Chemist performs an action below. She starts with 20 g of NA, and at the end of the experiment she managed to collect 0.50 g of hydrogen gas. What was the actual yield of her experiment? 2Na+2H2O-> 2NaON +H2

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

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.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years