Calorimetry & Specific Heat Guide Questions: 1. Why is it required to tap the hot metal with a tissue paper before placing the hot metal in the calorimeter? Explain. 2. What is the purpose of stirring the contents of the calorimeter before the final temperature is taken? Explain.

Q: Iron metal reacts with oxygen to produce iron (III) oxide. Write the Chemical Equation First. A.)…

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Q: Experiments were done on a certain pure substance X to determine some of its properties. There's a…

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Q: What is a calorimeter constant? ) Amount of energy lost out of or absorbed by a calorimeter )…

A: In this question, we have to choose the correct option for the given question.

Q: if you spill some of the hydrochloric acids on the table during the reaction of hydrochloric acid…

A: The heat of neutralization: The amount of heat released by the reaction of one mole of an acid and…

Q: Identify the necessary parts to build a calorimeter. Select one or more: Thermometer O An exterior…

A: A calorimeter is an instrument used to measure the heat evolved or absorbed in a chemical reaction.…

Q: Piece of metal with a mass of 48.342 g at an initial temp of 108 C is placed into 50 g of water…

A: Given, mass of metal =48.342 graminitial temperature of metal =108 °Cmass of water =50 graminitial…

Q: When hot tea is poured into both a steel cup and a styrofoam cup, the steel cup quickly feels hot to…

A: Since metal is a good conductor of heat due to free electrons in the metal.

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Q: Think about the metals aluminum and magnesium and the ions they form. Why might one metal be more…

A: Considering Aluminium and magnesium: The atomic number of Mg=12 Electronic configuration: 1s2 2s2…

Q: 2. When you mix two solutions one containing compound A and the other containing compound B in a…

A: Because the final temperature for the mixing of compound A and compound B  is increase tgen it is a…

Q: Which of the following characterizes an endothermic process in the styrofoam calorimetry experiment?…

A: The energy difference between the products and reactants is known as the energy change of a…

Q: 1. Explain the energy changes during chemical reaction, and write the thermochemical equation for a…

A: The energy changes in a chemical reaction are reported due to the difference in the total enthalpies…

Q: Use the information and table to answer the following question. A student is planning to determine…

A: Specific heat capacity = (Amount of heat supplied ) / (mass of object) x(increase in temperature)

Q: Which of the following is NOT TRUE?    A. A bomb calorimeter is used to measure the enthalpy of a…

A: Calorimeter is a device used to measure heat or heat capacity of a reaction. It works on the…

Q: 1. When 3.00 kg of water is warmed from 10.0°C to 80.2°C, how much heat energy is needed?

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Q: Consider that 53.0 g of water at 63.28°C was cooled by the removal of 900J of heat. Calculate the…

A: To calculate the final temperature of water , we would use formula : q = m × C × dT  where , q =…

Q: How is specific heat and heat of fusion seen in the coffee cup calorimeter experiment?

A: At coffee cup calorimeter, is an isolated system containing water.

Q: 1.Define direct calorimetry and indirect calorimetry, and describe how hey are used to measure…

A: Direct calorimetry measures heat production and indirect calorimetry measures gas exchange, oxygen…

Q: spesic nent iron 0.449 J.g".°C-! Spetic neat cOPper 0.385 J.9 A) s.o g cu b) l.0 g Fe S.O 9 c) 1.0g…

A: Recall the following relation from law of calorimetry       Q=m×C×∆tHere,amount of heat evolvedQ=9.5…

Q: 3. In the calorimeter which component do you think is gaining heat (metal or water)? Explain how you…

A: Please find solutions of question 3 & 4.   3. In the calorimeter which component do you think is…

Q: What effect does the initial temperature of the water have on the change in temperature of the water…

A: While hot metal was added into the water. The hot metals lose its temperature (energy) into the…

Q: Why is it important to keep the lid of the "coffee cup" calorimeter on during the reaction? O So the…

A: Calorimeter is used to measure the heat energy of the system. If the system gets disturbed again and…

Q: Why were we not able to simply use the specific heat capacity of water, 4.184 J/g°C?

A: Given that: Volume of water used = 100 mL specific heat capacity of water = 4.184 J/g oC Change in…

Q: When measuring the acid samples in the graduated cylinder, the student reads from the top of the…

A: The equipment used in laboratory are always marked above meniscus to avoid the loss of volume in…

Q: The law of conservation of Energy states that (select one) 1)No energy can be created or destroyed…

A: The law of conservation of energy states that energy can neither be created nor be destroyed. It can…

Q: d. Why do you purge the nitrogen out of the bomb calorimeter? can you know if the combustion of your…

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Q: A calorimeter is an insulated device in which a chemical reaction is contained. By measuring the…

A: Formula used  q = mwaterCwaterdT + CxdT  where q= heat  dT = change in temperature , C = heat…

Q: Explain three examples that will significantly improve the accuracy of a calorimetry lab experiment.

A: Accuracy is defined as the closeness of a measurement to the accepted value.

Q: Question 3 If you spill some of the hydrochloric acid on the table during the reaction of…

A: The calorimeter measures the heat of the reaction. When acid and base react with each other salt and…

Q: ne change in internal energy 125 oo1 uork vorl

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Q: 2. Use the data on the left side of Table 1 to perform the calculations necessary to complete the…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: student is planning to determine the specific heat capacity of iron. To do this experiment the…

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Q: why is it unnecessary to dry the calorimeter between trials? This question relates to the heat of…

A: Given: calorimeter  To find: why it is not necessary to dry calorimeter between the trials.…

Q: 21. Which device to nutritionists use to determine the number of calories in samples of food? a foam…

A: Nutritionists use a bomb calorimeter, which is abox with two chambers, one inside the other, toburn…

Q: In the thermochemistry experiment, to determine the water equivalent of the calorimeter cup, and…

A: Option B is correct.

Q: 2. A metal sample having a temperature of 100°C and a mass of 45.2 g was placed in 50 g of water…

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Q: 2.5 g sample of french fries is placed in a calorimeter with 500.0 mL of water. The initial…

A: Given:  Volume of water in calorimeter = 500.0 ml  Initial temperature of water = 21.0°C  Final…

Q: A pan is placed over a gas stove. Describe which would be endothermic and/or exothermic (pan and…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: A calorimeter contains 100.0 g of water at 39.8 ºC. An 8.23 g metal object at 50.0 ºC is placed in…

A: Answer:- This question is answered by using the simple concept of calorimetry which involves the…