Balance the chemical equation: Al2S3+ H2O ? Al(OH)3 + H2S
Al2S3 + 6H2O ? 2Al(OH)3 + 3H2S
Physics & Space Science
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Distance divided by time
A. Gerard de Vaucouleurs |
B. Georges Lemaître |
C. Hubble’s Law |
D. Edwin Hubble |
E. Velocity or Speed |
F. Ho |
Physics & Space Science
As the wavelength of light increases, its energy ________.
A. decreases B. remains constant C. moves more slowly D. increases E. moves more quickly
Physics & Space Science
What type of spectrum is emitted by a heated solid object (such as the filament of an incandescent bulb)?
A. continuous B. absorption-line C. emission-line D. None of these choices are correct.
Physics & Space Science
Explain the relationship between the general circulation of the air and the circulation of ocean currents
What will be an ideal response?
Physics & Space Science