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Using a sample of water with a mass of 46.0 grams at a temperature of -58. Degree Celsius calculates how many Joules of energy (E) are necessary to heat the ice to 0 degree Celsius. Specific heat of ice= 2.1 J/g C).
Write and balance the given chemical equation and Write a balanced equation for this reaction
Using a Sample of 0.3991 grams of an unknown monoprotic acid, HA, which combines with Sodium hydroxide according to the balanced equation HA + NaOH ® NaA + H2O when 35.30 mL of 0.1086 M Sodium hydroxide is required to titrate the acid to the equiv..
For alloys of two hypothetical metals A and B. Find out composition of phase boundary (or solubility limit) for both and phases at this temperature.
Calculate brightness of a wavelength undergoing Rayleigh scattering.
A student analyzed and recorded two potassium emission spectra: 1) one using 0.10 M Potassium sulfate solution; 2) one using 0.10M Potassium nitrate solution;. Determine why will significant differences be observed in the two emission spectra.
What is the geometry and hybridization of the carbonyl carbon in carboxylic acids and their derivatives.
What is the concentration of unknown acid solution? Write the neutralization reaction, balance it, name the products THEN Solve the problem above.
Using a sample of 0.0355 gram of an unknown molecular compound is dissolved in 1.000 g of liquid camphor at 200.0°C. Calculate the molar mass of the unknown compound if the camphor freezes at 157.7°C upon cooling.
What is the total electronic energy
N2O4(g) + KCl(s) → NOCl(g) + KNO3(s) Find out oxidation number of each and find which one is reduced and which one is oxidized by Using oxidation number concept? Also write net ionic equation and ionic equation.
Find molarity, molality, percentage composition, boiling and freezing point of a solution - What are the boiling and freezing points of the solution?
Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
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