of Hg( 2

please solve ans show work Constants for mercury at 1 atm heat capacity of Hg( 28.0 J/(mol K) melting point enthalpy of fusion Calculate the heat energy released when 21.9 g of li…

please solve asap suppose a 250ml flask is filled with 1.5 mol of co, 1.4 mol of

please solve asap suppose a 250ml flask is filled with 1.5 mol of co, 1.4 mol of h2O. and 0.80 mol of co2. the following reaction is possible co(g)+ H2O(g)->co2(g)+H2(g) equili…

please solve only b and c UNIVERSITY OF NEW HAVEN Fall 2014 Introduction to Mode

please solve only b and c UNIVERSITY OF NEW HAVEN Fall 2014 Introduction to Modeling of Engineering Systems EASC 2211 Final Exam 3. (11%) The system below is used to make methanol…

please solve part B.... The formation of organic compounds by the reaction of ir

please solve part B.... The formation of organic compounds by the reaction of iron (II) sulfide and carbonic acid is described by the following chemical equation 2FeS+H2CO3=2FeO+(…

please solve part B.... The formation of organic compounds by the reaction of ir

please solve part B.... The formation of organic compounds by the reaction of iron (II) sulfide and carbonic acid is described by the following chemical equation 2FeS+H2CO3=2FeO+(…

please solve step by step t Percent lonization A certain weak acid, HA, has a Ka

please solve step by step t Percent lonization A certain weak acid, HA, has a Ka value of 1.5x10- Percent ionization can be used to quantify the extent of ionization of an acid in…

please solve the following , thank you. Acetylene torches are used for welding.

please solve the following , thank you. Acetylene torches are used for welding. These torches use a mixture of acetylene gas, C_2 H_2, and oxygen gas, O_2 to produce the following…

please solve the following , thank you. Calorimetry is a method used to measure

please solve the following , thank you. Calorimetry is a method used to measure changes in enthalpy, or heat that occur during chemical processes. Two common calorimeters are cons…

please solve the following ASAP please solve the following ASAP Arrange the prog

please solve the following ASAP please solve the following ASAP Arrange the programming languages in the order of increasing execution speed, from the slowest to the fastest. Pyth…

please solve these four problems. thanks What is the concentration of Ag+ if pAg

please solve these four problems. thanks What is the concentration of Ag+ if pAg+ = 7.57? pAg+ = -log[Ag+] The Kb of NH3 is 1.80 times 10-5. What is the pH of a 0.650 M solution o…

please solve these problems in detail. thanks To a 250.0 mL volumetric flask are

please solve these problems in detail. thanks To a 250.0 mL volumetric flask are added 1.00 mL volumes of three solutions: 0.0100 M AgNO3, 0.235 M NaBr, and 0.100 M NaCN. The mixt…

please solve this HW as soon as possible using C programming language regards Th

please solve this HW as soon as possible using C programming language regards The table below shows the normal boiling points of several substances. Write a program that prompts t…

please solve this problem Process engineering Need full answer n-Hexane (CoH4) i

please solve this problem Process engineering Need full answer n-Hexane (CoH4) is burned with excess air. An analysis of the product gas yields the following dry-basis molar compo…

please solve this question in detail. thanks To a 250.0 mL volumetric flask are

please solve this question in detail. thanks To a 250.0 mL volumetric flask are added 1.00 mL volumes of three solutions: 0.0100 M AgNO3, 0.235 M NaBr, and 0.100 M NaCN. The mixtu…

please solve this question in detail. thanks To a 250.0 mL volumetric flask are

please solve this question in detail. thanks To a 250.0 mL volumetric flask are added 1.00 mL volumes of three solutions: 0.0100 M AgNO3, 0.235 M NaBr, and 0.100 M NaCN. The mixtu…

please someone solve this for me. please show work so i can do similar problems.

please someone solve this for me. please show work so i can do similar problems. help please! The problem is to solve for region 3 cid-Base Titrations, Problem Set actic Acid Prob…

please tell me which option is right be specific Part A Consider the following r

please tell me which option is right be specific Part A Consider the following reaction and its equilibrium constant 12 (g) + Br2 (g) 21Br(g) Kc 1.1 x 102 A reaction mixture conta…

please try and answer from 9 thabk YOU f. Can chromatography be used to determin

please try and answer from 9 thabk YOU f. Can chromatography be used to determine how much of a component is in a mixture? How? · Use of GC in the calculation of % hexane and % to…

please type 1. A small gas tank containing nitrogen had a volume of 25 L and an

please type 1. A small gas tank containing nitrogen had a volume of 25 L and an internal pressure of 200.0 atm The tank developed a small leak, and over time emptied into the clos…

please type it , and keep the answer short , When a conductor e.g. metal or carb

please type it , and keep the answer short , When a conductor e.g. metal or carbon is immersed in a electrolyte, electric double layer will be formed at the interface of the solid…

please use the Information from \"Data Boxes\" post on page 1 and 2. Please answ

please use the Information from "Data Boxes" post on page 1 and 2. Please answer 1-3 and explain step by step,given the data. I'm so confused. Answer 102 Exercise 7 Report Form: A…

please use the following shapes for the next part Identify the functional group

please use the following shapes for the next part Identify the functional group that best fits each description are alkanes where a hydrogen has been substituted with a halogen Al…

please will someone help me? The heat of fusion of water is 80 cal/g, the heat o

please will someone help me? The heat of fusion of water is 80 cal/g, the heat of vaporizationof water is 540 cal/g, and the specific heat of water is 1.0cal/deg/g. How many grams…

please write a program that reads two matrices and determines their product matr

please write a program that reads two matrices and determines their product matrix. Example : M1 = 1 2 3 3 2 1 M2 = 1 2 3 4 5 2 5 3 1 4 5 4 3 2 1    equals to:    P = 20 24 18 12 …

please write clear Is the local pond water significantly acidic? PART C. EXERCIS

please write clear Is the local pond water significantly acidic? PART C. EXERCISES 1. Oak leaves lying in water can cause the water to have a pH of 3 or less. Is the water acidic,…

please write clear The liquid 2-butanone has a density of 0.800 e/ml at 25.o*C.

please write clear The liquid 2-butanone has a density of 0.800 e/ml at 25.o*C. If a 2. The liquid chlorocyclohexane has a density of 1.00 g/ml at 20.0°C. If a 141 gram sample of …

please write the steps for these three quetions. thanks 1. In an adiabatic compr

please write the steps for these three quetions. thanks 1. In an adiabatic compression of 1 mol of an ideal gas with Cv,m = 5R/2, the temperature rises from 293 K to 325 K. Calcul…

please write the steps for these two questions. thanks 2.75 moles of an ideal ga

please write the steps for these two questions. thanks 2.75 moles of an ideal gas is expanded from 375 K and an initial pressure of 4.75 bar to a final pressure of 1.00 bar, and C…

please, explain to me !! #2, 3, 4, 6, 9, 10, 11, 12, 13, 14, 17, 18! B7.2 % EN I

please, explain to me !! #2, 3, 4, 6, 9, 10, 11, 12, 13, 14, 17, 18! B7.2 % EN IS , Aa2Ott ) O/Hasa, a H 50/" ke, tax D) 6.8 E) 7.0 Determine the pH of initial concentrations the …

please, help me with the post lab report A. Deter the correct chemical reaction

please, help me with the post lab report A. Deter the correct chemical reaction for soa, hydrogen te te Ke add 2.102 e 2 ope CO - 40 0968 "Calculate by ing 0 0040 moies to the "Ma…

please, help me with the post lab report A. Deter the correct chemical reaction

please, help me with the post lab report A. Deter the correct chemical reaction for soa, hydrogen te te Ke add 2.102 e 2 ope CO - 40 0968 "Calculate by ing 0 0040 moies to the "Ma…

please, need help for python lab, use 3.4.2 shell. The end product will be somet

please, need help for python lab, use 3.4.2 shell. The end product will be something like this: A thing of beauty is a joy for ever. ? John Keets Creating the starting point Compl…

please, show me the right steps to get the answers! Using your periodic table ca

please, show me the right steps to get the answers! Using your periodic table calculate the unit cell parameter a of palladium (Pd) (6pts) (B) 789 A (c) 1.44 A (D) 98.2 A Onestian…

please,please someone help me i dont understand this atall! 1.)The heat of fusio

please,please someone help me i dont understand this atall! 1.)The heat of fusion of water is 80 cal/g, the heat ofvaporization of water is 540 cal/g, and the specific heat of wat…