The molar mass of hydrogen (h2) is 2. 02 g/mol. A sample contains 4. 00 mol of h2. What is the mass, in grams, of this sample?.

Students who utilize the" read, underline and eliminate" strategy are more likely to get better test grades. why do you think this is so

Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio

Ernest compares three recipes for pizza dough. select the recipe with the greatest amount of flour per serving.