You are asked to calibrate a 25 mL volumetric pipet. You determine that the temperature of your distilled water is exactly 24.5 degrees Celsius. You carefully determined the mass of a clean dry beaker and found that it was 57.5513 g. You pulled water up to the mark and transferred this to the beaker and found that the new mass was 82.9344 g. What is the actual volume of the pipet? The density of water at 24.5 degrees Celsius is 0.997983 g/mL.

Q: Distinguish between heat and temperature, using examples to clarify your definitions.

A: Temperature is used to describe the average kinetic energy of a molecule. Heat transferred from hot…

Q: Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of…

A: The mass of CO2 produced when 5.10 x 102 kJ of energy is produced is calculated as,   393.5 kJ of…

Q: A backpacker wants to carry enough fuel to heat 2.0kg of water from 25 degrees C to 100.0 degrees C.…

A: Given,Mass of water = 2.0kgInitial temperature = 25 degree CelsiusFinal temperature = 100 degree…

Q: Choose all of the processes from below which describe changes which are independent of the path by…

A: a) The given process is independent of the path.    b) The given process is dependent of the path.…

Q: On which temperature scale (F, C, or K) does 1 degree represent the smallest change in temperature?

A:

Q: An office heater puts out 2010 Btu (British thermal units) of energy in the form of heat per hour.…

A: Given: Amount of energy produced per hour = 2010 Btu/hr .

Q: Which of the following objects has the greatest kinetic energy?a 5000 kgtruck moving at 10 km/h (

A: Kinetic energy = ½ mv2 M = 5000 kg, V = velocity = 10 km /h

Q: 123. In a grammatically correct sentence or two (and in your own words), describe what heat and…

A: Heat and temperature, both are very important thermodynamic quantities. They both are quiet…

Q: A student obtained a clean flask. She weighed the flask and stopper on an analytical balance and…

A: Given data,Mass of filled flask=49.379gMass of empty flask=22.534gTemperature=21oC

Q: A list of the calorie content of foods indicates that a 10 oz chocolate thick shake contains 333…

A:

Q: How is kinetic and potential energy differ?  How are they related?  Please cite an everyday…

A: When an object is at rest the body is said to possess potential energy. in another case when the…

Q: A student obtained a clean flask. She weighed the flask and stopper on an analytical balance and…

A: Given that : The mass of the flask and stopper (empty flask) = 22.534 g The mass of flask filled…

Q: Assuming the density of the wine to be 1.0 g/mL, what is the caloric content due to the alcohol…

A: Given: The heat of combustion of ethanol=-1367 kJ/mol The wine contains, by mass 12.1% ethanol The…

Q: You are asked to calibrate a 25.00 mL volumetric pipet. You determine that the temperature of your…

A: Here we have to calibrate the pipet using mass and density of water.Given,mass of water transferred…

Q: A 571.4 mL sample of carbon dioxide was heated to 371 K. If the volume of the carbon dioxide sample…

A: According to ideal gas equation, temperature is directly proportional to volume of the gas.  ideal…

Q: Equal masses of the 3 substances were left to sit in the sun at the same time and for the same…

A: Answer :- Lithium  Lithium has largest specific heat value, it heated slowly compared to Titanium…

Q: Measuring the change in temperature versus time upon addition of a hot metal specimen to 10.43 mL of…

A: Given, Initial temperature, Ti=27.09°C Equation of line : y = -0.121 x + 36.2 Volume = 10.43 mL

Q: give a specific example of a process that has the energy changes and transfers described. (For…

A: From the first law of thermodynamics, In an adiabatic process, there is no thermal contact between…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 126.0 g sample…

A: Specific heat capacity is the amount of heat required to raise the temperature of a substance by 1…

Q: A 26.9 g rock rolls down the hill at a speed of 81.9 m/s. What is the Kinetic energy of the rock? (…

A: given mass of rock(m) = 26.9*10-3kg speed of rock(v)= 81.9 m/s kinetic energy (KE) =?

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water…

A: The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed with 1.5…

Q: Which of the following objects has the greatest kinetic energy?(a) a 500-kg motorcycle moving at 100…

A: Given data: mass, m = 500 Kg velocity, v = 100km/hr

Q: Which of the following objects has the greatest kinetic energy?a 10,000-kg truck moving at 5 km/h (

A: The given data: Mass, m= 10000 Kg  Velocity, v = 5 km/hr

Q: 67.3 g sample metal with specific heat of 0.246 J/g degrees celsius is heated by 1693 J of energy.…

A: Given data: Mass of metal (m) = 6.3 g, Specific heat of metal (c) = 0.246 J/g o C, Energy (E) = 1693…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 339.0 g sample…

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

Q: What is the specific heat capacity of iron (in J/(g°C)), if 51.5 J is required to raise the…

A: We will calculate specific heat

Q: 1.  The rusting of iron is due to its reaction with oxygen. An iron nail weighing 8.531 g was left…

A: The balanced chemical equation for rusting of iron is given by

Q: If a 10.5 gram sample of iron requires 784.35J of energy to raise the sample to a final temperature…

A:

Q: The average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour?

A: Given, energy burns by human in a day=2×103 kcal  In a day, there are 24 hours.  In 1 hour,energy…

Q: You are asked to calibrate a 25.00 mL volumetric pipet. You determine the temperature of your…

A: To calculate the volume of pipet we require the mass and density of water.The empty mass of beaker…

Q: Convert 780. J to kJ

A: Given :  We have to convert 780 J to KJ.

Q: If you combine 440.0 mL of water at 25.00 degrees celsius and 130.0 mL of water at 95.00 degrees…

A: Upon mixing water samples of different temperatures, the mixture obtained has a temperature…

Q: An office heater puts out 2030 Btu (British thermal units) of energy in the form of heat per hour.…

A: 1 day = 24 hours So, 365 days = (24×365) hours = 8760 hours

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 446.0 mg sample…

A: Given, mass of a sample,m = 446.0 mg = 446.0×10-3 g The temperature rise from T1 = -3.8 oC  T2 =…

Q: Consider a cloudless day in which the sun shines down across the united states. if 2659 KJ of energy…

A: Given:The amount of heat energy that reaches a square meter of U S in one hour = 2659 KJArea of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 741.0 g sample…

A:

Q: Enter your answer in the provided box. A 244-g aluminum engine part at an initial temperature of…

A: 16. Given information,    Mass of Al engine part = 244 g    Initial temperature = 11.19 0C = 284.19…

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water with…

A: Given, The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed…

Q: substance reacts violently with water. The substance melts at 73.59 oC. The substance was named…

A: 1. Physical properties are used to observe and describe matter. Physical properties include:…

Q: A975.7J of heat was applied to raise the temperature of a beaker of water from 47.0 oC to 63.0 oC.…

A: The relationship between quantity of heat ( Q ) , mass of water ( m ) , specific heat capacity of…

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

A:

Q: If the specific heat of a ceramic cup is 0.583 J/(g °C), how much heat (in J) is required to raise…

A: To calculate heat energy, we have to use the formula : Q = m*s*Δt        ------(1) where, Q is heat…

Q: How many Joules of energy are required to heat a 67.5 gram piece of tin (cp = 0.22 J/g⋅⋅oC) from…

A: Given: Mass of tin = 67.5 g Initial temperature of tin = 20.0 oC Final temperature of tin = 30.0 oC…

Q: In a calorimetry experiment in a Chemistry for Engineers Laboratory class, a 12.9 - g sample of…

A: The addition of a certain amount of heat to a substance will alter its temperature. The change in…

Q: During the summer after your first year at Carnegie Mellon, you are lucky enough to get a job making…

A:

Q: show the calculations of the amount of kilocalories and also kilojoules you consumed in a day. use…

A: We need energy in order to perform various actions. Energy is released from ATP. It is known as the…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 191.0 g sample…

A: Thermochemistry is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: If 391.5 Joules of heat are added to 27.96 grams of a liquid, raising the temperature of the liquid…

A: Heat energy released or absorbed can be determined by using the formula:  Q = m×C×∆T  -----(1)…

Q: A student obtained a clean flask. She weighed the flask and stopper on an analytical balance and…

A: