Water has a specific heat of 4.18 J/goC. If 35.0 g of water at 98.8oC loses 4.94 kJ of heat, what is the final temperature of the water?

Q: If the specific heat of a solution is 4.18 J/goC, and you have 161 mL (1.03 g/mL) which increases in…

A: Mass of solution in grams is determined as follows,

Q: How much heat is needed to warm 250 g of water (about 1 cup) from 22 °C (about room temperature) to…

A: The heat required to raise the temperature can be calculated by using the equation, Q= m c ΔT…

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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Q: If 11.96 kJ of heat is given off when 41.9 g of unknown acid condenses from vapor to liquid, what is…

A: Given data : 11.96KJ  Given mass of unknown acid-41.9g Molar mass of unknown mass 49.15g/mol

Q: A quantity of 505 J of heat are added to 11.3 g of water at 28.3 °C. What is the final temperature…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: A 125-g piece of aluminum (specific heat of 0.900 J/gC) is heated to 95°C and placed into a 375-g…

A: Solution:- Mass (m) of aluminium piece = 125 g  Specific heat capacity (ca) of aluminium = 0.900…

Q: Because water has such a hyh specific heat capacity, it heats and cools more slowly than land. How…

A: Water has a high specific heat capacity which means that water needs more energy to raise its…

Q: 2. A solution is formed by combining 10 mL of solution A and 40 mL of solution B. Find out the heat…

A: We know that  Heat change of the reaction is  Qreaction = - Q calorimeter  = - m × C × ∆T And, the…

Q: A 7.03 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: We know during the process of any reaction, heat gained  = heat lost . For above the formula used…

Q: The evaporation of water is endothermic:         H2O(l)  + 44.01 kJ   -------->   H2O(g)       If…

A: Endothermic reaction is a reaction in which heat is absorbed.

Q: Mass of water 5.678 g Ti 2.33 Tf -21.33 a. calculate the heat lost when the mass of water (g)…

A: This problem is based on phase tranfer of matter . Here water transform from water to ice from…

Q: If 14.5 kJ of heat were added to 485 g of liquid water, what would be the increase in temperature?…

A: Concept introduction- Specific heat- It is the amount of heat required to raise the temperature of…

Q: A solution formed by combining 10 mL of solution A and 40 mL of solution B. Find out the heat of…

A: Specific heat ( s) :- The amount of heat required to rise the temperature of 1 g of a substance…

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

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Q: when 20 grams of salt is dissolved in 95 grams of water the temperature of the solution decreases…

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Q: What is the specific heat of 54.8 g of a substance that releases 445 Joules of heat upon cooling…

A: q = mc∆T  q is the amount of heat energy released m is the mass of substance  c is the specific heat…

Q: A 217.3 g water bath is heated to 99.7 ˚C from 22.5 ˚C.  How much heat was absorbed by the water, in…

A: Given, mass of water =217.3 g initial temperature, Ti=22.5 °C final temperature, Tf=99.7°C specific…

Q: A new alloy is designed for use in a car radiator. If the 17.6 kg radiator required 8.69 × 105 J of…

A:

Q: A quantity of 505 J of heat are added to 11.3 g of water at 28.3 °C. What is the final temperature…

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

Q: Which sample is most likely to undergo the smallest change in temperature upon the absorption of 100…

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Q: Energy in the amount of 460 J is added to a 25.0 g sample of water at a temperature of 15.0 °C. What…

A: we can use the formula:-Q=m·s·∆TQ=Heat addedm=masss=specific heat∆T=(Tf-Ti)=(Final…

Q: Determine the final temperature of a 32.3 mL salt solution initially at 21.05ºC when 1.93 kJ of heat…

A: Volume of solution(V) = 32.3 mL Density of solution(d) = 1.235 g/mL Mass = V × d   = 32.3 × 1.235 =…

Q: What quantity of heat (in kJ) would need to be removed to cool 121.1 g of water from 25.60°C to…

A: Amount of heat need to be removed to be cool means heat energy required to decrease the temperature.…

Q: 1. What is one potential use for substances that have a large amount of chemical potential energy?…

A: Energy can be expressed in various units such as cal, Kcal, Joules, kilojoules etc.  The given…

Q: The evaporation of water is endothermic:         H2O(l)  + 44.01 kJ   -------->   H2O(g)       If…

A: To find mass of water that will evaporate.

Q: Examples 1) A calorimeter containing 200.0 g of water at an initial temperature of 25.0 °C was used…

A:

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: Cooking an egg is one type of process, while the formation of snow is another. Which answer best…

A: In Endothermic  Reaction  Heat is absorbed  while in Exothermic  Reaction  heat is Released.

Q: Directions: Please complete this worksheet on a separate piece of paper. 1. What is the specific…

A: Given :  1. Mass of aluminum = 28.4 gm   Heat given = 207 J Increase in temperature = 8.1 ° C  2.…

Q: A solution is made by mixing 197.3 g of ethanol initially at 10.5°C with 250.0 g of water initially…

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

Q: How much energy (in Calories, ie. kcal) was produced by burning the Goldfish?  (Specific Heat of…

A: Mass of water = 100.116 g Change in temp. = 5.1°C = 5.1 K Specific Heat Capacity of water = 4.184…

Q: What is the specific heat of an unknown substance if a 2.50 g sample requires 12 calories as its…

A: Firstly, we have to calculate specific heat using the formula: Q=mc ΔT Then, we will compare it with…

Q: How many kilojoules of heat are absorbed when 2.00 L of water is heated from 12.5°C to 93.5°C?

A: Mass= density×volume  Mass= 1×0.002=0.002gm Now  Q=mc∆T Q= 0.002×4.18×(93.5-12.5) Q= 0.067×10-6kj

Q: How much heat (in kJ) would need to be removed to cool 168.3 g of water from 25.60°C to -10.70°C?

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Q: What is the specific heat of a metal that has a mass of 12.9 g, and absorbs 301 cal of heat when the…

A: Specific heat- It is the amount of heat required to raise the temperature of 1g of substance by 10…

Q: Because water has such a high specific heat capacity, it heats and cools more slowly than land. How…

A: Given that,

Q: 1. If 100g of liquid water is heated from 2°C to 8°C how much heat energy in calories is applied? 2.…

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Q: Energy to raise 14.5 g of water from 25.0 °C to 35.0°C. The specific heat of water is 1.00 cal /…

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Q: The table lists the specific heat values of several substances. Substance Specific heat (cal/g. C)…

A: Specific heat capacity: The amount of heat required to increase the temperature of one gram of a…

Q: How much heat is needed to raise the temperature of a 2.5 g piece of copper wire from 20. °C to 80.…

A: When the temperature rise of a 1 g of substance takes place by 1°C, some amount of heat is required…

Q: 2. A solution is formed by combining 10 mL of solution A and 40 mL of solution B. Find out the heat…

A: 2). given : 10 ml solution of A  40 ml solution of B

Q: was told to resubmit this question.  1. The heat of this reaction is -15.22 kJ. What is the change…

A: First consider that, this much amount of energy released from 1g stomach acid ( we can consider that…

Q: When 3.02 g of NH,CI is dissolved in enough water to make 20.05 ml of solution, the temperature…

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Q: How much heat must be absorbed by 375 grams of water to raise its temperature by 25° C? Specific…

A: Given, mass = 375 g  Specific heat, c = 4.184 J/g°C  Heat = ?

Q: Explain the concept of specific heat and how the specific heat of water enables the human body to…

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Q: A 7.50-g piece of iron at 100.0°C is dropped into 25.0 g of water at 22.0°C. Assuming that the heat…

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Q: when 20 grams of salt is dissolved in 95 grams of water, the temperature of the solution decreases…

A: When the solute is dissolved in the solution and the amount of heat released is known as the heat of…

Q: How much heat is required to raise the temp. of 10.58 g sample of iron from 25.0 degrees C to 79.8…

A: Given, mass of iron sample m = 10.58 g  specific heat of iron C = 0.450 Jg°C  Initial temp. T1 =…

Q: In order to break water into hydrogen and oxygen, water is heated to more than 500°C. Which kind of…

A: We have to predict the kind of reaction and reason.

Q: The “Miracle Thaw” is a device that defrosts frozen foods more quickly than when left out to the…

A: Specific heat is the heat required to raise the temperature of a substance through 1 deg. celcius.