How many proton environments are there in 2-methylbut-2-ene? How many proton environments are there in 1-bromo-4-chlorobutane? How many proton environments are there in trans-2-pentene What are the multiplicities of each proton environment in 2-methylbut-2-ene? What are the multiplicities of each proton environment in 1-bromo-4-chlorobutane? What are the multiplicities of each proton environment in trans-2-pentene?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]

What happens to the temperature of a substance when the average kinetic energy of its particles increases?