1. Given the following balanced chemical equation: 2AIN
+
3F2 -->
2AlF3
+
N2
a. How many grams of AIN are needed to react with 1.23 moles of F2?
b. How many moles of N2 are made from 0.346 moles of F2?
c. How many moles of AlF3 are produced from 11.8 g of AIN?
d. How many grams of AlF3 are formed from 8.84 g of AIN?
An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?
Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!