When the equation Sb2S3 + HCl ? SbCl3 + H2S is balanced, the coefficient of SbCl3 is
a. 3.
b. 1.
c. 2.
d. 4.
c
Physics & Space Science
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__________is a graph of orbital velocity versus radius in the disk of a galaxy
A) A rotation curve B) A normal distribution C) The H-R diagram D) The light curve
Physics & Space Science
What causes the seasons?
A. the elliptical shape of Earth's equator B. the changing distance between Earth and the Sun C. Earth's spin axis is tilted from the poles of the celestial sphere D. the tilt of Earth's spin axis relative to Earth's orbit
Physics & Space Science
Black holes suck up all matter in sight
Indicate whether the statement is true or false
Physics & Space Science
Water has an index of refraction of 1.333 . What is the speed of light through it? (c = 3.00 × 10^8 m/s)
a. 4.00 × 10^8 m/s b. 2.25 × 10^8 m/s c. 4.46 × 10^8 m/s d. 1.46 × 10^8 m/s
Physics & Space Science