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Question: When 15 mL of water at 21 C is combined with 11 mL of water at 63 C, what is the final temperature of the water?. The specific heat of water is 4.184 J/g/K and its density is 1.0 g/mL.
Use the standard reduction potentials to find the equilibrium constant for the following reaction at 25 degree Celcius:
Calculate the reaction Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g) What mass of ZnCl2 (MW = 136.3 g/mol) can be prepared from the reaction of 3.27 grams of zinc
A running automobile produces CO at a rate of 188g CO per hour. A car is left idling in a garage 5.2m long, 4.0m wide, and 2.2 m high at 20 degrees C. How long would it take to build up a lethal concentration of CO of 1000 ppmv?
what is the minimum amount of 6.0 M H2SO4 neccessary to produce 23.5 g of H2(g) according to the following reaction? 2Al(s) +3H2SO4(aq) --> Al2(SO4)3(aq) + 3H2(g)
Calculate the molality of a 0.055 M solution of ethyl alcohol of in water at 25 C. (Assume the density of the solution at such low concentration is equal to that of water at 25C, 0.997 g/mL.
An aqueous solution is made by dissolving 24.5 grams of manganese(II) chloride in 466 grams of water.
Do not delete any of the atoms or bonds in the template with the Erase button, and do not move atoms or groups directly attached to the ring by dragging them.
Sketch a molecule of Pbr3Cl2 in which the chlorines are in axial position position. Sketch another molecules of Pbr3Cl2 in which the chlorines are equatorials positions.
A compound contains the following: 84.1% C and 15.9% H. The molecular mass of the compound is 120 g/mol. What is the empirical formula and molecular formula
when 1.50 l of 1.00 m na2so4 solution at 30.0 degrees celcuis is added to 1.50 l of 1.00 m bano32 solution at 30.0
What is the rate constant? what would happen if you increase the concentration of NO by a factor of 1.9?
A reaction between methane and hydrogen sulfide to produce carbon disulfide and hydrogen gas was carried out. CH4 (g) + 2 H2S(g) → CS2 (g) + 4 H2 (g)
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