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Using the periodic table, rank the elements in the following set in order of increasing (from lowest to highest) first ionization (IE1); F, Rb, Be, N. Explain your answer.
Chlorine has 2 naturally occurring isotopes, 35Cl (isotopic mass 34.9689 amu) and 37Cl (isotopic mass 36.9659 amu). If chlorine has an atomic mass of 35.4527 amu, what is the percent abundance of each isotope?
What mass of ammonium thiocyanate must be used if it is to react completely with 6.5g barium hydroxide octahydrate?
How many calories of heat were added to 111.6 g of water to raise its temperature from 25oC to 55oC?
if 86.1 g of nitrogen reacts with lithium, how many grams of lithium will react
How many moles are in 615.90g of Al2(SO4)3
The volume of a sample of hydrogen gas at 0.997 atm. is 5.00L. What will be the new volume if the pressure is decreased to 0.977 atm. Temperature is constant.
Calculate the mass of hydrogen formed when 30 grams of aluminum reacts with excess hydrochloric acid according to the balanced equation below:
2Al + 6HCl --> 2AlCl3 + 3H2
The vapor pressure of solid iodine at 25°C is 1.42mmHg. Calculate the vapor pressure in atm and torr. Round each of your answers to 3 significant digits.
If you have 56 grams of O2 that react with NH3, how many moles H20 will be produced?
