4.Consider the titration of a 25.0 mL sample f a 0.175 M CH3NH2 with 0.150 M HBr. Determine each quantity below; a. The initial pH b. The volume of added acid required to reach the equivalence point. c. The pH at 5.0 mL of added acid. d. The pH at one-half of the equivalence point. e. The pH at the equivalence point. f. The pH after adding 5.0 mL beyond

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

Which diagram represents the phase tha occurs after a solid melts?

Choose the correct statement about licensed veterinarians in the united states. a. they must be certified by the avma. b. they can treat all nonhuman animals. c. they can can treat only animals specified on the license. d. they must choose a specialty.