A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C, what is its final temperature? Express your answer using two significant figures. B) When 47.1 J of heat is added to 13.8 g of a liquid, its temperature rises by 1.74 ∘C. What is the heat capacity of the liquid?

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

Q: A 277.7 gram sample of copper is initially at 26.5 °C, and it absorbs 17.22 kJ of heat from its…

A:

Q: When 762 joules of heat is added to a sample of solid copper (Cu), the temperature rises from 18.2…

A: We will use formula of heat

Q: 1.00 kg of Cu at 42 degrees Celcius is placed into 100. g of water at 15.0 degrees Celcius. The…

A: Loss of heat by the metal = Gain of heat by the water.

Q: Joules (J) are a measure of energy.  Chemists often measure energy in calories (cal).  If 1 cal =…

A:

Q: How much heat energy is required to raise the temperature of 0.366 kg of copper from 23.0 ∘C to 60.0…

A: The heat energy required to raise the temperature can be calculated as follows,

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: The question is based on the concept of unit conversions. We need to convert the given quantity into…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: Given , 1 cal = 4.184 J 1kcal = 1000 cal

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.91kg sample…

A: Given: mass of substance = 1.91 kg = 1910 g Temperature change = 0.6°C to 15.5°C Heat needed = 3.96…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: We know that,  Q = mc∆T  Where, Q = heat  m = mass  C = specific heat  ∆T = Change in temperature =…

Q: A 70.0 gram metal bar is heated to 256 celsius then submerged into a well insulated calorimeter…

A: Given mass of metal bar Mb = 70g  Mass of water Mw = 50g  Complete solution is given below in next…

Q: When NH4Cl(aq) reacts to form NH3(g) and HCl(aq), 21.07 kcal of energy are absorbed for each mole of…

A: We have to determine the value of ∆H for the given reaction

Q: A 12.42 g of water releases 5239 J of heat. The initial temperature of water is 56.23 degrees…

A: Given data,  Mass of water (m) = 12.42 g  Heat released (q) = 5239 J  Specific heat of water (C) =…

Q: q= 4.184 heat energy in joules. Use the formula: q=(m)(c)(ΔT) where m=mass of water being heated in…

A:

Q: A piece of plastic at 159 °C was put in a beaker with 132.6 g ethanol at 22.2 °C. The temperature of…

A:

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  868.0mg…

A: Answer:Here:

Q: When (3.4100x10^2) Joules of heat are added to a sample, the temperature increases from…

A:

Q: Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken…

A: We have to convert 119 KJ = ? KCal

Q: An amount of food is burned and releases 6800.0 calories of energy. What mass of water can be heated…

A: The amount of heat transferred in a system is calculated as follows,…

Q: Suppose you heat a metal object with a mass of 30.1 g to 95.4 degrees celsius and transfer it to a…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: A certain physical process requires 36.00 kilojoules (kJ) of heat.  Convert this quantity to…

A: Given : Energy in KJ = 36.00 KJ

Q: equivalent

A:

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Given data : Mass of copper(mc) = 18.9 gms Temperature of copper(Tc) = 99.38°C Mass of water(mw) =…

Q: The temperature of a sample of water changes from 10°C to 20°C when the water absorbs 100 calories…

A: In this question, we want to calculate the mass of the sample.  How we can calculate, I will give…

Q: A 58.28 gram sample of a material with a specific heat of 1.971 J/g•°C is heated from 21.3°C by…

A:

Q: What is the specific heat of lead if it takes 98.0 J to raise the temperature of a 75.4 g block by…

A: Given :- heat absorb = 98.0 J  mass of lead block = 75.4 g  change in temperature of block = 10.5°C…

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: The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to…

A: The objective of this question is to find out how long it would take for an athlete to burn off 1.0…

Q: How much heat, in Joules, is absorbed by 54 g of water in order to increase in temperature from 18°C…

A: Given that:  Mass of water = 54 g Increase in temperature , t =  (55-18 )oC = 37 oC

Q: chemistry

A: Dear student I have given answer to your question in the image format.

Q: 107 g of Cu at 108.9°C was added to 258.7 g of H2O at 17.4°C.  If the specific heat of copper is…

A: Copper Mass m = 107 g C = Specific heat of copper = 0.389 J/g.°C Initial temperature Ti = 108.9°C…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 823.0g sample…

A: Given;

Q: It took 4.15x 10^3 J energy to raise the temperature of a piece of copper metal from 31 degrees…

A: The energy required to raise the temperature of a metal ion by 1oC is called its specific heat (Cs).…

Q: It took 2.500 × 10³ J to raise the temperature of a sample of water from 16.7 °℃ to 36.3 °C. Convert…

A: The objective of the question is to convert the energy in Joules to calories. In the field of…

Q: 227.9 Joules of heat are added to 25.96 grams of a liquid, raising the temperature of the liquid…

A: Heat added= Cp*m*∆T  Cp specific heat capacity  m is mass  ∆T change in temperature