A flexible container at an initial volume of 8.15 L contains 4.51 mol of gas. More gas is then added to the container until it reaches a final volume of 16.9 L . Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?