Answer:
In general, print publications with authors and listed sources tend to be reliable because they provide sources which readers can verify. Likewise, Web postings with a .gov (posted by the United States government) are both current and reliable.
Explanation:
According to enstiens theory of relativity, c is constant in E=mc^2 c is the speed of light. and many other physicsts all calculate it to be the same amount, <span>299,792, 458 meters per second. </span>
Answer:
3.4 mol C3H8
Explanation:
Balance: C3H8 + 5O2 → 3CO2 + 4H2O
Use a molar ratio to determine the amount needed.
13.6 mol H2O * 1 mol C3H8/4 mol H2O = 3.4 mol C3H8
