How many mol of H2 gas are produced from a reaction that yields 47.0 mL H2 at 758 mm Hg and 23.0°C

Based on its chemical properties, identify the position of each chemical family on the periodic table.

What does the xylem do? stores the glucose captures the sunlight absorbs oxygen into the leaf carries water from the roots to the leaves

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!