Carbon dioxide, CO2, changes from the solid phase to the gas phase at 1 atm and 194.5 K. In the solid phase, CO 2 is
often called dry ice. When dry ice sublimes in air at 298 K, the water vapor in the air can condense, forming a fog of small
water droplets. This fog is often used for special effects at concerts and in movie-making.
At 1 atm and 190. K, compare the amount of thermal energy in a 1.0-kilogram block of dry ice to the amount of thermal
energy in a 2.0-kilogram block of dry ice.
Answers: 1
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Using data from seismic waves, geologists have learned that earth’s interior is made up of several
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The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Carbon dioxide, CO2, changes from the solid phase to the gas phase at 1 atm and 194.5 K. In the soli...
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