Web11 jun. 2024 · Chemistry College answered . boiling 21.1 g of water at 100°C See answer Advertisement adrianjinfante How many joules are required to boil 21.1 g of water at 100°C? Awnser:47,700 J Advertisement Advertisement Web12 okt. 2011 · The quantity of water is unknown, so just assume it is 1 kg to make the calculation simple. ΔQ = [4.18kJ/kgC]*1kg*80degreesC = 334.4kJ Power = ΔQ/Δt = 334.4kJ/300s = 1.11kJ/s = 1110 watts = 1.11kw My book gives the heat of vaporization of water as 2256 J/g or 2256kJ/kg. So 1.11kw * Δt = 2256kJ So Δt = 2030 s = about 34 …
Answered: How many grams of sodium nitrate,… bartleby
WebThis is an easy online tool for you to use. To get the specific heat of a substance, follow these steps: First, enter the value for the Energy then choose the unit of measurement from the drop-down menu. The choices include joules, kilojoules, megajoules, watt-hours, kilowatt hours, kilocalories or foot-pounds. Web2 apr. 2024 · 1000×3600=3,600,000 Joules How many kWh do we have in the 313 800 joules needed to boil one litre of water? Cost Analysis Using Electricity (KPLC) … how did john brown fight against slavery
Specific heat capacity - Energy and heating - BBC Bitesize
WebTranscribed Image Text: How many grams of sodium nitrate, NaNO3, must dissolve in 50.0 g of water to lower the temperature of the solution by 5.0 degrees C? q = (-)197.20J/C and HDissolution = 19.09 How many grams of magnesium sulfate, MgSO4, must dissolve in 50.0 g of water to raise the temperature of the solution by 5.0 degrees C? q= (-)50.94 … WebUsing the heat of fusion of water, 334 J /g, calculate the grams of ice that will melt at 0 . C if 1570 J is absorbed. Express your answer to three significant figures and include the appropriate units. Web11 sep. 2024 · The energy required to change water from a liquid to a solid is 333.7 kJ/kg while the energy required to boil water is 2257 kJ/kg. The amount of energy needed to … how many shelby brothers are there