A sealed chamber has a volume of 75.0 liters and contains only nitrogen gas. The nitrogen in the chamber has a temperature of 305 kelvins and a pressure of 2.59 atmospheres. How many moles of nitrogen are in the chamber? The chamber contains moles of nitrogen gas.

One does not belong why? ice, gold ,wood ,diamond and table salt

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled