Be sure to answer all parts. The density of a certain type of plastic is 0.76 g/cm². If a sheet of this plastic is 10.0 m long, 1.0 m wide,
and 1 cm thick, what is its mass?

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?

An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.