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Solid sodium is added to liquid water and reacts to construct sodium hydroxide and hydrogen gas and aqueous then explain what would the equation look like?
Show a schematic diagram to support your answer when aniline is a base similar to ammonia. Propose a scheme for separating fluorenone from aniline.
One mole of two ideal monatomic gases, neon and helium are separated in a partitioned pot where each side of the pot is 22.4L and the temperature of the system is 273 K and the partition is removed
Determine the concentration of the final solution which is having a bit of trouble with this question on a homework handout: A 46.2 mL, 0.568 M calcium nitrate solution is mixed with the 80
Determine the number of grams of magnesium sulphate heptahydrate, MgSO47H2O are required to prepare 300 mL of a 0.750M solution?
At 298 K takes place in a cylinder maintained a pressure of two atmospheres. In the cylinder if 30 g of propane is mixed with the 100 g of oxygen, and the reaction proceeds to completion, calculate
Calculate the thickness of the tin foil when the density is 7.28g/cm3 and a tin foil has a mass of 0.822g and measures the 10.5 cm by 4.50cm.
Determine the number of grams of Carbon dioxide will be formed by burning 4.05moles of propane? Suppose the oxygen is the excess reagent in this reaction.
Calculate the Wight percent Al in the original mixture when solid residue weighing the 8.4448 g from an aluminum refining process was dissolved in the acid, treated with 8-hydroxyquinoline, an igni
Suppose you perform an acid-base titration, and the endpoint which is having 24.95 mL with an error of ±0.1 mL. Determine the relative uncertainty in the endpoint volume.
Determine the percent of ethyl alcohol in beer expressed as percent (wt/vol) when the ethyl alcohol content of many beers formed in the United States is 4.05%. If the density of the ethyl alcohol a
Assume that, instead of the carbon-12, fluorine-19 had been chosen as the basis for the atomic masses. If it were assigned a mass of exactly 10.000, Discuss what would the atomic mass of copper be?
Write down a heat cycle to evaluate the heat of formation of oxalic acid, H2C2O4, from heats of combustion that ought to be easily calculated?
Write down a procedure for the enthalpy change of this reaction in terms of the heats of formation of the compounds concerned.
What happens to the mass of ice in the ice or water bath? Will the mass of ice [H2O(s)] increase or decrease? By how many grams will the mass change?
Explain why are the boiling points for each component in a fractional distillation closer to the known values for each component?
Explain why is the transition from the low boiling component to the high boiling component "sharper" in fractional distillation?
How many grams of MgSO4 remain when a certain hydrate has the formula MgSO4 * xH2O. A quantity of 54.2 g of the compound is heated in an oven to drive off the water and 1.54 moles of water are driv
Determine the formate ion concentration and the pH of a solution that is 0.050M in formic acid (HCHO2; Ka=1.8*10^-4) and 0.10M in HNO3.
Calculate the boiling point of toluene at the 600 mm Hg? Osmium us the densest element known. Calculate the density and melting point?
Determine the percentage of oxygen in the product produced when a 4.30-g sample of tellurium combines with oxygen to give 5.92 g of a pure compound.
A sample of an element which is having 2.077-g, which has an atomic mass between 55 and 40, reacts with the oxygen to form 3.708g of an oxide. Calculate the formula of the oxide.
Determine the number of ml of acetic acid is required in order to convert 2g of morphine to heroin if the density of acetic acid is 1.01 g/ml.
An unknown sample was analyzed and found to contain 1.00 g of oxygen and 2.50 g of calcium. Write down the empirical formula of the substance.
Explain how is 1-Bromobenzene produced by the reaction of 1% benzene and Br2 inCCl4 under the influence of sunlight as catalyst?