Calculate the moles of anhydrous (dry) KAl(SO4)2 that were present in the sample. Show all work including units.

Q: 2.) For the following reaction that occurs in ethanol A+ 2Fe,O,(aq) + 3C(aq) → 4Fe*(aq)+ 3CO,(g)…

A: The reaction given is,

Q: Calculate the kinetic energy in joules of an automobile weighing 4175 lb and traveling at 45 mph. (1…

A:

Q: When 3 moles of C is formed, what is the change in enthalpy? 3A + 6B + 5 kJ → 2C

A: Answer given below

Q: when hydrogen and oxygen are burned to produce water. heat is produced at 58 kcal mol of water. A…

A: We are given with the heat produced for 6.02×10-23 molecules = 58 KCal. So , to find heat produced…

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A:

Q: When we exercise, we rely on the oxidation of glucose (C6H12O6) to carbon dioxide and water for…

A:

Q: Which of the following is the formation reaction for Na2CO3 (s)?   A. 2 Na(s) + C(s, graphite) + 3…

A:

Q: A student performs a calorimetry experiment. The student combines 100. g of 0.40 M HC1(aq) with 100.…

A: Heat absorbed by the particular species = mass × heat capacity × temperature change

Q: Using the Table of Thermodynamic Values, determine the change in enthalpy

A:

Q: thermometer- A 56.0 g sample of aluminum is put into a calorimeter (see sketch at right) that…

A: When aluminium sample which is at higher temperature is put in calorimeter which is having water at…

Q: Using the enthalpy change of -1594 kJ, what is the amount of heat absorbed or released when 1.10 L…

A:

Q: A student performed the procedure described in the lab manual using 49.9 mL of 1.0 M HCI and 49.3 mL…

A: Molarity of HCl = 1.0 MVolume of HCl: 49.9 mLMolarity of NaOH = 1.0 MVolume of NaOH = 49.3 mLInitial…

Q: What is the theoretical yield of ammonia (in grams) if 16.55 grams of nitrogen gas and 10.15 grams…

A:

Q: A chemist measures the enthalpy change (delta)H during the following reaction. Use this information…

A:

Q: Which of the following correctly states the purpose of the Calorimetry experiment? (Experiment 1) To…

A: Applying concept of calorimetry.

Q: The reaction between nitrogen and oxygen is given below: 2 N2(g) + O2(g)2 N20(g) We therefore know…

A:

Q: Coal power plants burn large amounts of coal, C(s), in an O2(g) atmosphere to generate electricity.…

A: For the reaction.,  C(s)  + O2(g)  -------> CO2(g) Mass of carbon burnt = 102 metric tons Oxygen…

Q: Show all work in the space below. If you don't show work, you will receive no credit: Many people…

A:

Q: 4 PCls(s) 10 Cl₂ (g) + P4(s) AH, +1717 kJ a. How much energy is produced/absorbed by this reaction…

A:

Q: 3. Write out the chemical equation for the enthalpy of formation of NaCl(s).

A: NaCl is formed by reaction of Na(s) ans Cl2(g). With the help of this reaction we can calculate…

Q: on 22 of 22 Using the balanced chemical equation, determine how many moles of NaCl will be produced,…

A: According to the question, The given reaction is, BaCl2aq + Na2SO4aq → BaSO4s + NaClaq The moles of…

Q: The answer to this question is a numerical answer. Please report the numerical answer to 1 decimal…

A: Given:  The volume of HCl is 50.0 mL. The volume of NaOH is 31.8 mL. The molarity of HCl is 0.100 M.…

Q: Part A: Calorimetry Tip for calorimetry problems: Always remember the 1" Law of Thermodynamics:…

A:

Q: A mass of 250 g of water is placed in a coffee cup calorimeter. The solution's temperature is…

A: Standard molar enthalpy change for the reaction is to be determined.

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat, via the following reaction:…

A: Number of moles is equal to the ratio of mass to molar mass of substance. Number of moles=MassMolar…

Q: 11. A strip of magnesium weighing o.200 g is added to 3.00 mL of 5.00 M hydrochloric acid. During…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

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A:

Q: After a few minutes on the hot plate some sodium bicarbonate (NaHCO3) begins to decompose into…

A: Enthalpy change for the reaction= sum of enthalpies of formation of products - sum of enthalpies of…

Q: Energy for recycling Cu: ________ kJ

A: Given:

Q: Which of the following reactions has (+)work? Select one: O a. Ni(CO)4(g) → Nics) + 4C0(g) O b.…

A:

Q: 4. You wish to determine the amount of heat produced by the reaction of propane with oxygen. You are…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: 2 H NaOH, ethanol heat

A: NaOH is a base. It absorbs acidic protons. The produced carbanion will carry the reaction.