A 0.100 M M solution of ethylamine (C2H5NH2 C 2 H 5 N H 2 ) has a pH p H of 11.87. Calculate the Kb for ethylamine

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h