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7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

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