Q: (Q13) Select of all the following that reflect the standard state of the element: lodine: I2 (g)…
A: The standard state of any element forms at 1 atm pressure and room temperature or at STP.
Q: (12. A pan of water experiences a temperature change of -1.65 °C when left outside overnight due to…
A: Answer:- This question is answered by using the simple concept of calorimetry which involves the…
Q: Which statement below best describes the effects of raising the temperature for this reaction?…
A: fullscreen
Q: h 3aOH b. c. d. a. 2 a. 1. PnCH PPO 2 N ΠΕ a 1. PhCH, PPhy/ NaOH 2. H₂O+ b. NH₂ SOCI ملی NaCN NH…
A: The question is based on organic reactions.We need to identify the product and explain its…
Q: Н СЊ I, excen П 2) Ag2O, H2O 3) Д, heat
A: Hofmann's elimination is the process of creating tertiary amines and alkenes from the treatment of…
Q: What is the heat change in kj associated with 33.38 g of liquid water at 5.00 ° C changing to solid…
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Q: 5(d)
A: (a) The solution has 100 mL of acid and 100 mL of base. Thus, the total volume of the solution is…
Q: 1.500 6. The heat of sublimation for iodine is 62.4 kJ/mol, at 25°C and 1.00 atm. What is AE for the…
A:
Q: (8) 9. How much energy is required to heat 81.0 g of water (specific heat = 1.00 cal/g°C) at 11.0°C…
A:
Q: (1) C(s) + O2(g) → CO2(9) AH = -393.51 kJ mol1 (2) S(s) + O2(g) → SO2(g) A:H = -296.83 kJ mol1 (3)…
A:
Q: If a person practicing yoga for one hour burns 315 kilocalories (kcal), how many joules (J) of…
A: If a person practicing yoga for 1 hour burns 315 kilocalories (kcal).Energy have they burned = ?…
Q: Nitroglycerin, C;H5 (NO3)3 (1), is an explosive most often used in mine or quarry blasting. It is a…
A: A chemical reaction is a process in which one or more substances also known as reactants are…
Q: Estimate the thermal properties of a food with the following composition: carbohydrate 0.3%, protein…
A: Note: Since we are entitled to answer only three sub-parts, we’ll answer the first three as no…
Q: Which
A: Endothermic reaction in which heat is given
Q: Which of the following which is/are true about the internal energy, E? (i) The total energy of…
A: Internal Energy is defined as energy dissociated with the random, disordered motion of Molecules.
Q: If a 136.51 g Al rod (c = 0.900 J/g°C) is at 100.0°C and placed into 250.0 g of water at 21.8°C,…
A: Answer: (D) 30°C
Q: A solution of AgNO3 (100.0 mL, 0.300 M) reacts with a solution of HCI (100.0 mL. 0.300 M) in a…
A: Given that : The volume of AgNO3=100.0 mLThe molarity of AgNO3=0.300 MThe volume of HCl=100.0 mLThe…
Q: A student wants to know the number of food Calories in their favorite snack. They burn their snack…
A: Given, Mass of water = 200g Water temperature before burning= initial temperature= (Ti)= 25oC.…
Q: 1.77 An Olympic-size pool is 50.0 m long and 25.0 m wide. (a) How many gallons of water (d = 1.0…
A: Q.(77) Answer: 1 gallon = 3.785 litre 1 ft = 30.48 cm Given, length of the pull = 50 m = 50 x 100 cm…
Q: 1. (9 points) A 15.0 gram piece of metal is heated to 65.0°C and then dropped into 175 grams of…
A: In this thermodynamics problem, we have a 15.0-gram piece of metal that is initially heated to 65.0…
Q: Given
A: XCl4(s) -----> X(s)+2Cl2(g) .......(6) Sign of ∆H2 changed ∆H2 = -344.1 kJ
Q: 4. An athlete eats food in order to get energy for their competition that day. What type of energy…
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Q: (8) How many kilocalories are lost when 580-g of water cools from 67°C to 22°C?
A:
Q: lo How much propane (in grams) would have to be combusted to increase the temperature 300mL of water…
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Q: 6. How many calories of heat are needed to change 55.00g of nickel at 1250.0°C to 1750.0°C? (C…
A:
Q: • (8)Substance Z has the following properties: C(s) = 2.00 J/g*°C, C(1) = 2.90 J/g*°C, C(g) = 1.80…
A: C(s) = 2.00J/g0C, C(l) = 2.90J/g0C, C(g) = 1.80 J/g0C, ∆Hfus = 267 J/g melting point = -160C,…
Q: ) If pKw = 6.92 then
A: The ionic product of water (Kw ) is defined as Kw = [H3O+][OH-] Then, pKw = -log Kw
Q: The combustion of wood produces an average of 15 000 kJ/kg. Suppose 4.30 kg of wood is burned in a…
A: GivenMass of the wood =The calorific value of wood =.Mass of air = .Specific heat capacity of air,…
Q: The heat of combustion of Cuhio butane is 2878-5 - when Co2 is given and the liquid water chemistry…
A: The combustion of Cuhio butane is a chemical reaction between butane and oxygen gas which results in…
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