When the equation Sb2S3 + HCl ? SbCl3 + H2S is balanced, the total of all the coefficients (both written and "understood") is
a. 10.
b. 14.
c. 9.
d. 12.
d
You might also like to view...
A star's apparent magnitude is a measure of
a. how bright it appears to us if it is at its actual distance. b. how bright it appears to us at a standard distance of 10 pc. c. its energy output per second compared to the Sun. d. its mass in solar masses. e. its surface temperature in Kelvin.
The design of modern X-ray telescopes depends on:
A) lenses made of germanium. B) the prime focus design, with mirrors made of iron. C) grazing incidence optics. D) achromatic lenses to keep the X-rays in focus. E) the Cassegrain design, with mirrors made of lead.
Freely falling bodies experience
a. motion with constant velocity. b. motion with zero acceleration. c. motion with constant acceleration. d. motion at a constant speed. e. none of the above
The coefficient of linear expansion of aluminum is 24 × 10-6K-1 and the coefficient of volume expansion of olive oil is 0.68 × 10-3K-1
A novice cook, in preparation for deep-frying some potatoes fills a 1.00-liter aluminum pot to the brim and heats the oil and the pot from an initial temperature of 15°C to 190°C. To his consternation some olive oil spills over the top. How much? A) 0.11 liters B) 0.12 liters C) 0.13 liters D) 0.14 liters E) 0.15 liters