Help: A boy stands on a scale and finds his weight to be 76.4 lb. If his feet cover an area of 16.9in?, how much pressure in
Ib/in2 is the boy applying to the scale?

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.

Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass