Method A is Convection
Method B is Conduction
Explanation:
From the problem, we can infer that method A is convection and method B is conduction.
Conduction, convection and radiation are the three main methods of heat transfer.
- Conduction and convection requires material medium to propagate.
- Radiation occurs in the absence of a material medium.
- Conduction mostly occurs in solid. Here, heat is transferred from one hot end to the cold end of the solid. The vibration of the particles in the hot end causes the transfer of kinetic energy to the cold end until thermal equilibrium is reached.
- In convection, heat is primarily transferred in fluids as a result of density differences. Convection involves the motion of the materials of the medium. Hot air is light and it rises whereas cold air is dense and it sinks.
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Answer:
Tellurium
Explanation:
Technetium's position on the periodic table is 43 and Tellurium's is 52
Answer:
Dry desert air cools much more quickly resulting in much colder nighttime temperatures.
Explanation:
The higher the moisture content in the air the harder it is to cool. Water has a much greater specific heat than dry air, retaining much more energy for each degree of temperature.
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People conduct scientific investigations by formulating a hypothesis and observing the results. They then draw conclusions from those results and then share those conclusions with the larger scientific community.
Answer:
D = 4 g/mL
General Formulas and Concepts:
Density = Mass over Volume
Explanation:
<u>Step 1: Define</u>
m = 100 g
V = 25 mL
D = unknown
<u>Step 2: Find D</u>
- Substitute: D = 100 g/25 mL
- Evaluate: D = 4 g/mL