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There are six samples without label. Write two net ion chemical reactions that you can use to identify each compound
Draw any one of the skeletal structure of a secondary alkyl bromide with a molecular formula C6H13Br and two stereogenic centers.
a sample of argon gas is at a pressure of 1.24 multiplied by 10^4kpa and a temperature of 24 degrees celcius in a rigid 25-L tank. how many moles of argon does the tank contain?
prepare 250ml of a .5 mol/L aqueous solution of magnesium nitrae, Mg(N3)2. what mass of magnesium nitrate do you need?
Calculate the mass of KI in grams required to prepare 4.00 102 mL of a 2.80 M solution.
the normal boiling point for acetone is 56.5degc. at an elevation of 5300 ft the atmospheric pressure is 630. torr.what
Concentrated stock HCl has a molecular weight of 36.46 and contains 32g of salt for every 100g of acid (termed as 32% w/w). To prepare molar solutions %w/w must be converted into %w/v by considering the density of stock HCl which is 1.16.
a gas has a volume of 25 ml when its pressure .056 atm what will the volume of the gas be at the pressure of 1.00 ?
calculate the volume in L occupied by 0.345moles of a sample of h2(g) at a pressure of 3.90 atm and a temperature of -163C.
If 3.420g of ^226 Ra (t 1/2= 1620 yrs) is separated from its decay products and placed in a sealed 1L vessel, what is the partial pressure (in torr) of helium after 45 days if the vessel is at 0 degrees C? The half life of Rn is = 3.82 days
Calculate the molality of ions in a solution made by mixing 6.17 g of CaCl2, MW=110.98, in 95.08 mL of water at 37.0°C. The density of water at this temperature is 0.9933 g/cm3 Submit your answer to 2 decimal places
a gaseous mixture of and contains 34.8 nitrogen by mass. what is the partial pressure of oxygen in the mixture if the
Which of the following gases has the largest Henry's law constant, Kh, for dissolution in water at room temperature and why
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