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Volume of water used, mL: 75.0ml Initial temperature of water: 23.4 degree celsius Mass of salt taken, g: 5g Moles of salt taken, mol: 0.0625mol Highest/lowest temperature,: 24.0/20.1 Calculate heat flow,J and calculate the Enthalpy change,KJ/mol: Name of the salt is: NH4NO3(S)
How many grams of Fe2O3(s) are produced from 500.0 g of FeS2(s) and 400.0 g of oxygen gas?
Comment on whether or not your calculation supports the idea that thermal pollution around the cooling vents of nuclear reactors is detrimental to marine life
calculate how much CaCN2 is required to form 12.6 moles of ammonia? Given that the percent yield is 65.8%?
a mixture with 75% R and 25% S has an optical rotation of -30. what is the optical rotation of pure R?
What is the mass of silver bromide AgBr precipatated from 2.96 g of iron (III) bromide FeBr3 ? FeBr3 + AgNO3 = AgBr + Fe(NO3)3.
How many grams of silver nitrate does it take to react completely with 7 mol Cu?
A 15.0- mL sample of 0.100 Ba(OH)2 is titrated with 0.125 M HCl. Calculate the pH for at least five different points throughout the titration curve and make a sketch of the curve.
a 250ml solution of NaOH has 20g of solute. what is the concentration in moles per litre? what is the concentration of each ion?
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
What is the molar concentration of 2.0 grams of sodium chloride brought to 0.25 L using water
Determine the amount of hydrochloric gas that should be bubbled into the buffer to triple hydronium ion concentration is closest to what?
Molecular Mass by Freezing point Depression (Preliminary Lab).
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