1. How much heat (in joules) must be used to raise the temperature of 185 g of water from 15 °C to 96 °C ?

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: If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the…

A: Given, mass of methanol = 94 g C= 2.51 J/K g Tf = 79°C = 273+79 = 352 K Ti = 26°C = 273 + 26 = 299 K…

Q: What was the initial temperature (in oC) of a 38.13 g sample of aluminum (specific heat = 0.900 J/(g…

A: Given :-  Mass of substance = 38.13 g  Specific heat = 0.900 J/g.K  Heat  = -1.077 kJ  Final…

Q: How much heat must a 30.0 g sample of water absorb to raise its temperature from 22.0 ∘C to 67.0 ∘C?…

A:

Q: What is the specific heat of silver if it takes 75.8 cal to raise the temperature of a 85g silver…

A: The specific heat of silver is calculated by using the following formula,

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

A: Given information: Mass of water = 250 g Initial temperature (Ti) = 22 oC Final temperature (Tf) =…

Q: How many kilojoules of heat energy are going to be absorbed by a pot of water with the mass of 200.…

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

Q: 39. How much would the temperature of 275 g of water increase if 36.5 kJ of heat were added? * O…

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Q: Use the thermodynamic data in the table below to calculate how much heat in kJ is required to change…

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Q: A generic solid, X, has a molar mass of 84.1 g/mol.84.1 g/mol. In a constant‑pressure calorimeter,…

A: Given: The mass of solid and water is 22.3 g and 213 g, respectively. The initial and final…

Q: . How much heat is absorbed by 20g granite boulder as energy from the sun causes its temperature to…

A:

Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

A: Equation for finding the heat absorbed by brass is as follows. Q=mc∆TQ=heat absorbed by brassm=mass…

Q: During a strenuous workout, an athlete generates 2210 kJ of heat energy. What mass of water would…

A: Q = nΔHvap   where Q is the heat dissipated by the systemn is moles of the compoundΔHvap is the heat…

Q: How much heat must be absorbed to raise the temperature of 1.0 mole water from 0.0 °C to 25.0 °C?…

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Q: What is the specific heat of the rock?

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Q: How much heat is required to raise the temperature of 789g of liquid ammonia, form 25°C to 82.2°C?

A: Given: The mass of liquid ammonia is 789 g. The initial temperature is 25oC. The final temperature…

Q: 7. Using specific heat as your justification, why is the poolside concrete hotter than the pool…

A: Cement may be a solid, comparatively dark (compared to polished metal), and a comparatively…

Q: How much heat in kJ is needed to raise the temperature of 130.0 g of water from 15 °C to boiling…

A: Given, amount of water =130.0 ginitial temperature =15 °Cfinal temperature(boiling point of water)…

Q: A chemist dissolved an 12.9-g12.9-g sample of KOHKOH in 100.0 grams100.0 grams of water in a coffee…

A: A.) To calculate the heat required , we would use the formula , q = m × C × dT  B.) To calculate the…

Q: The temperature of a beaker containing 194 mL (density of water is 1 g/mL) of water changes from 16…

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Q: What is the sensible h

A: by addition of heat to a object its temperature rises, the increase in heat is called "sensible…

Q: How much heat (kJ) is absorbed by 948.0 g of water in order for the temperature to increase from…

A:

Q: How much heat is gained when the temperature of 288 g of liquid water is raised rom 100 °C to 125…

A: We have to tell which option is correct from given choices of options by finding specific heat…

Q: What is the specific heat of a solid that requires 124 J to raise the temperature of 95.5 g of the…

A: The given data contains, mass = 95.5 g. heat = 124 J.

Q: 9.  If 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature…

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Q: Calculate the amount of heat absorbed by 100 g of water that warms from 100 K to 273 K.

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Q: How much heat? 3kg water, 0oC--> 100oC

A: We have :Mass of water = 3 kgInitial temperature = 0 °CFinal temperature = 100 °CSpecific heat of…

Q: How much heat in Joules must be used to raise the temperature of 0.340 kg of water from 28oC to…

A: Given information: Mass of water = 0.340 kg Initial temperature for water (Ti) = 28 oC Final…

Q: How much heat is required to warm 1.50 kg of sand from 25.0 °C to 100.0 °C?

A:

Q: When 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution…

A: Given that,mass of NaOH ,ms= 0.8 gmass of water, mw = 100 gInitial temperature = T1 = 25oCFinal…

Q: 4. The specific heat of water is quite high at 4.184 J/gC. Explain how life on this planet would be…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: How much heat is absorbed by liquid water that weighs 550 grams as it is heated from 25C to 95C?

A: Given, mass of water m= 550 g T1=25 ℃  T2=95℃ Cp for water = 4.184 J g-1℃-1 heat q=?

Q: How much heat is required to raise the temperature of 854 g of H2O from 23.5 °C to 85.0 °C?

A: 4.  Given :  Mass of H2O = 854 g  Initial temperature = 23.5 °C  Final temperature = 85.0 °C  To…

Q: 1. How much heat, in calories, does it take to raise the temperature of 814 g of water from 18.0°C…

A: Heat energy can be calculated by using the formula : Q = m×s×ΔT    -------(1) Where, Q is heat…

Q: Calculate the heat required (Joule) to remove from 1 kg papaya juice that contained 86% water if the…

A: Specific heat of water is 4.184 J/g-K . Heat(Q) = m×C×∆T

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

A: Given, mass = 20 grams + 95 gram = 115 gram ∆T=T2 - T1      = 30-40       =-10 oC c = 1.1cal/g oC ∆Q…

Q: 7.41 g Ca(OH)2 dissolves in 50.0 g of water in calorimeter. The initial and final temperatures c the…

A:

Q: 6. The autoionization constant of water (Kw) has a value of 2.00 x 10-14 at 25.0°C. This value…

A: Autoionization of water is the self ionization of water to produce H3O+ and OH- ions.The equation is…

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: If the specific heat of methanol is 2.51 j/k-g, how many joules are required to raise the…

A: specific heat of methanol = 2.51 J/K-g amount of methanol = 50 g  initial temperature = T1 = 20 oC…

Q: How much energy (in kJ) is required to heat 100.0 g H2O from a liquid at 76°C to a gas at 132°C?

A:

Q: How much energy must be absorbed by 20.0 g of water to increase its temperature from 283.0 °C to…

A: The answer is given as follows

Q: 15. The enthalpy change CH,(g) + 20,(g) → CO,(g) + 2H,O(1) breams is -891 kJ for the reaction as…

A: Given :

Q: How much heat is required to raise the temperature of a 825 g block of wood (specific heat = 1.8 %3D…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: Define the specific heat capacity of water. What units are used for this value? How much heat is…

A: 1. Solution - Specific heat is defined by the amount of heat needed to raise the temperature of 1…

Q: 1.15 g of LiCl (42.39 g/mol) is dissolved in 25.0 g H2O in a constant-pressure calorimeter and the…

A: Given that 1.15 g LiCl was dissolved in 25.0 g water. Number of moles can be calculated from the…