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- Kw (at 0 K) is 2.00E-01. What is the [H3O+]? Teacher gave the answer of 4.47E-01 but I don't understand how he got that..... what formula? I'm figuring I change from Kelvin to Celsius but then what?PARTA PART B NaOH PART C NaOH HC () PART D NaOH Components HC Mass (g) 20g 100g 2g 100g 2g Volume (mL) 100ml 50ml 50ml Concentration (M) Initial Temperature (c) Final Temperature C) 0.500M 1M 1M 20°C 20C 20 C 20 C 2.70°C 2521C 31.83 C 26.81 C Calculated Values c=012 C AH,=D 4951.09 J AH, = 2850.12J 1. What is the essence of determining the heat capacity of the calorimeter? Is it possible to replace the calorimeter in the middle of the experiment, say you use same type of calorimeter, but you borrowed from another group to perform part C and D? Why? 2. Expiain the temperature profiles of the contents of the calorimeter. 3. What is the relationship cf the temperature with the caculated AH? Compare the AH of the three reactions. 一 1. 1.Ff.100.
- Calculate the kinetic energy of Ne, Ar. and Kr at 287 K. Enter your answers numerically separated by commas. VE KNe, Kar, KKr = 3.58 Submit ΑΣΦ C - 21 ● 10 2¹,3.57 10 2¹,3.57 • 10-2¹,3.57 • 10-21 Previous Answers Request Answer ? J/molÔ THERMOCHEMISTRY 0/5 Understanding the definitions of heat and work A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) 1 atm pressure piston cylin From previous experiments, this chemical reaction is known to release 135. kJ of energy. gases The position of the piston is monitored, and it is determined from this data that the system does 242. kJ of work on the piston during the reaction. O exothermic Is the reaction exothermic or endothermic? O endothermic up Does the temperature of the water bath go up or O down down? O neither O in Does the piston move in or out? O out O neither O in Does heat flow into or out of the gas mixture? O out O neither How much heat flows? Be sure your answer has the correct number of…Chicken with Cp = 0.8 BTU/lboF, is to be cooked from 30 to 120oF.a. If the chicken weighs 5 lb, how many BTU’s of heat are required?b. Convert the number of BTU’s of heat in watt-hours.c. If the chicken is heated in a microwave oven having an output of 150 watts, how long will it take to cook the chicken?
- Q2)-Aperfect gas at 27 Č is heated to Constant is dowbled, the final temperoture is Cqual to 01:30 ... I.S. ressure till it's volume. 02:00 02:30 03:00 03:30 04:00 04:30 05 00It is the relationship between pressure and volume in the adiabatic processes of an ideal gas, where r is the adiabatic treatment or the relationship between volume and temperature in is given by the relationship e T-なごの TiV =Te V O(16 points) The complete combustion of propane, C3H8(g), is represented by the equation: C3H8(g) + 5 02(8) → 3 CO2(8) + 4 H20(1) AH = -2220 k Calculate the enthalpy (AH) and internal energy (AU), in kl, when 20.0L C3H8(g) reacts with excess oxygen at STP.
- cument/d/1w4gHczSl40h5sO/Vw6GkLb29317m2bNoSNoRZ edt ango Tools Add-ons Help Last edit was 3 minutes ago ext + BIYAノ8回ロ- F。 君 m 。 。 片 Arial 14 1 2 4) In a coffee cup calorimeter, 50.0 mL of o.100 mol/L AgNO, (aq) and 50.0 mL of o.100 mol/L HCl(aq) are mixed. The following equation Represents the reaction that occurs: Ag* (aq) + CI (aq) AgCI (s) The two solutions were initially 22.6°C, and the final temperature is 23.4°C. Calculate the thermal energy that accompanies this reaction in kJ/mol of AgCl formed. Assume that the combined solution has mass of 100.0 g and a specific heat capacity of 4.18 J/(g°C).Solve correctly please. (Gpt/Ai wrong answer not allowed)Br ... K® t- Buo br t - BUOH low temp Heat