When you are using a fluorescent lamp ___________________ energy is converted into ________________ energy   Electrical; Light Light; Mechanical Mechanical; Light Electrical; Mechanical

Q: Together, a pure gold ring and a pure titanium ring have a mass of 15.06 g.15.06 g. Both rings are…

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

Q: styrofoam cup used instead of a beaker?

A: The molar heat of fusion is quantity of heat required to change 1g of solid to liquid without any…

Q: Identify the necessary parts to build a calorimeter. Select one or more: Thermometer O An exterior…

A: A calorimeter is an instrument used to measure the heat evolved or absorbed in a chemical reaction.…

Q: Given the reaction: 2??2?3(?) → 4??(?) + 3?2(?) ∆?? = 2269.4 ?? How much heat in kJ is required to…

A: Given equation is2Cr2O3→4Cr+3O2         ∆G=2269.4 kJfrom balanced equation4 moles of Cr production…

Q: A 440.0g sample of water is at 30.0ºC. How many joules of energy are required to raise the…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: When the air hole in a Bunsen burner is opened a. the gas burns efficiently, producing a relatively…

A: In the given question we have to choose the correct option for the given statement. As we know that,…

Q: The system absorbs 88 J of energy as it does 42 J of work. * Calculate the change in energy for the…

A: Given: System is absorbing 88 J of energy and doing 42 J of work.

Q: garbarge disposal chops waste food into tiny peices that move easily through sewage pipes. A…

A: Choping into tiny pieces is kind of mechanical work.

Q: The energy stored by a body by virtue of its position or chemical composition is termed A) kinetic…

A: Kinetic energy: The energy stored by a body by virtue of its position Potential energy: The energy…

Q: what energy is a chemical energy withing a battery kinetic or potential?

A:

Q: A bicyclist is stopped at the entrance to a valley, as sketched below: F A E B Where would the…

A: Answer: This question is based on energy conservation, where at each point total mechanical energy…

Q: 21. A turblne system Is used to produce electrical energy. Wires (electrical energy) Turbine…

A: As per conventions, maximum energy is present at the source. As we convert the energy at the source…

Q: Which fuel is not a fossil fuel?a) coal b) hydrogenc) natural gas d) petroleum

A: According to the law of conservation of energy, the energy can be converted from one form to another…

Q: Why was natural gas flared-off (burning) and not considered a source of energy, a few decades ago?

A: Flare off means to burn something and allow it to go into the atmosphere. It consists of methane,…

Q: You should have noticed that the Styrofoam ball rolled slightly towards the rod and then appeared to…

A: Rubbing the plastic rod, the rod will get an electrical charge. Which means there is a build up of…

Q: For 36-38. An aluminum kettle weighs 1.05 kg. What is the heat capacity of the kettle? * 0.522 J/g°C…

A:

Q: input

A: Dear student I have given answer to your question in the image format.

Q: How much energy is required to heat 50 gallons of water from 20C to 130F (note the unit change)?…

A: For a particular compound that consists mass of 1.0 gram, then energy (q) required for the…

Q: A system absorbs 21.6 kJ of heat while performing 6.9 kJ of work on the surroundings. If the initial…

A:

Q: How does an energy storage device which provides instantaneous power supply work? Explain with a…

A: Now a days uses of batteries increased  a lot of amount. From household to industrial purpose,its…

Q: ard free energy change,

A:

Q: If the temperature of 1.000 g of water was raised 1.000 °C, how much heat was transferred?

A: Given: Mass of water = 1.000 g. And increase in the temperature of water = 1.000 oC

Q: A 1-gram piece of pure Cu (c = 0.386 J/g-°C) will require a smaller amount of energy than a 1-gram…

A: The amount of heat required to increase the 1oC temperature of 1 g metal is known as the specific…

Q: Where would the bicyclist have the highest potential energy? Where would the bicyclist have the…

A: ANSWERS:- 1) Highest potential energy will be found at highest point only. Here F is the highest…

Q: What makes this remarkable balance of energy input and output possible?

A: Input​ refers to the amount of energy put into a device, and ​ output​ refers to the amount of…

Q: A mountain hiker found a chunk of shiny metal on the trail.  He wanted to find out the identity of…

A:

Q: The major source energy for current civilization is

A: To find: The major source energy for current civilization

Q: A hot 101.6 g lump of an unknown substance initially at Substance Specific heat (J/(g•°C)) 164.8°C…

A: We have to equate the heat lost by the metal to the heat gain by the water to determine the specific…

Q: Two metals of equal amount but with different heat capacities to the same amount of applied heat.…

A: As we know that -  Q = m.c.∆T  Smallest change in temperature will be when c has very high value. So…

Q: calculate calorimeter constant to 2 significant figures

A: Given that -  Temperature of cold water = 3.0°C  Temperature of hot water = 89.0°C  Volume of cold…

Q: What does a bomb calorimeter measure?   a. How much energy the body expends during strenuous…

A: Bomb calorimeter measures the amount of heat released or absorbed from the substance. It mainly…

Q: e the specific heat of lead

A:

Q: total volume in a graduate cylinder 5.0mL  total number of drops placed in cylinder 65 drops  what…

A:

Q: 2 pbleH zcoo),+K2ero +2k oH→ pbcro,pbo+2cHgcookaH0 2,28 Question: calculate efficiency based on…

A: The reaction is: 2 Pb(CH3COO)2 + K2CrO4 + 2 KOH = PbCrO4*PbO + 4 CH3COOK + H2O

Q: Calculate the total amount of energy, in kJ for the reaction at the top.  Round to the nearest tenth…

A: The total amount of energy produced is

Q: Explain why Styrofoam a good is insulating material. Select one: a. Styrofoam is made of a polymer…

A: Stryofoam is an insulating material. It is commonly called as 'Blue board'. It is commonly used for…

Q: find the initial temperature of water, (e), (k), (l)

A: We have to predict the initial temperature of calorimeter , heat absorbed by Calorimeter and water.…

Q: What amountpf energy in joules and calories is needed to heat a 7.5 g piece of copper from 22-52°C?…

A:

Q: Tell me the difference and similarities about why burning hydrogen would produce more energy per…

A:

Q: 10 g of a piece of metal is taken by a student to find its specific heat capacity. Metal is tied…

A: Given- Mass of metal = 10 g Volume of water = 10 ml Initial temperature of water = 25 °C Initial…

Q: oes s system gain or lose energy as reactants are converted to products?

A: A system may gain or lose energy as the reactants are converted to products.

Q: A 1-gram piece of pure Cu (c = 0.386 J/g-°C) will require a smaller amount of energy than a 1-gram…

A:

Q: Together, a pure gold ring and a pure titanium ring have a mass of 15.06 g. Both rings are heated to…

A:

Q: m Where would the bicyclist have the highest potential energy? Where would the bicyclist have the…

A: Potential energy is defined as the ability to do work. Potential energy defined as the bicycle…

Q: Use the following information to answer questions 21 to 23. Methyl benzoate, C6H5COOCH3(1), is a…

A: Answer of 1. is A.

Q: Temperature and Entropy respectively

A: Carnot heat engine follow 4 step 1.isothermal ecpansion  2.adiabatic expansion  3.isothermal…

Q: specific heat capacity o

A:

Q: Calculate the change in internal energy (ΔE) for a system that is giving off 3.0 kcal of heat and is…

A: From the first law of thermodynamics, we got ∆E=Q-p∆V Here, ∆E= Change in internal energy Q= Heat…