energy (J) A B I Check the correct answer based on the graph above: Change in Enthalpy (delta H) Reactants Products Activation Energy C 4 points

Q: What is the unit of energy now used in the metric system? Give both name and symbol.

A: Unit of energy in metric system is to be accomplished.

Q: A 3,000 kg car accelerates from 4 m/s to a velocity of 11 m/s, what is the change in kinetic energy…

A: The mass of the car is .The initial velocity of the car is .The final velocity of the car is .To…

Q: 54. Perform each conversion. (a) 345 Cal to kilowatt-hours (b) 23 J to calories (c) 5.7 × 10° J to…

A: Hi, since you have posted questions with multiple subparts we will answer first three subparts for…

Q: 162°F to °C

A: Fahrenheit and Celsius's scale is used for measurement of temperature. F is used in US states while…

Q: a ball has a kinetic energy of 106 J. If the ball is moving at a velocity of 2.51 m/s, what is the…

A: Since , Kinetic energy =1/2 mv 2 Where m = mass (in kg ) V= speed (in ms -1)

Q: How much heat was absorbed (in J) if a 35.0 g sample of an alloy with a specific heat of 0.189 J/g…

A:

Q: Which of the following is an example of potential energy? O A compressed spring OA battery O Water…

A: Please find your solution below : Potential energy is the form of energy held or stored by an object…

Q: If 10.27 kJ of heat is given off when 51.93 g of unknown acid condenses from vapor to liquid, what…

A: Condensation is a process of conversion of vapor to liquid. Enthalpy of condensation is the enthalpy…

Q: how many grams of iron

A:

Q: A 9.1 g piece of aluminum (specific heat= 0.22 cal/(g* Celsius) received 10.0 cal of heat. What was…

A: The change in temperature of an object on receiving certain amount of heat (q) is expressed as:

Q: The specific heat of a certain type of metal is 0.128 J/(g*c). What is the final tempature if 305J…

A:

Q: Which of the following is a unit of energy? Mol Kelvin Btu Gram

A: Units are used to measure physical quantities such as time, length.

Q: If 701 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A:

Q: How much heat was absorbed (in J) if a 34.7 g sample of an alloy with a specific heat of 0.458 J/g…

A:

Q: A sample of water pf unkown mass undergoes a temperature change from 86.52 degrees celsius to 30.15…

A: Given :- initial temperature of water = 86.52 °C  final  temperature of water = 30.15°C  q = -17405…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Q = heat =801 J ΔT = change in temperature = (120 - 22.5) = 97.5 oC c = Specific heat = 0.45 J/goC…

Q: Objects can possess energy as ________.            (a) endothermic energy          (b) potential…

A: Kinetic energy - Energy posses by an object by it's motion  Potential energy - Energy posses by an…

Q: The water absorbed 7170 J and the calorimeter absorbed 380 J of energy. What is the heat change for…

A: Given Water absorbed heat = 7170 J Calorimeter absorbed heat = 380 J

Q: The specific heat of aluminum is 0.900j/g*C, how many joules of energy are required to raise the…

A: Specific heat : The amount of heat is required to raise the temperature of one gram compound by one…

Q: What is the change in internal energy in joules when a system releases 154 J of heat and does 125 J…

A:

Q: The combustion of 4.00 grams of milk in a bomb calorimeter resulted in a temperature increase of 3.4…

A:

Q: If 1001 J of heat is available, how many grams of iron (specific heat = 0.45 J/g･°C) can be heated…

A: The equation is:

Q: If 601 J of heat is available, how many grams of iron (specific heat = 0.45 J/g･°C) can be heated…

A: The amount of available energy is = 601 J The specific heat of iron is = 0.45 J/g･°C Increase in the…

Q: Which of the following units of energy is defined as the heat it takes to raise the temperature of 1…

A: Correct Answer - E) calorie  Because calorie is defined  as the amount  of heat is required  to…

Q: It said sig figs or rounding was wrong????

A:

Q: what is the mass in grams of iron

A:

Q: What is the final temp of an insulating polymer if a 67.83 g sample with specific heat of 7.820 J/g…

A: The mass of the polymer sample is = 67.83 g The specific heat of the polymer sample is = 7.820 J/goC…

Q: 18.7 grams of ethanol are heated from 18.2°C to 112.1°C how many joules of energy were required?

A: Given that,  Weight of ethanol m = 18.7 g Initial temperature of ethanol T1 = 18.2°C Final…

Q: Perform the following conversion: 575 calories to Joules (J)

A:

Q: A metal with a specific heat of 0.900 J/g °C requires 1,000 J of heat to raise the temperature (the…

A: Let suppose mass of metal is m gram. Given data is specific heat capacity=.9J/g.degree celsius Heat…

Q: Select both chair conformations of menthol 4 OH OH HO. HO. eTextbook and Media

A: In chair form of cyclohexane, the bulkier group tend to remain in the equatorial position and the…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A: Given data : Heat (q) = 801 J Specific heat (C) = 0.450 J/g.°C Initial temperature (Ti) = 22.5 °C…

Q: If 701 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A:

Q: A metal is thought to be copper or gold. When 18 g of the metal absorbs 58 cal, its temperature…

A: Given, Mass of unknown metal = 18 g Temperature = 35℃ Heat = 58 cal

Q: Which one of the following is not a physical property of a solid or liquid? A-compressible B-high…

A: there are  mainly three state of matter known as solid, liquid and gas .