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Calculate the energy required to heat a beaker of water at 23°C to boiling. The mass of the water is 68.9 g.
Determine the temperature change that will occur when 269 J of energy is applied to 24.7 g of gold.
A silver ring has a mass of 137.62 g. How many calories of heat are required to increase the temperature from 13.4°C to 173.6°C?
What is the mass of copper that increases its temperature by 312°C when 186,000 J of energy is applied?
A 278.96 g ingot of unknown metal is heated from 22.89°C to 267.29°C. This requires 3.91 kcal of energy. Calculate the specific heat of the metal and determine its identity.
Here's the table to help you find the answer.
Substance
Specific Heat Capacity
(J/g°C)
Water:4.184 (J/g°C)
Aluminum:0.89 (J/g°C)
Silicon:0.703 (J/g°C)
Iron:0.45 (J/g°C)
Copper:0.387 (J/g°C)
Silver:0.24 (J/g°C)
Gold:0.129 (J/g°C)
Lead:0.128 (J/g°C)
Answers: 1
Chemistry, 22.06.2019 19:30, gracieisweird12
Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol
Answers: 3
Chemistry, 23.06.2019 09:00, MrKrinkle77
Individuals within populations exhibit some diversity. as a result of possessing slightly different traits, some individuals are better able to survive and reproduce than others. if these individuals changes in the characteristics of the population may occur over time. the cumulative change in these characteristics is known as
Answers: 3
Chemistry, 23.06.2019 09:30, noeliaalvarado
Which element below could be and isotope of this atom
Answers: 1
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Calculate the energy required to heat a beaker of water at 23...
Calculate the energy required to heat a beaker of water at 23...
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