Use the equation below to answer the following two questions.
2C2H6 + 7O2 ---> 4CO2 + 6H2O
8. How many moles H2O are produced when 94.5 moles C2H6 decomposes completely?
a. 185.3 moles
b. 267.5 moles
c. 31.5 moles
d. 283.5 moles

9. How many grams C2H6 are needed to completely react with 42 grams O2?
a. 11.1 grams
b. 137.55 grams
c. 0.37 grams
d. 142.08 grams

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Explanation for basic character?

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?