1. How many moles of sodium are required to produce 40. grams of NaOH?
2. How many grams of NaOH are produced with the reaction of 5.00 moles of water?
3. How many grams of H₂ are produced with the reaction of 36 grams of water?

In which of the following belong to a category called the main group of elements? nonmetals. transition elements. halogens. alkali metals. it can be more than one answer!

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass