50cm³ of gas z, the empirical formula of which was CH3 diffused through a porous partition in 29 secs. The same volume of hydrogen diffuses in 5.9 secs under the same conditions. what is the molecular formula of gas z​

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.

What are transitions between a liquid and a solid called? identify which way they are transitioning

Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2