A 189 mL solution of a dilute acid is added to 193 mL of a base solution in a coffee-cup calorimeter. The temperature of the solution increases from 22.31 oC to 25.32 oC. Assuming the mixture has the same specific heat (4.184J/goC) and density (1.00 g/cm3) as water, calculate the heat (in J) transferred to the surroundings, qsurr.
4. You mix 50.0 ml. of a weak monoprotic acid with 50.0 mL of NaOH solution in a coffee cup calorimeter. Both solutions and the calorimeter were initially at 22.8*C. The final temperature of the neutralization reaction was determined to be 41.2°C. The calorimeter constant was known to be 110.53/°C. Density Aqueous Solution - 1.00 g/mL Specific Heat of water = 4.184J/g•°C a. What is the total amount of heat evolved in this reaction? b. If 148 mmol of the...
The reaction of an acid such as HCl with a base, such as NaOH, in water is an exothermic reaction. HCl(aq) + NaOH(aq) ---> NaCl(aq) + H2O In one experiment, a student placed 55.0 mL of 1.00 M HCl in a coffee-cup calorimeter and carefully measured its temperature to be 35.5oC. To this was added 55.0 mL of 1.00 M NaOH solution whose temperature was also 35.5oC. The mixture was quickly stirred, and the student noticed that the temperature of...
LTIPLE CHOICE (4 points each) A 0.47g sample of Mg was dropped into a coffee cup calorimeter containing 200g of dilute HC. If 9400J of heat were transferred and the initial temperature was 21.04°C what was the final temperature? The specific heat capacity of the solution was 4.184J/goC. Mg(s) + 2 HC(aq) MgCl2(aq) H2(g)
Consider the dissolution of 1.50 grams of salt XY in 75.0 mL of water within a calorimeter. The temperature of the water decreased by 0.93 oC. The heat capacity of the calorimeter is 42.2 J/oC. The density of the water (and the solution) is 1.00 g/mL. The specific heat capacity of the solution is 4.184 J/goC. Identify the surroundings. Group of answer choices Salt dissolving in the water Calorimeter Water Solution and calorimeter
When 10.00 mL of a solution of strong acid is mixed with 100.00 mL of a solution of weak base in a coffee-cup calorimeter, the temperature rises from 22.6 oC to 27.6 oC. Determine q for the acid-base reaction, assuming that the liquids have densities of 1.00 g/mL and the same heat capacities as pure water.
In a coffee cup calorimeter, 50.0 mL of 1.5 M NaOH and 60.0 mL of 1.4 M HCl are mixed at 25.0oC. After the reaction, the temperature is 34.1 oC. Assuming all solutions have a density of 1.00 g/cm3 and a specific heat capacity of 4.18 J/oC g, what is the enthalpy change (kJ) for the reaction?
When 185 mL of 0.431 M HCl at 20.48 oC is mixed with 215 mL of 0.431 M NaOH at 20.48 oC in a coffee cup calorimeter, the temperature of the mixture rises to 27.8 oC. What is the heat of reaction in KJ per mole of the acid? Assume the density and the specific heat of the solution are 1.02 g/ml and 4.017 J/g.oC respectively. The heat capacity of the calorimeter is 10.0 J/oC.
In a coffee cup calorimeter, 100.0 mL of 1.00 M NaOH and 200.0 mL of 0.80 M HCl are mixed at 25.0oC. After the reaction, the temperature is 29.5 oC. Assuming all solutions have a density of 1.00 g/cm3 and a specific heat capacity of 4.18 J/oC g, what is the enthalpy change (kJ) for the balanced reaction? HCl(aq) + NaOH(aq) => NaCl(aq) + H2O(l)
A common laboratory reaction is the neutralization of an acid with a base. When 49.6 mL of 0.500 M HCl at 25.0°C is added to 52.0 mL of 0.500 M NaOH at 25.0°C in a coffee cup calorimeter (with a negligible heat capacity), the temperature of the mixture rises to 28.2°C. What is the heat of reaction per mole of NaCl (in kJ/mol)? Assume the mixture has a specific heat capacity of 4.18 J/(g·K) and that the densities of the...
please answer all Questions EXPERIMENT Heat of neutralization 1. 5.0 ml of al Macid reacts with 50 ml of IM have in a coffee cup calorimeter with a heat capacity of 10. J. C . Calculate the rise in temperature of the calorimeter assuming the density of the mixture is and given that AH,= 50. kJ/mol. JU 2. When 5.0 ml. of 1.00 M HNO3 solution at 25.0°C reacts with 5.0 mL of 1.00 M NaOH solution at the same...