President Jackson was addressing the Native American Indians
Answer:The number of atoms in 2.0 mole Al is A. 2.0 Al atoms. B. 3.0 x 1023 Al atoms.
Secondly, is aluminum an atom or molecule? Aluminum is the second element in the thirteenth column of the periodic table. It is classified as a post-transition metal and a "poor metal". Aluminum atoms contain 13 electrons and 13 protons. There are 3 valence electrons in the outer shell.
Answer is <u>D</u> - homogeneous mixture has the same throughout a while a heterogeneous mixture is not a uniform throughout. Explanation: I hoped that helped.
Its simple, just make a chart. You start off with 700.0g of Iodine in time of 0 days. You want to divide that number by 2 (cause its the half - life). That number will represent 8 days. Divide the x grams of Iodine again, and you will get the half life of 16 days. Keep on doing that until you get 43.75 grams. Use a calculator if you need to.
Answer:
According to the second statement of the questions, to calculate the air pressure, the volume occupied by the air is assumed constant. This statement is not correct due to the volume that is fullfield by the air is in reality decreasing as the ethanol is added. This way, the vapor pressure calculated and resulting Clausius-Clapeyron plot are affected because as volume decreases, vapor pressure will decrease.
Explanation: