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Question- A balloon filled with helium has a volume of 31.2 L at 297 K. What volume will the balloon occupy at 265 K?
Using textbook reference solve the reactions given in above problem
What is the vapor pressure (in torr) above a solution prepared by mixing 47.89 g of water, H2O, with 47.65 g of ethanol, C2H5OH, at 63.50 °C?
A particular ball bearing has a mass of 85.0 grams. Calculate its diameter in cm. The density of this type of steel is 7.78 g/cm3
an automobile gasoline tank holds 49 of gasoline. when the gasoline burns 172 of oxygen are consumed and carbon dioxide
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range.
What is the uncertainty of the position of the bacterium. Express your answer numerically in meters.
Give the oxidation state of the metal , its d-electron configuration and the correct names (IUPAC system) for each of the following complexes.
Would the pH of a 0.10 M formic acid (HCOOH) solution be higher or lower than the pH of a solution containing 0.10 M formic acid and 0.10 M sodium formate
Acetic acid is a monoprotic acid and thus the reaction stoichiometry is 1:1. that is one mole of sodium hydroxide will neutralize one mole of acetic acid.
an experiment requires 42.0 of ethylene glycol a liquid whose density is 1.114 . rather than weigh the sample on a
Draw a Lewis structure for the most importance resonance form of each ion, showing formal charges as well as oxidation numbers of the atom (a) AsO43-(b)ClO2-
Utilizing the average atomic masses for each of the following elements, Compute the number of moles of the element present in each of the following samples
The normal freezing point of water is 0.0C. at this temperature the density of liquid water is 1.000 g/ml and the density of ice is 0.917 g/ml. The increase in enthalpy for the melting of ice at this temperature is 6010 J/mol.
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