According to the nutritional information on a package of jasmine rice, each serving (1/4 cup or 45 g) contains 160 Calories (kcal) of energy. If 1.020 g of jasmine rice is burned in a bomb calorimeter initially at 25.71°C and having a heat capacity of 8482 J/°C, what will be the final temperature of the calorimeter when the reaction is complete?

Q: Consider the compound NH4Cl, ammonium chloride, having a molar mass of 53.491 g/mol. Nicole weighs…

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

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

A: When hot metal is poured into the calorimeter, the metal releases heat, and the water and…

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

A: The heat released or gained by a substance is given as: q=mc∆T

Q: 4. When 155 mL of water at 20.0°C is mixed with 75.0 mL of water at 80.0°C, what is the final…

A:

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

A:

Q: 5. Solid ammonium chloride is added to water in a beaker and dissolves. The beaker becomes cold to…

A: a) The system consists of beaker/container containing solid ammonium chloride dissolved in the…

Q: Consider the following thermochemical equation for the combustion of acetone, C3H6OC3H6O, the main…

A: The given reaction, C3H6O(l) + 4O2(g)→3CO2(g) + 3H2O(g) Volume of acetone = 183 mL Density of…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Mass of CuCl2 = 4.07 g   mass of water = 109.30 g  Hence, mass of solution m = (4.07 g) + (109.30 g…

Q: A 10 g piece of copper at 145 oC is placed in 150 mL of water. The initial temperature of water is…

A:

Q: Equal volumes, 50.0 mL, of 0.54897 M solution of HCl and 0.9573 M NaOH solutions having an initial…

A: Given- Volume of HCl solution = 50.0 ml Molarity of HCl solution = 0.54897 M Volume of NaOH solution…

Q: Two amounts of 50.0 g of water, at 13.0 and 55.0 °C, respectively, were mixed inside a cup. If the…

A: heat capacity = m C ΔT m = 50 g C = 4.18 J/g c ΔT = 55-13 = 42 c

Q: Q16. Convert a pressure of 99.37 kPa to units of atm (atmospheres).

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Q: 0.26g CH4 are burned and all the heat added to a silver cup with 90g H2O(l) inside. If the water was…

A: The combustion reaction of CH4 is => CH4 + 2 O2 --------> CO2 + 2 H2O Since the ΔH of reaction…

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

A: 11) Since the heat transferred to the water is given by  qwater = mwater Cs,water ∆T   where mwater…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 236.0 mg sample…

A: We know that q = mc∆T ....(1)  q = heat required = 3.7 J, ∆T = increase in temperature = 11.6 °C…

Q: reaction

A: Dear student this question is related to enthalpy change.

Q: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150. g of water initially at 26.0°C…

A: This is the thermo-equilibrium situation.  Loss of heat of the metal = Gain of heat by the water

Q: Your favorite snack undoubtedly has a nutrition label that indicates the total number of calories…

A:

Q: 5. To determine whether a shiny silver-colored rock is actually silver, a chemistry student decides…

A: GIVEN:-

Q: Consider the reaction C12H22011 (s) + 12 O2 (g) → 12 CO2 (g) + 11 H20 (1) in which 11 g of sucrose,…

A: Given data: Mass of sucrose m =11g, Heat capacity C = 7.50 kJ/ o C Change in temperature dT = 21.6 o…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  1.80kg…

A: The question is about calculating the Specific Heat Capacity of the Substance. Firstly, let's write…

Q: How many milliliters of water at 3.16°C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A:

Q: If 0.050 mol hydrochloric acid (HCl) is mixed with 0.050 mol of sodium hydroxide (NaOH) in a "coffee…

A: Given : Mass of solution = 183 g  Initial temperature of solution = 25.2 °C Final temperature of…

Q: In a calibration of a calorimeter, 50.3 g of water at 60.5 degrees celsius is added to 48.7 g of…

A: Given : mass of cold water = 48.7 g Mass of hot water = 50.3 g Initial temperature of hot water =…

Q: In your own words, explain how the pressure of a gas would be affected by changes in temperature, by…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant T =…

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

A: Since the heat transferred to the water is given by  qwater = mwater Cs,water ∆T where qwater = heat…

Q: Is the dissolving of ammonium chloride an endothermic or exothermic process?

A: From the above data we are supposed to find whether it is a endothermic or an exothermic reaction…

Q: A student heats 61.27 grams of silver to 97.71 °C and then drops it into a cup containing 82.16…

A:

Q: When 7 grams of salicylic acid, C7H6O3, burns in a bomb calorimeter, the temperature increases from…

A:

Q: How many milliliters of water at 31 °C with a density of 1.00 g/mL must be mixed with 95.0 mL (about…

A: Given: Initial temperature of water=31 degree celciusdensity =1.00g/mlvolume of coffee(m2)=95…

Q: In addition to calculating specific heat capacities, some calorimeters can be used to determine how…

A: A) The number of Joules in 1 calorie = 4.184 J.

Q: nickel to 97.93 °C and then drops it into a cup containing 75.96 grams of water at 20.90 °C. She…

A: Given :  Mass of nickel = 69.43 gm  Initial temperature of nickel = 97.93 °C  Mass of water = 75.96…

Q: chemistry professor has a cup of coffee containing 50.0 mL of room temperature coffee at 25.0 °C.…

A: V1= 50ml and density = 1g/ml So mass(m1)= density * volume                   m1 =   (1g/ml)*(50ml)…

Q: Find the heat (in J) transferred to the water, qwater, during the process NH4Cl (s) --> NH4Cl (aq).…

A: From the above data we are supposed to calculate the value of heat trasnferred in J

Q: 1.) When gasoline burns in an automobile engine, the heat released causes the products CO2 and H20…

A:

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

A: Given: Mass of nickel = 63.29 g. Initial temperature of nickel = 97.88 oC Mass of water = 76.34 g.…

Q: A student measures the following data regarding the heat of fusion of ice: 24.8 g ice at 0.0°C is…

A: Given: Heat capacity of calorimeter = 15.4 J/oC Initial temperature of calorimeter and water = 21.5…

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

A:

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

A: 11) Since the heat transferred to the water, qwater, during the process NH4Cl (s) -----> NH4Cl…

Q: What is the final temperature (in degrees Celsius) when 1940 J of energy are put into a 250…

A: We have to predict the final temperature.

Q: 2. An 88.5 gram piece of iron initially at 78.8°C is place in a beaker containing 244 grams of water…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 286.0 g sample…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  1.10kg…

A: Using the relation Q=mCΔT we can find specific heat capacity of substance.

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: A 43.9 g spoon made of pure silver (c = 0.235 J/g C) at 20.1 celcius is used to stir an 8 oz. (240…

A:

Q: If 4.168 kJ of heat is added to a calorimeter containing 75.40 g of water, the temperature of the…

A:

Q: 110. Quinone is an important type of molecule that is involved in photosynthesis. The transport of…

A:

Q: A 27.5g piece of aluminum sits in a room and cools.  It loses 6120.0 J of heat. If the initial…

A: Mass of Aluminum piece = 27.5 gHeat loose = - 6120 JInitial Temperature = 157.3°CFinal Temperature =…

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

A:

Q: A glass containing 200. g of H2O at 20C was placed in a refrigerator. The water loses 11.7 kJ as it…

A: Consider the given information is as follows; Mass of water = 200. g Heat loses (q) = -11.7…