Can someone me ?
match these items.
1. nh3
alkyl group
2. nrh2
tertiary amine
3. r2nh
ammonia
4. r3n
ammonium ion
5. r-
secondary amine
6. nh4+
primary amine

1. baking powder is a 1: 1 molar mixture of cream of tartar (khc4h4o6) and baking soda (nahco3). a recipe calls for two teaspoons (a total of 8.0 grams) of cream of tartar. how much baking soda must be added for both materials to react completely?

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

What three things determine the shape and size of a puddle when water is poured out onto a surface