Chemistry, 10.11.2019 05:31 Trendymwah9738
Methane, the principal component of natural gas, is used for heating and cooking. the combustion process is ch4(g) + 2 o2(g) → co2(g) + 2 h2o(l) if 15.9 moles of ch4 react with oxygen, what is the volume of co2 (in liters) produced at 23.7°c and 0.985 atm?
Answers: 1
Chemistry, 21.06.2019 15:00
If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.
Answers: 1
Chemistry, 21.06.2019 23:30
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
Answers: 2
Methane, the principal component of natural gas, is used for heating and cooking. the combustion pro...
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