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What is the molar mass of a gas that occupies a volume of 1.500 L at a pressure of 356 mm Hg, a temperature of 22.5 C and weighs 0.9847g?
2Al(s)+3H2SO4(aq) -> Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.5g. What minimum mass of H2SO4(in g) would you need?
Celcius and add 130.0mL of water at 95.00 Celcius, what is the final temperture of the mixture? Use 1.00 g/mL as the density of water.
If there are 1.8 million people served by this water and each person uses 750 L of water a day, how many kilograms of sodium hypochlorite must be added to the water supply each week to maintain the 1.00ppm chloride level
Please review the occurrence and cycling of calcium in nature, along with its use. Analyze and evaluate the article as to it's contemporary relevance regarding the elements availability, health implications and environmental impact.
Compare the energy of a photon of wavelength 3.4 um with that of wavelength 0.155 nm. answer is in E1/E2
Calculate, in sequence each of the following quantities in the acqueous solution to determine the equilibrium constant for the reaction: a) mole of FeNCS+2 the form in the reacting equilibrium
The vapor pressure of water at 45.0 degrees celcius is 71.93 mmHg. Calculate the vapor pressure of a solution of 1.50m K2CO3 at this temperature
a saturated solution of copper(I) chloride, CuCl, has [Cu^+]=1.1x10^-3 M and [Cl^-]=1.1x10^3 M. what is the value of Ksp for CuCl
determine how hot should be the air in a ballon be heated ifnbsp it has initially a volume of 750. l atnbsp the
Determine the mass of substance C that will form when 45.0 grams of substance A reacts with 23.0 grams of substance B. (Assume that the reaction between A and B goes to completion.)
HCL and heat to do the normal lab, if the solubities of reactant and product were reversed thou , how would the isomerization be followed. How would one knows when it is complete
What is the enthalpy of vaporization of acetone (CH3COCH3) at its normal boiling point of 56.2?C? The entropy of vaporization of acetone is 88.3 J/K·mol,Answer in units of kJ/mol
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