The heat equation, as given in the introduction, can also be rearranged to calculate the mass or temperature change for a substance. Follow the same steps used to calculate the quantity of heat gained or lost, but when you solve the equation, the term for mass or temperature change must be isolated on one side of the equation. What mass, in grams, of aluminum fins could 2298 J of energy heat from 13.61 °C to 23.64 °C? Aluminum has a specific heat of 0.897 (J/g) · °C. Express your answer to three significant figures. » View Available Hint(s) Mass =

Q: ) Calculate the mass of sodium carbonate required to completely neutralize the spill. -) Determine…

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Q: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

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Q: The heat equation, as given in the introduction, can also be rearranged to calculate the mass or…

A: The specific heat required to raise the temperature of a substance is given as:

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

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

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Q: What mass of methane must be burned to release 185 kJ of heat?

A: Given , CH4(g) +2O2(g) →CO2(g) +2H2O(g)      ∆Hrxn=-890 kJmol

Q: 2 moles of potassium metal reacts with liquid water to produce solid potassium hydroxide, hydrogen…

A: 2K + 2H2O →2KOH + H2  Given that ∆H = - 162.4 kJ/mol For 2 mol of potassium metal (K) , ∆H = 2 mol x…

Q: What is heat? How does heat differ from thermal energy? Under what conditions is heat transferred…

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Q: 124 kJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen, what mass…

A: The mass of NO produced = 41.3478 g  The mass of N2 reacted = 19.2984 g

Q: How much heat is given off to the surroundings when 7 g of aluminum reacts according to the…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: What happens to the temperature of a material as it undergoes an endothermic phase change? If heat…

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Q: Maira is observing two reactions – one is endothermic, and the other is exothermic. In the middle of…

A: Maira is observing two reactions – one is endothermic, and the other is exothermic. In the middle of…

Q: If two objects, A and B, of different temperature come into direct contact, what is the relationship…

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Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The total energy required to charge a cell phone is equal to the energy a cell phone battery needs…

Q: How much heat energy in joules is gained by water with a mass of 491 g, and a temperature change of…

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

A: Given, Mass of quinizarin - 0.6677 g. Temperature change(dT) - 26.86 oC to 29.43 oC =  Mass of water…

Q: When a metal at a higher temperature is transferred to water at a lower temperature, heat is…

A: A calorimeter is a device used to determine the quantity of heat involved in the chemical or…

Q: A chemist placed a 1.195 g sample of fuel in a bomb calorimeter which was immersed into 2.00 L of…

A: The mass of the fuel sample is = 1.195 g The increase in the temperature of the water is = 20.1oC to…

Q: 2. A system performs 3.63 kJ of work and gives off 8.98 kJ of heat. What is the change in energy of…

A: To solve this problem we will use First Law of Thermodynamics  .  According to this law  ∆E = q + w…

Q: What is the identity of a 100. g sample of metal that, upon absorbing 4680 J of heat, increases in…

A: Given  Mass of sample (m)=100 g Amount of heat energy (Q)= 4680 J Temperature (t)= 52 oC

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: When 514 J of heat is added to a sample of liquid water, the temperature rises from 27.8°C to…

A: Specific heat capacity is the amount of heat needed to raise the temperature(usually 1°C) of given…

Q: A piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

A: Given data,

Q: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

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

A: CALCULATION OF SPECIFIC HEAT CAPACITY

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

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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: TUTOR Coffee Cup Calorimetry: Specific Heat I In the laboratory a "coffee cup" calorimeter, or…

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Q: The amount of energy needed to heat 2.00g of carbon from 50.0C to 80.0C is 42.56J.  The specific…

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Q: A student heats 62.33 grams of chromium to 99.36 °C and then drops it into a cup containing 82.16…

A: Given, mass of chromium =62.33 graminitial  temperature of chromium =99.36 °Cmass of water =82.16…

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The solution is given below -

Q: Condensation of water in the air is an important process in determining the climate of an area. When…

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Q: 4) The specific heat of copper is 0.385 J/g °C. Using the heat equation, Heat = mass x temperature…

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

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Q: A certain chemical reaction releases 33.8/kJg of heat for each gram of reactant consumed. How can…

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Q: An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 ºC. The  sample…

A: Given, Amount of heat required (Q) = 567 J Initial temperature (Ti) = 0°C Final temperature (Tf) =…

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

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

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Q: A certain chemical reaction releases 25.4 kj/g of heat for each gram of reactant consumed. How can…

A: It is given that in this the chemical reaction releases 25.4 KJ g-1of heat for each gram of reactant…

Q: For an exothermic reaction, how is the measured temperature change affected if some of the heat…

A: Consider that an exothermic reaction is taking place inside a calorimeter with water as its…

Q: Chargers for cell phones get warm while they are being used. Some of the energy they are using is…

A: Given  Energy needed for charging = 235 J  Energy wasted as heat = 345 J

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

A:

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

A:

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

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Q: When 2 mol of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at…

A: A thermochemical equation for a given reaction can be defined as the balanced stoichiometric…

Q: What is heat? How does heat differ from thermal energy? Under what condition is heat transferred…

A: Heat: Heat is a form of energy that is transferred from one body to another because of difference in…

Q: E. A chemical change involves a change in the composition of matter-the formation of a new chemical…

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Q: Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.3620 mol H2S burns…

A: Given :-  H2S (g) + O2 (g) → SO2 (g) + H2O (g)  ∆H = -187.5 kJ  To calculate :-  Given heat into…