What two compounds form when hydrocarbons burn completely

A mechanic repaired 28 cars and 46 trucks last month. He spent 2.5 hours repairing each of these vehicles. Which equation can be used to find h, the total number of hours the mechanic spent repairing these vehicles?

Which situation is the best example of interia

What is the difference between a mixture & a pure substance?

HgS + O2 → HgO + SO2 What are the coefficients that should be added to balance this equation? Use complete sentences to explain your answer. Explain how this chemical reaction demonstrates the conservation of mass.

A balloon with a volume of 2.0 L at 25°C is placed in a hot room at 35°C. The pressure on the balloon is constant at 1.0 atm. How does the volume of the balloon change after moving it to the hot room?

A geologist finds a section of rock that shows was ripple marks. What does it he pr send me or a ripple marks say about the area where the rock formed? A. the rock from rk s in a fast moving stream B.

375centimetercube of a gas has a pressure of 770mmHg. find it's volume if the pressure is reduced to 750mmHg

How did the planets in our solar system form?

What kind or plate tectonic boundary is the san anfreas fault?

Which city's climate is most similar to Jakarta, Baltimore or Kuala Lumpur? Data Table Shanghai, China (31° N, 121° E) Baltimore City, USA (39° N, 76° W) Helsinki, Finland (60° N, 24° E) Banff, Canada (51° N, 115° W) Kuala Lumpur, Malaysia (3° N