Using the equation 2h3+> 2h2o when 192 g of oxygen are produced, how many grams of hydrogen must react

An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.

William has eight more nickels than dimes in his pocket for a total of $2.50. which equation could be used to determine the number of x dimes in his pocket?