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Which of the following molecules are polar? (There may be more than one; choose ALL the polar molecules for full credit)
CH3CH2ClCl2OXeF4BF3
200 mL of 1.00M NaOH is reacted with 200 mL of 1.00 M HCl in a calorimeter. The calorimeter and the solutions were at an initial temperature of 19.5oC before mixing.
How much heat is evolved in converting 1.00 mol of steam at 145°C to ice at -50.0°C? The heat capacity of steam is 2.01J/g?°C and of ice is 2.09J/g?°C.
If 0.130 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
How many molecules of NO2 are produced when 5.38 mol of ammonia is completely reacted?
Cesium ions are added to flood the flame with electrons. It needs to be in a large concentration, larger than what is being measured.
find the number of moles of water that can be formed if you have 218 moles of hydrogen gas and 104 moles of oxygen gas
Gaseous hydrogen has a density of 0.0899g/L at 0 degrees Celsius. How many liters would you need if you wanted 1.0078 g of hydrogen?
Description of Chemical Reactions, Why when heating and cooling three different separate substances in open containers does the mass change in two of them (one loss mass; the other gained mass) but stays the same in the third when it is known that..
Consider H2, D2, and H2O, treated as ideal gases as pressures of 1 atm and temperatures of 293.2 K.
Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.
Given the reaction 4Al(s)+302(g)--2Al2O3(S), what is the minimum number of moles of oxygen gas required to produce 1.00 mol of aluminum oxide?
Metals Covalently Bonded to Benzene, Specifically interested to know why you don't see metals bonded to benzene with a covalent sigma bond. I am not interested in metal benzene complexes.
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