During a normal breath a typical person has 4.58 liters of air in their lungs. During a "big breath" this becomes 7.04 liters of air, with 0.487 moles of nitrogen contained in the
lungs at that time. How many moles of nitrogen are contained in the lungs during a
normal breath? Be sure to round to sig digs.

Calculate the mass percent of hydrogen in methyl acetate

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change