Which reaction has a positive

Which of the following structures is a correct wedge/dash drawing of the following Fischer projection?

Which of the following letters represents

In which reaction is Keq > 1?  

Consider the following balanced reaction. How many grams of water are required to form 75.9 g of HNO3? Assume that there is excess NO2 present. The molar masses are as follows: H2O = 18.02 g/mol, HNO3 = 63.02 g/mol.                         3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g) A) 38.0 g H2O B) 21.7 g H2O C) 43.4 g H2O D) 10.9 g H2O E) 26.5 g H2O

What is one of the products of a combustion reaction? A) graphite B) hydrogen C) oxygen D) heat E) ethanol  

The U.S. imports ______ goods than it exports.

An example of a microeconomic issue is when Dell announces that it is lowering the price of laptops by 10%.

If you were writing to suggest a policy proposal/change/elimination to your local member of Congress about endocrine disruptors and pollution, what would you advocate (no wrong answers, but support your idea with scientific as well as any relevant ethical/economic/aesthetic arguments you use to come to your conclusion).

What is another term used to describe tall T waves?