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A 7.0 liter balloon at room temperature (22 degrees celsius) contains hydrogen gas. If the balloon is carried outside to where the temperature is -3.0 degrees Celsius, what volume will the balloon occupy?
If each bottle contains 0.358 pint of mouthwash with a density of 0.880g/mL , how many kilograms of alcohol are in 200 bottles of the mouthwash.
Determine the molarity of a solution formed by dissolving 15.79 grams of CaCl 2 , calcium chloride in 200.grams of H 2 O, water?
Calculate the equilibrium constant K for the isomerization of glucose-1-phosphate to fructose-6-phosphate at 298K .
Considering given equation as P4(s) + 5 O2(g) P4O10(s) where ΔH = -3013 kJ/mol you just need to compute the heat evolved when 436 grams of white Phosphorous (P4)burns in air according to the given equation as above.
Determine the limiting, excess reagent & percent yield of the reaction - How much excess reagent is left after the reaction reaches completion?
A 27.0-g sample of water at 250. K is mixed with 47.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The reaction of barium metal with liquid water produces 660.2 kJ of heat for every mole of barium that reacts. One of the products is barium hydroxide.
Compute the solubility of CO 2 in H 2 O at 25 oC in moles/L if the partial pressure of CO 2 in the headspace water sample is 1.56 atm.
What minimum mass of succimer (C4H6O4S2) (in mg) is needed to bind all of the lead in a patient's bloodstream? Assume that patient blood lead levels are 25 micrograms/deciliter.
magnesium hydroxide is 54.87 oxygen by mass.How many grams of oxygen are in 175 g of the compound?How many moles of oxygen is in this.
The feed to reactor contains only C 2 H 4 and HBr. if the molar flow rate = 165mol/s, compute the fractional conversion of the limiting reactant?
A 0.5485 g solid mixture have only ferrous chloride hexahydrate and ferrous ammonium sulfate hexahydrate. dissolved in 1M sulphuric acid get oxidized to Fe3+ with hydrogen peroxide, and get precipitated with cupferron.
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