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Calculate how many joules are needed to heat 18.2g of tin from 24C° to 37.7C°?
We needed a 50ml of a 0.1 M Tris buffer pH 9.0 then we added 1.0 N HCl or 1.0 N NaOH and water now calculate the theoretical volumes of 1.0 M Tris base?
Phosphorous acid, is an important compound in industry and agriculture, H3PO3(aq), is a diprotic oxyacid .determine the pH for each of the following points in the titration of 50.0 mL of a 1.5 M H3PO3(aq) with 1.5 M KOH(aq).
Calculate the molecular weight of this gas if A sample of gas weighs 0.250 g and occupies a volume of 112 cm3 at STP?
Evaluate the energy of an electron excited from a hydrogen atom using Bohr's model. Determine the maximum wavelength of energy needed to observe a photoelectric effect for potassium.
Estimate the ratios of the basic and acidic forms of the histidine side chain
This given reaction: 2 O3(g) -→ 3 O2(g) has an empirically determined rate law (with a single unimolecular event). Determine what is the observed rate If k =4.0 × 105s-1, [O2] = 0.2M and [O3] = 0.5 M?
Determine how would you compare the escape velocity of asteroid Y as compare to the escape velocity of asteroid X?
Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.
How you will protect an underground pipe line from corrosion and what are biodegradable polymers or what are conducting polymers
What is the osmotic pressure of a homogenous solution at the temperature At 25 o C, as this solution is consisting of 21.0 g urea
Find out How many grams of gasoline will fill a 12.5gal tank if a particular brand of gasoline has the density of 0.737 g/mL at the temperature of 25 degree Celsius?
This is the given reaction CaC2(s) + 2H2O(l) = C2H2(g) + Ca(OH)2(aq) determine How much H2O is needed If 48 g of CaC2 are consumed in this reaction?
Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.
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