Electrical power is commonly measured in watts (W) or in kilowatts (kW). A commercial solar panel generates about 0.10 watts per square inch of surface area. Based on this, how many kilowatts of power could be generated by a residential solar panel array with a surface area of 621 ft²? amount of power: kW

Q: give chemical examples of The law of Conservation of Energy and Hess's Law

A: The explanation is given below-

Q: If a household uses 793. kWh of electricity per month, how many MJ of energy (from electricity) does…

A: Given Use of electricity = 793 kWh To find  Energy in MJ

Q: A gram of gasoline produces 45.0 kJ of energy when burned. Gasoline has a density of 0.77 g/mL. How…

A: The energy released by 1 g of gasoline = 45.0 kJDensity of gasoline = 0.77 g/mLVolume of gasoline =…

Q: A lightbulb consumes energy at a rate of 80.0 joules per second. How long in seconds will it take…

A: rate of energy consumption = 80.0 J/secondEnergy consumption by bulb = 2.30105 Jtime required =?

Q: n a large building, oil is used in a steam boiler heating system. The combustion of 1.0-lb of oil…

A: Heat capacity is Cp  is the  amount  of heat required  to change  the heat  content of   1 gram of…

Q: A person weighing 85 kg running at 16 km/hr requires 4245 kJ of energy per hour. How far must this…

A: Mass of Sugar  =  0.690 Kg1 Kg  = 1000 g0.690 Kg = 0.690*1000 g = 690 gso mass of sugar  = 690 g1 g…

Q: An average American consumes approximately 106 kJ of energy per day. The average life expectancy of…

A:

Q: Thermal Energy?

A: The total amount of kinetic energy within an object or sample is called Thermal energy.

Q: A microwave at 600 watts heats up a cup of water of 150ml from 20 degrees Celsius to 61 degrees…

A: The density of water is 1.0 g/mL. Therefore, mass of 150 mL water is 150 g.

Q: After sitting on a shelf for a while, a can of soda at a room temperature (69°F) s placed inside a…

A: Given: Ta = the temperature surrounding the object = temp. of refrigerator = 37oF To = initial…

Q: What mass of water (in grams) is produced by the complete combustion of 2.68 g of ethanol, C2H5OH?…

A: Burning of any hydrocarbon gives CO2 and water from the balance equation we can calculate it .

Q: Gaseous ethane (CH3 CH3) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂)…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: One hour of bicycle riding can require 500-900 kcal of energy, depending on the speed, the terrain,…

A: Given : rate of energy consumed = 505 Kcal/hr Mass of fat to lose = 21.0 lbs Energy of 1 g of fat =…

Q: For a certain shrink film, an edge of length 15.6 cm is reduced to a length of 6.00 cm upon exposure…

A: 16.92 cm2 will be the area.

Q: Explain why some “Green Energies” are not so green by giving an example.

A: Solution Green energy is any energy sort that's generated from natural resources, like daylight,…

Q: Consider a cloudless day on which the sun shines down across the United States. If 2247 kJ of energy…

A: Sun energy reaches in total United States  = Area × Energy /m2

Q: You are camping and wish to bake an apple crisp using your butane cooker. The crisp needs 1.5 x 103…

A: Answer:In this problem we have to find out the energy that can be produced by 100g butane and then…

Q: Post-Assessment Unit This Potential Energy Diagram represents an exothermic reaction; excess energy…

A: During any process or in universe energy can neither be created nor be distroyed only it changes…

Q: You decide to heat a 12.0 ft by 18.0 ft by 8.00 ft room by burning butane gas, C4H10, to raise…

A: The heat gained or lost can be calculated as- q = m×C×∆T m is the mass of the substance C is 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: Create a flowchart showing the energy transformations needed to generate electricity from each of…

A: To solve this problem we will use the given follow chart .  And for the heating curves we match the…

Q: A 1445 kg car is traveling down the road at 96.6 km/h. While traveling at this rate of speed, what…

A: Given : Mass of car = 1445 kg Speed of car = 96.6 km/hr  To calculate :- Kinetic energy (in kJ)

Q: An irregular lump of an unknown metal has a measured density of 5.61 g/mL. The metal is heated to a…

A: Density of metal = 5.61 g/mL

Q: A sheet of gold weighing 9.4 g and at a temperature of 19.1 °C is placed flat on a sheet of iron…

A: Given Mass of gold = 9.4 g Temperature of gold = 19.1•C Mass of iron = 18.4 g Temperature of iron =…

Q: What is 84.8 W in units of mW?

A: 1 W = 103 mW  mW = mili Watt

Q: 6 kWhkWh to joules Express your answer using two significant figures.   Convert 229 cal to…

A: In this question, we need to convert the given value from one unit to another unit using the…

Q: One hour of bicycle racing can require 500-900 kcal of energy, depending on the speed of the race,…

A:

Q: Calculate the energy needed to heat the cube of silver, with a volume of 10.0^3cm, from 12 degrees…

A:

Q: 7. Applying the principles of green chemistry requires some consideration of the way in which they…

A:

Q: 343 CalCal to kilowatt-hours Express your answer using three significant figures.

A: Given : Value in Cal = 343 Cal

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: Specific heat capacity, Cs = q/m∆T q = heat absorbedm = mass of substance∆T = T2 - T1 T1 = initial…

Q: A 3.83 kg aluminum engine block heats up to 137.7 °C. Engine coolant at 22.5 °C is added to prevent…

A: Specific heat: It is defined as the amount of heat required to raise the temperature of the…

Q: An irregular lump of an unknown metal has a measured density of 5.26 g/mL. The metal is heated to a…

A: