Look at the chemical equation shown below. A, B, X, and Y represent different elements. AX + BY → BX + AY Which of the following types of reactions is represented by this equation? A single replacement reaction A double replacement reaction A decomposition reaction A synthesis reaction

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

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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