The standard molar entropy of NHz is 192.45 JKmol-1 at 298K, and its heat capacity is given by the equation Com= a bT c/T2 with the coefficients given in the table below. Calculate the standard molar entropy of NH3 at 100 °C. Please explain as much as possible.
26 Mar 2020Diethyl ether [(CH3CH2)20, MM = 90.1 ) has a boiling point of 35.6°C and heat of vaporization of 26.7 /mol Given this information: a) What is Assys, AS uniy and ASgurr (in komol) and AG (in /mol) for 1 mol of (CH3CH2)20 vaporizes at 35.6°C? b) What is Assys, Asuniv, AS surr (in/k...
26 Mar 2020Consider the following piston-cylinder arrangement which is thermally insulated. Initially, the same 1 mole of an ideal gas is confined in the cylinder A, B, and C, respectively which are partitioned by an adiabatic piston and a diathermic piston as shown in Figure 1. The initial...
26 Mar 2020Dropdown Menus: 1. methyl, primary (unhindered), primary (hindered), secondary, tertiary 2. poor, weakly basic, strongly basic (hindered), strongly basic (unhindered) 3. protic, aprotic 4. SN2, SN1, E1, E2, SN2 AND E2, SN1 AND E1, No Reaction 5. randomized, inverted, predict...
26 Mar 2020The literature reduction potential under standard conditions for each metal used in this experiment was obtained from standard reduction tables. The literature reduction % cell potentials are in order of increasing reduction potential (least able to be reduced to most able to be...
26 Mar 2020I. Conjugated dienes undergo Diels-Alder reaction and form 6-membered rings. In order for this reaction to occur, the diene must be in the S-cis conformation and an alkene (dienophile) preferably with an electron-withdrawing group. EWEW EW Diene S-cis conformation Dienophile race...
26 Mar 2020Question: 1) A Na3PO4 standard solution is prepared by transferring 3.50 g of primary standard-grade ...
26 Mar 20203. Explain the series of color changes that can occur on the thymol blue indicator by the addition of the following solutions. In each case, give the approximate pH of the solution Color change Red to Yellow Yellow to Blue pH range 12 to 2.8 Thymol blue 8.2 to 9.1 a) A few drops ...
26 Mar 20201) A toy car runs off the edge of a table. The table is 1.225 m high and the car lands 0.400 m from the base of the table. a) How long does It take the toy car to hit the ground? b) What was the velocity of the toy car on the table? 2) A dart player throws a dart horizontally at...
26 Mar 2020Suppose a box has a width,w, height,h, and length,l, which can change at most 1%? What is the percent error, E, of the change in volume V?
26 Mar 2020Upon completion of this laboratory, you will be able to: ? Define protein, carbohydrate, lipid, and nucleic acid. ? Define a dehydration reaction and relate this reaction to the structure of a macromolecule. ? Describe the essential and nonessential amino acids that makeup pro...
26 Mar 2020Option #1: Having a Blast with Active VolcanoesChoose an active volcano from somewhere on Earth, from this online list (Links to an external site.). In a well-crafted essay, cover all of the questions below. (Tip: Investigate your volcano online a bit before committing to it for ...
26 Mar 2020My team was tasked with tutoring a group of peers about the components and functions of the human cell. We have to Create an 8- to 10-slide presentation that serves as a visual tour of the human cell. In the presentation, we mustExplain why cells are considered the building block...
26 Mar 2020My team was tasked with tutoring a group of peers about the components and functions of the human cell. We have to Create an 8- to 10-slide presentation that serves as a visual tour of the human cell. In the presentation, we mustExplain why cells are considered the building block...
26 Mar 2020Problem 1.22. If you poke a hole in a container full of gas, the gas will start leaking out. In this problem, you will make a rough estimate of the rate at which gas escapes through a hole. (This process is called effusion, at least when the hole is sufficiently small.) (a) Con...
25 Mar 20203.12.4 In an experiment, an electron is prepared in the state described by the wavefunction (r4 , where / is the time from the start of each run of the experiment. In this experiment, the momentum is measured at a specific time 4, after the start of the experiment. This experimen...
25 Mar 2020What are angiosperms, the flowering plants? What is the main feature that distinguishes them from the gymnosperms?
25 Mar 2020What are the main biological functions of the polysaccharides? How Starch is the polysaccharide used for energy stores by plants. Glycogen is a macromolecule responsible for the storage of glucose in the liver and muscles. Chitin is a polysaccharide with structural functions that...
25 Mar 2020environmental and the organismic water cycle
25 Mar 2020describe hybridization benefits for the eradication of the disease in dogs
25 Mar 2020explain why each part of the name DNA polymerase (DNA, polymer,-ase) makes sense
25 Mar 2020(a) 81 g (b) 40.5 g (c) 20.25 g (d) 162 g
25 Mar 20201. Compare the reproductive system of the earthworm with that of Ascaris. Be sure to note both similarities and differences. 2. explain how earthworms demestrates cephalization 3. How does the digestive system of an earthworm and an Ascaris differ?
25 Mar 2020what is the function of the mandible in a frog?
25 Mar 2020how does the concentration of electrolyte, the type of electrolyte, the type of electrode and the size of the applied voltage or current affect the performance of an electrolytic cell?
25 Mar 2020chemical names in antibiotics antipyretics antiseptics antiacids and their uses
25 Mar 2020Compare a Human Males reproductive system and a male frogs reproductive system
25 Mar 2020Identify Phil Caputo and describe his childhood and life as a young adult, including college. Why did Caputo decide to join the marines? What kind of training does he receive as a marine? When does he first arrive in Vietnam and what is his first mission in Vietnam? What are his ...
25 Mar 2020An 80-L vessel contains 4 kg of refrigerant-134a at a pressure of 160 kPa.Determine the temperature.
25 Mar 2020The enthalpy change of formation,?Hf, of hydrated calcium ions is the enthalpy change of the following reaction. Ca(s) aq – 2e – ? Ca2(aq) The following enthalpy changes are not quoted in the Data Booklet. Ca(s) ? Ca(g) ?Ha = 177 kJ mol–1 Ca2(g) aq ? Ca2(aq) ?Hhyd = –1565 kJ mo...
25 Mar 2020what is hydrogen bonding? what do you understand by intramolecular and intermolecular bonding? give examples
25 Mar 2020Preparation of soap, nail polish remover, alcohols, varnishes, shampoo, shampoo
25 Mar 2020give the suggestions for increasing railway earnings
25 Mar 2020A sample of uranium fluoride is found to effuse at the rate of 17.7 mg/h. Under comparable conditions, gaseous iodine effuses at the rate of 15.0 mg/h. What is the molar mass of the uranium fluoride? (Hint: Rates must be converted to units of moles per time.) >
25 Mar 2020A pet supplier has a stock of parakeets of which 20% are blue parakeets. A pet store orders 3 parakeets from this supplier. If the supplier selects the parakeets at random, what is the chance that the pet store gets exactly one blue parakeet? (Use the binomial table)
25 Mar 2020If the power company charged $0.11 per kWh, how much money will it cost to operate a 1500 W toaster oven for 1.2 h?
25 Mar 2020find the delta H for H2SO4-->SO3H20 Given equation:H2S2O2-->H2SO4 DELTA H=-235.5 H2S2O2-->SO3H2O DELTA H=-207 H2O(L)-->H2O(g)
25 Mar 2020By means of a scatter Diagram, Determine if there is a relationship between hours of machine use and millimeters of the target. Data for 20 (x,y) pairs with hours of machine use as the x variable are (30, 1.10), (31, 1.21), (32, 1.30), (33,1.21), (34, 1.25),( 35, 1.23), (36,1.24)...
25 Mar 2020what are the properties do alkanes share?
25 Mar 2020the knowledge of ____ is becoming increasingly essential for any educated citizen of the world.
25 Mar 2020A certain centrifuge produces a centripetal acceleration of magnitude exactly 1100g at a point 14.8 cm from the axis of rotation. Find the number of revolutions per second.
25 Mar 2020How do geologists use the wave nature of light to find mineral deposits?
25 Mar 2020what are the similarities and differences of an earthworms reproductive system and a ascariss reproductive system?
25 Mar 2020A digital clock has a resistance of 1.00 x 10^4 W and is plugged into a 110.0-V outlet. If the owner pays $0.05 per kWh, how much does it cost to operate the clock for 30.0 days?
25 Mar 2020A hardware store sells 35% fewer lawnmowers in July than in April. If 39 were sold in July, how many were sold in April/
25 Mar 2020Describe the geographic distribution of volcanoes in the United States and the areas at risk from volcanic hazards? How active have these volcanoes been in the last thirty years?
25 Mar 2020What is the function of the renal portal vein in a frog?
25 Mar 2020What do you mean by- 1. Endo Osmosis 2. Exo Osmosis 3.Reverse Osmosis Also give the applications of Reverse Osmosis
25 Mar 20204f orbitals binding energy is more than 5f orbitals..why?
25 Mar 2020explain the difference between productivity and production in relation to plants.
25 Mar 2020
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