Balance the chemical equation: Al2S3+ H2O ? Al(OH)3 + H2S


Al2S3 + 6H2O ? 2Al(OH)3 + 3H2S

Physics & Space Science

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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

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

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