If a material mixes readily with water it is describe as HYDROPHILIC. Hydrophilic substances are water loving molecules, there reaction with water is favorable in term of thermodynamics. This type of substance are usually charged and often have ability to get involve in hydrogen bonding.
The correct option is FLUORINE AND COPPER.
An ionic compound is usually formed by the combination of a metal and a non metal, the metal usually act as an electron donor while the non metal act as an electron acceptor. Thus, in ionic compounds, there is total transfer of electrons from the metal to the non metal. In the question given here, copper is the metal while the fluorine is the non metal.<span />
- The wavelength range of Infrared radiation is 700 nanometers to 1 millimeter.
- The sun emits mainly near-infrared which is mainly composed of wavelength below 4 micrometers.
- The thermal range of infrared ranges between wavelengths 3.5 and 2.0 micrometers
Explanation:
The wavelength range of Infrared radiation is 700 nanometers to 1 millimeter. This also translates to a frequency range of 430 TeraHertz to 300 Giga Hertz.
Because the sun is a star and is hot in comparison to earth and other planetary bodies, the bigger range of infrared radiation it emits is in the near-infrared which is mainly composed of wavelength below 4 micrometers.
The earth's surface produces infrared radiation of the mid-infrared range while cooler substances will produce far-infrared range
The thermal range of infrared ranges between wavelengths 3.5 and 2.0 micrometers and is produced by black bodies.
Learn More:
For more on infrared radiation check out;
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Answer:
Molarity of solution is 0.0049 M
Explanation:
Molarity of a solution is the ratio of number of moles of solute to volume of solution in Liter
Number of moles is the ratio of mass to molecular weight of a compound.
Here 
is the solute.
448 mg of = 0.448 g of
So, 0.448 g of = 
moles of = 0.00245 moles of
Total volume of solution = 500 mL = 0.5 L
So, molarity of solution = 
Answer:
The Only Viable Solution: A New Moon Shot
The electric light bulb didn't appear from efforts to develop better candles or telling people to use less light.
