When 1.0 gram of hydrogen combines with 8.0 grams of oxygen, 9.0 grams of water is formed. But is this true? During the reaction 2.86 × 10^5 J of energy is released. How much mass is actually lost in this reaction?
3.18 × 10^?12 kg
Physics & Space Science
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To melt ice, add
A) temperature. B) energy. C) force. D) time.
Physics & Space Science
Saturn's bands, oval storm systems, and turbulent flow patterns are powered by
A) convective motion and rapid rotation. B) the greenhouse effect. C) a liquid metallic hydrogen interior. D) the fusion in Saturn's core. E) the tides of Titan.
Physics & Space Science
Based on observations of the universal expansion, the age of the universe is about ________
A) 14,000 years B) 14 billion years C) 14 million years D) 14 trillion years
Physics & Space Science
The volume coefficient of thermal expansion for gasoline is 950 × 10-6 K-1. By how many cubic centimeters does the volume of 1.00 L of gasoline change when the temperature rises from 30°C to 50°C?
A) 6.0 cm3 B) 12 cm3 C) 19 cm3 D) 37 cm3
Physics & Space Science