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: Define energy and explain the importance of energy in chemistry

A: Science is knowledge about facts that are based on observations of experiments.Chemistry is one of…

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

A: Gasoline is a petrolium substance and contain the number ofcarbon atom C4 to C12 and gasoline is a…

Q: Consider a cloudless day on which the sun shines down across the United States. If 2529 kJ of energy…

A: Given : Total energy reaching per square meter per hour = 2529 KJ/m2.h And area of US = 9,158,960…

Q: A sample of solid silver oxide with a mass of 11.4 grams was reduced to elemental silver by heating…

A:

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

A:

Q: Electrical energy is usually measured in kilowatt-hours, kWh. A Watt is 1 joule per second. A…

A: Unit conversion refers to the process of changing a quantity expressed in one unit of measurement…

Q: Calculate the quantity of heat required to raise the temperature of 60.0 g of water from 22.1 °C to…

A: Specific heat capacity is amount of heat capacity is required to raise temprature of one gram…

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: You and your friends are having lunch together and complaining about the cold weather. Kathy begins…

A: 0 degrees Celsius= 32 degrees Fahrenheit . Formula Celsius to Fahrenheit = (0 degrees Celsius × 9÷5…

Q: A typical candy bar weighs about 2 oz (1.00 oz = 28.4 g).(a) Assuming that a candy bar is 100% sugar…

A: a.) Given: Weight of candy bar is 2 oz. 1.0 g sugar is equivalent to 4.0 calorie energy.…

Q: 90. A 100-g block of iron metal and 100 g of water are each warmed to 75 °C and placed into two…

A: There are few terms which should be known to answer this question. Specific heat: It is the heat…

Q: Water at the surface of a small pond in Toronto is at the freezing point as the sun sets on a winter…

A: Heat released for phase transition from liquid to solid  = mass × heat of freezing

Q: A hot tub holds 350.0 liters of water. How much energy, in kilocalories (kcal), would be required…

A: Given : Volume of water = 350.0 L Density of water = 1.000 g/mL = 1.000 Kg/L               (since 1…

Q: Use of the British thermal unit (Btu) is common in sometypes of engineering work. A Btu is the…

A: British thermal unit is unit of heat. It is the amount of heat requires to rise the temperature of 1…

Q: The total power used by humans worldwide is approximately 15 TW (terawatts). Sunlight striking Earth…

A: Given: Total power used by humans = 15 TW = 15×109 kW Sunlight striking earth = 1.336 kW/m2 Sunlight…

Q: What is the purpose of making Solar water bottle purifier

A: The purpose of making Solar water bottle purifier has to be given,

Q: Calculate the kinetic energy in ft · Ibf of 250 Ibm of liquid flowing through a pipe at a speed of…

A: Given that : Mass of the liquid flowing through the pipe = 250 lbm The velocity of the liquid = 35…

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

A: Its given that the light bulb consumes 80 Joules of energy per second. We have to find the time…

Q: 3.23×103 kJ to kW⋅h Express the value in kilowatt-hours to three significant figures.

A: Joule (J) is the unit of work done or energy.  Kilojoule (KJ) is 1000 times of Joule. Watt or…

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: How can washing plastic in warm water before recycling actually put more carbon in the atmosphere? C…

A: Plastics are polymers, which do not vaporize or evaporate on heating instead they melt and are…

Q: Antarctica has an area of 5,500,000 square miles. It is covered with ice, giving the continent an…

A: Density-ratio of mass and volume of given solution is called density. Formula, Density is measured…

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

A: Given : Amount of energy required = 650.0 Kcal/hr 1 Kcal = 4.184 KJ Time of cycling = 175 mins  And…

Q: The heat required to raise the temperature of a large cup of water(for coffee) from room temperature…

A: Heat required (q) = 100KJ  We know that:  1kcal = 1000cal = 4.184KJ

Q: ethanol is commonly used as a fuel for cars and for heating homes.Based on your results,explain why…

A:

Q: Consider the two spheres shown here, one made of silver and the other of aluminum. The spheres are…

A: The potential energy of an object is defined as the energy possessed by an object that rose to a…

Q: Energy consumption in the United States produced 4.57 x 10^6 metric tons of carbon dioxide emissions…

A: Given: Mass of CO2 = 4.57 X 106 metric tons.

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

A:

Q: 6.40×103 kJ  to kW⋅h Express the value in kilowatt-hours to three significant figures.

A: Given Energy = 6.40 × 103 kJ Convert the unit of energy from kJ to kWh = ? Note: 3600 kJ = 1 kWh

Q: Which of the following natural resources is considered renewable? biofuel natural gas nuclear power…

A: Renewable natural resources among the following given compound has to be given,

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

A: Given that -  One gram of protein or carbohydrate produces = 17.0 kJ  Time = 195 minutes = 195/60 =…

Q: onsider a cloudless day on which the sun shines down across the United States. If 2751 kJ of energy…

A: Given: Intensity of solar energy = 2751 KJ/m2.hr. And area of US = 9158960 Km2