Chemistry, 02.03.2021 01:30 wyndal1753
A sample of solid lead is heated with an electrical coil. If 30.3 Joules of energy are added to a 13.8 gram sample and the final temperature is 37.7°C, what is the initial temperature of the lead?
Answers: 2
Chemistry, 22.06.2019 13:30
In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.
Answers: 2
Chemistry, 22.06.2019 18:00
How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
Answers: 3
A sample of solid lead is heated with an electrical coil. If 30.3 Joules of energy are added to a 13...
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