When a 8.00 g sample of KCI is dissolved in water in a calorimeter that has a total heat capacity of 6.15 kJ · K-!, the temperature decreases by 0.300 K. Calculate the molar heat of solution of KCI.

Q: When a 6.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A: Heat of solution is directly proportional to the the temperature change.

Q: In a constant-pressure calorimeter, 50.0 mL of 0.350 M Ba(OH), was added to 50.0 ml. of 0.700 M HCI.…

A:

Q: 226 kJ of heat increases the temperature of 47.0 kg of copper by 12.5 ℃, what is the molar heat…

A:

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: In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH), was added to 70.0 mL of 0.680 M HCI.…

A: Total volume = 70.0+70.0 mL = 140 mL Specific heat = 4.184 g/mL Mass = 4.184g/mL × 140 mL = 585.76 g…

Q: Define molar heat capacity. O the quantity of heat required to change a system's temperature by 1°C…

A: Molar heat capacity is defined as the quantity of heat required to raise the temperature of one mole…

Q: When a 5.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: We know that, ΔH = -Ccal x ΔT where Ccal is the heat capacity of the calorimeter and ΔT is the…

Q: is the amount of heat required to increase the temperature by 1.0 °C of a 1.0 g substance. O…

A:

Q: The heat energy required to raise the temperature of one gram of a substance one kelvin at constant…

A: The required heat energy to raise the temperature of the substance by one kelvin at constant…

Q: Formation of carbon dioxide gas from (graphite) and oxygen, yields 393. 5 kJ of heat.

A: To find: The equation for the formation of carbon dioxide gas from  (graphite) and oxygen yields…

Q: When a 4.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A: Heat of solution is the heat absorbed or given out when the salt is dissolved.

Q: When a 7.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: When a 4.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: Given,4.00 g sample of KBrTotal heat capacity of 3.04 kJ K-1.The temperature decreased by 0.220…

Q: What is the molar heat capacity of water?

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: When 4.51 g of a solid mixture composed of NH¼CI and CaCI2 was dissolved in 100.0 mL of water, the…

A:

Q: In a constant-pressure calorimeter, 50.0 mL of 0.320 M Ba(OH), was added to 50.0 mL of 0.640 M HCI.…

A:

Q: How much heat (q) is needed to increased the temperature of 10 grams of water by 15°C? Water…

A: Given: The heat capacity of water, (C) = 4.184 J/g°C The mass of water, (m) = 10 g. The change in…

Q: The heat of formation of H2SO4 is -909.27 kj/mol. Give the thermochemical equation for the formation…

A: Here we are required to show the formation of aqueous sulphuric acid

Q: What is a standard state? What is the standard enthalpy change for a reaction?

A: Standard state of a material is the reference point  that is used to calculate its properties under…

Q: when a 6.00 g sample of KBr is dissolved in water in calorimeter that has a total heat capacity of…

A: The heat of the reaction when 6 g of KBr is dissolved can be calculated as,

Q: 46.0 g of a mercury alloy is heated from 20.0°C to 105.°C, and absorbs 550. joules of heat in the…

A: q = mc∆T  q is heat , m is Mass , c is specific heat capacity , ∆T is the difference in temperature…

Q: State the law of conservation of energy. How does it relate to energy exchanges between a…

A: For an isolated system, its total energy remains constant. The energy of system will change if it…

Q: Define standard enthalpy.

A:

Q: In a constant-pressure calorimeter, 60.0 mL of 0.300 M Ba(OH), was added to 60.0 mL of 0.600 M HCI.…

A: The balanced reaction taking place can be written as, => 2 HCl (aq) + Ba(OH)2 (aq) --------->…

Q: 49.85 grams of solid silver carbonate is dissolved in the calorimeter and the temperature goes from…

A:

Q: The

A: We will calculate ∆H

Q: In a constant-pressure calorimeter, 50.0 mL of 0.340 M Ba(OH), was added to 50.0 mL of 0.680M HCI.…

A:

Q: When a 6.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: We have to calculate the molar heat of solution.

Q: When a 2.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: The standard enthalpy of formation of hydrogen chloride gas, HCI(g) is -92.31 kJ/mol. Write the…

A: The objective of the question is to write the thermochemical equation to represent formation of…

Q: Why were we not able to simply use the specific heat capacity of water, 4.184 J/g°C?

A: Given that: Volume of water used = 100 mL specific heat capacity of water = 4.184 J/g oC Change in…

Q: When a 3.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: Heat capacity is defined as the total amount of heat supplied to a body to bring a unit change in…

Q: Provide the definition of the second law of thermodynamics. How does the second law explain why heat…

A:

Q: When salt (NaCI) is dissolved in water, the molar enthalpy of solution (AHsol) is +3.9kJ/mol. If 40g…

A:

Q: Which of the following processes always results in an increase in the energy of a system? O The…

A: Which of the following processes always results in an increases in the energy of a system has to be…

Q: Calculate AH (in kJ/mol NaOH) for the solution process NaOH(s)Na+ (aq) + OH (aq) Assume that the…

A: As the temperature of the solution rises therefore the dissolution process of NaOH is exothermic.…

Q: b.Calculate the specific heat (J/g C) of Aluminum,

A:

Q: The amount of energy required to raise the temperature of a substance by 1 K (1 °C) is its heat…

A: We have to conclude what is the term called in chemical thermodynamics when 1g of substance is…

Q: In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH), was added to 70.0 mL of 0.680 M HCI.…

A:

Q: In a constant-pressure calorimeter, 55.0 mL of 0.300 M Ba(OH), was added to 55.0 mL of 0.600 M HCI.…

A: Given, Ba(OH)2 taking part in reaction = 55.0 mL of 0.300 M HCl taking part in reaction = 55.0 mL of…

Q: When a 7.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: If 50.0 g of water change in temperature from 22.5 to 25.4 deg C and the specific heat capacity of…

A: Amount of heat required is given by, q =m.c.∆T where q is the heat required, m is the mass, c is the…

Q: The enthalpy for the formation of 1 mole of NH3(aq)NH3(aq) is -80.29 kJ/molkJ/mol. What is the…

A: The standard molar enthalpy of formation is defined as the standard change in enthalpy for the…

Q: If the molar mass of water is 18.02 g/mol and the specific heat of water is 4.184 J/g.◦C, calculate…

A: The molar mass of water = 18.02 g/mol. The specific heat of water = 4.184 J/g.◦C Molar heat capacity…

Q: What is meant by the term standard conditions with reference to enthalpy changes?

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: How much energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC?…

A: Given, The energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC…

Q: The specific heat capacity of copper is 0.384 J/g⋅°C. What is the molar specific heat capacity of…

A:

Q: A system absorbs 1.54E2 kJ of heat and the surroundings do 1.118E2 kJ of work on the system. What is…

A: 2.618E2 = 2.618 * 10^2 kJ

Q: When a 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: First, we will calculate the enthalpy change and then convert that heat into a molar quantity.  ΔH =…