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A 80.0 mL stock solution contains 5.00 M BaCl2. When 25.0 mL of the stock solution is diluted to 75.0 mL, how many moles of Ba2+ ions will be contained in the dilute solution?
Consider the hypothetical reaction A(g) ? 2 B(g). A flask is charged with 0.75 atm of pure A, after which it is allowed to reach equilibrium at 0 °C. At equilibrium the partial pressure of A is 0.36 atm. What is the total pressure in the flask at ..
nbspa radiation biologist studies the decomposition rate of a certain substance and obtains the given data as mass mug
The average concentration of bromide ion in sea water is 65 mg of bromide per kg of sea water. What is the bromide molarity if the density of seawater is 1.025 g/ml
Four hundred kg/h of Steam from a low pressure turbine at 12.5 atm. and 250 C goes into a feed water heater which preheats the water entering the economizer in a boiler. The steam is comes out of the feed water at 200 C. The water at a flow rate o..
The recommended daily allowance of vitamin B2 (riboflavin) is 1.7mg per day for the average adult. If cheese, which contains 5.5 x 10^-6g of riboflavin per gram, were a person's only food source, how many feet of string cheese (diameter 0.15in; de..
Enamines are generally reactive toward electrophiles. For example, compound E reacts with HBr at room temperature. Surprisingly, enamine F is unreactive with HBr even at 150 °C. Provide a rationale forthis difference in reactivity.
A 2.00L flask originally containing 0.500M disulfur decaflouride is allowed to reach equilibrium and found to contain 0.023M disulfur decaflouride. If an additional 0.125mol of the disulfur decaflouride is added and equilibrium re-established, wha..
Why can a first nitration be done at 0 degrees Celsius but the ice bath is removed to complete the reaction in a dinitration
When ethane is reacted with oxygen in the air, the products are carbon dioxide and water. This process requires ____ moles of oxygen for every one mole of ethane.
Phases are optional. A. 0.450 L of 0.420 M H2SO4 is mixed with 0.400 L of 0.200 M KOH. What concentration of sulfuric acid remains after neutralization?
0.1 g of Na2CO3 - K2CO3 powder mixture was reacted with excess HCl. According to the gas volumetric measurement, 20.4 cm^3 of CO2 was evolved at 25 degrees Celcius and 730 Hgmm pressure. Calculate the composition of the original mixture
Identify the alkaline Earth metal. Express your answer as a chemical formula. Write the formula for the metal hydride. Express your answer as a chemical formula.
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