Where do babies come from

Given 1kg=2.20 lbs, how many kilograms are in 125 lbs? (Metric conversion)

Which has a larger molar mass, salt (NaCl) or sugar (C12H22011) - how can you tell?

A baker touches a pie right after taking it out of the oven. Which statement best explains why the pie feels hot? A. Molecules in the skin move faster than molecules in the pie, so heat is transferred to the pie. B.

A material was cooled from 100°C to 40°C. What is the temperature change? A - 40°C B 60°C C 40°C D - 60°C

The reaction below can be catalyzed by bromine (Br2). if you carried out such a reaction, which compound would you expect to find in the reaction container at the end of the reaction? A) Br2 B) BrO C) BrH2 D) BrO2

Name two ways that living things use proteins

Solid lithium metal and diatomic fluorine gas react spontaneously to form a solid product. give the balanced chemical equation (including phases) that describes this reaction.

What is the best way to transform a chemical potential energy into internal kinetic energy?

A reaction starts with 20.0 grams of lithium hydroxide (LiOH) and produces 31.0 grams of lithium chloride (LiCl), what is the percent yield of lithium chloride (LiCl) ? * LiOH + KCl - LiCl + KOH A) 64.5% B) 88.6% C) 81.5% D) 92.8%

You aren't sure if your pH meter needs to be calibrated, so you put it in a buffer solution that has a known pH of 7. You take four separate readings of the solution with the pH meter. The meter reports the pH as 5.5, 8.6, 6.3, and 9.4.