Which element in the periodic table has an specific heat of 0.099 with the lowest percentage error

Q: Question 4 (5 points) Perpetual preferred stock from Stanley Inc. sells for $100 per share, and it…

A: The objective of the question is to calculate the cost of preferred stock for Stanley Inc. for use…

Q: Which of the following is always true for an endothermic process? asys 0 qsys > 0, ASsurr 0,…

A: If the system absorbs the heat from the surroundings, then it is an endothermic reaction. If the…

Q: 9 A molecule (or ion) has electrons. It is composed of a central atom surrounded by identical atoms.…

A: A generic Lewis structure for a molecule (or ion) with the described electron configuration would be…

Q: A piece of parmesan cheese is burned in a soda can calorimeter, and heats up 0.235 kg of water by…

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Q: ONLY ANSWER NUMBER 5 the other questions are there in case you need information and the data is…

A: Calculate the percent error:Percent Error= (Experimental Value−Accepted Value / Accepted…

Q: Convert 3.20 x 10 J to kilojoules STARTING AMOUNT

A: 1 kj = 1000joules It means  1000 joules makes 1 kj

Q: Acetylene (C,H, gas is often used in welding torches because of the very high heat produced when it…

A: Given that -  Number of moles of acetylene = 0.095 mol    When acetylene  burnt with oxygen gas to…

Q: What does the graph represent?(Select the correct answer below) Reactants AH Phodacts Peaction…

A: Chemical reactions are classified into two types on the basis of heat involved, exothermic and…

Q: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

A: Octane (C8H18) is a chemical compound in gasoline. When gasoline burns, the octane reacts with…

Q: In an experiment, 2 grams of zinc and 150 mL aq CuSO. were made to react, then as observed, the…

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Q: Classify the following processes or chemical reactions as endothermic or exothermic Group of answer…

A: Exothermic reaction is the reaction in which heat is given out or heat is released. Endothermic…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

A: Mass of Acid = 0.6158 g Molar mass = 122.12 g/mol Mole(n) = 0.6158/122.12   = 0.00504 mol…

Q: How many moles of CsHs (propane) must be reacted according to the following balanced chemical…

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Q: conducted in a fixed volume uses the specific heat of water in calculations does not require…

A: Calorimetry is used to measure amounts of heat transferred to or from a substance. To do so, the…

Q: Classify each process as exothermic or endothermic.(a) dry ice subliming (changing from a solid…

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Q: in a different experiment it is observed that 332 cal of heat is absorbed as the temperature of 58.2…

A: This is a simple problem of thermal equilibrium where we have to find out the specific heat capacity…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

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Q: A calorimeter holds 45 g water at 22.0°C. A sample of hot iron is added to the water, and the final…

A: Specific heat is the amount of heat energy required to raise the  temperature of unit mass by unit…

Q: If an athlete expends 2241 kJ/h, how long does she have to play to work off 1.00 lb of body fat?…

A: The solution is given below -

Q: Write the equations for the formation of (a) lead (IV) carbonate, (b) sulfur tetrafluoride and (c)…

A: Answer: Chemical equation of formation are the ones in which 1 mole compound forms from the standard…

Q: How many grams of C,H, liquid must decompose according to the following chemical equation to…

A: Given :-  C6H6(l) ---> 3C2H2(g)  ΔH = 630 kJ To calculate :-  Amount of C6H6 that will be…

Q: The standard state of oxygen defined as:

A: Answer: The standard state of Oxygen is O2(g).

Q: 1)Acetylene (C,H2) gas is often used in welding torches because of the very high heat produced when…

A:

Q: how much heat was absorbed (in J) if a 12.6 g sample of an alloy with a specific heat of 0.477 J/g C…

A: Given, the mass of sample =12.6 gspecific heat of alloy =0.477 Jg.°Cinitial temperature =12.7…

Q: Classify each change as exothermic or endothermic.(a) wood burning in a fire(b) ice melting

A: The given processes has to be classified as exothermic or endothermic.

Q: ARTING AMOUNT X How many moles of CH₁2 (cyclohexane) must be reacted according to the following…

A: Given: C6H12 l + 9O2 (g)→6CO2 (g) + 6 H2O(g)         ∆H°=-3919.4 kJ

Q: - Question Completion Status! A Moving to another question will save this response. Question 1 Given…

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Q: When 435J of heat is added to 3.4g of olive oil at 21-degrees Celsius, the temperature increases to…

A: With the absorption of heat, the temperature of the substance changes. The greater the heat…

Q: A specific brand of hand sanitizer contains 72% ethanol (ethyl alcohol) by volume. If each bottle…

A: Given:   Volume of ethanol=5.5 gal.    1 bottle  contain=236 mL  sanitizer     No.  of bottles=?

Q: aluminum is 0.900 ? ?∙°C; 25.316 g of aluminum is placed in 99.134 g of water at a starting…

A: Heat(q) = m.s.□T where,  m = mass s = specific heat capacity  □T = Temperature difference  Using…

Q: Mr. Naresh works in a multinational company. He is stressed due to his hectic schedule. Mr. Amit,…

A: The functions of mind and body would be affected by drugs. Several people take drugs for various…

Q: Acetylene (C,H,) gas is often used in welding torches because of the very high heat produced when it…

A: Acetylene reacts with oxygen to produce carbon dioxide gas and water.

Q: Daite 25 Compounds (oswmatre t aroonatict alpate) ueith lorgeet and alzo grue yer chemical whift…

A: if shielded low chemical shift value . if Deshielded high chemical shift value

Q: UNKNOWN METAL DATA: mass of unknown metal = 50.0g %3D initial temperature of unknown metal = 130-0C…

A: We are given mass of unknown metal(mw )=50.0 gminitial temperature(Tui)=130°Cmass of water in…

Q: [Referencen) ting Curves How much energy as heat is required to raise the temperature of 50.00 mL of…

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Q: DATA TABLE Mass of test tube Mass of test tube & metal Mass of metal Mass of calorimeter Mass of…

A: The question is based on the concept of calorimetry. whatever heat released by metal is absorbed by…

Q: em 105-Online TA TABLE Mass of test tube Mass of test tube & metal Mass of metal Mass of calorimeter…

A: The question is based on the concept of calorimetry. whatever heat released by metal is absorbed by…

Q: In the laboratory a student finds that it takes 54.9 Joules to increase the temperature of 11.0…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: The specific heat of iron is 0.116 cal/g °C. Assuming that no heat is lost during the experiment,…

A: Given data  specific heat of iron = CFe = 0.116 Cal/g-°C Mass of iron. MFe = 30.0 g Initial…

Q: Heat

A: The pericyclic reaction is a class of reactions in which the making and breaking of bonds occur in a…

Q: STARTING AMOUNT X How many moles of KCIO, solid must be reacted according to the following balanced…

A: Potassium chlorate decomposes into potassium chloride and oxygen. The equation for the balanced…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: As mentioned, the student heats up the tungsten and then drops it into water. This means , the piece…

Q: Please correct answer and don't use hand rating

A: Step 1: Part AThe energy needed to keep a 75-watt lightbulb burning for 1.0 h is 270 KJ. Hence the…