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Determine the molar volume of H2 at 35 degrees C and 2.50 atm? Determine the numbers of grams of H2 are present? Under these same conditions for H2, find out the volume of 131.3 g of Xe?
Determine the numbers of moles and liters of gas would be formed by reacting 77.5 g of NaHCO3 with excess vinegar? Suppose the reaction releases all the gas and that the reaction takes place at t
Suppose a hydrogen-oxygen fuel-cell generator was used to form the electricity for a house. Use the standard cell potential and the balanced redox reactions to predict the volume of hydrogen gas nee
A reaction mixture in a 10.00 liter flask contains 4.1 moles each of hydrogen and fluorine gases plus 3.4 moles of HF. When this mixture reaches equilibrium what will be the concentration of hydroge
Your response should list the letters for all correct answers in alphabetical order (for example: BFGH). Which of the following molecules or polyatomic ions have a dipole moment (that is, which mole
The rectangle floor of a closet is divided into two right triangles by drawing the diagnol. Length of closet is 2 feet more than twice the width. Diagnol is 13 feet. Find closet's length and width.
Assuming that the rate of decay is 13.6 counts per minute per gram, determine the age of the remnant in years. 14C has a half life of 5730 years. A humanoid skeleton was found to contain 14C with t
What is the percent iron (II) sulfate in the sample if a 1.818g sample containing iron(II) sulfate is dissolved and needs 34.1mL of 0.0115M K2Cr2O7solution to titrate it.
Find out the molarity of a sodium van date (Na3VO4) solution if 35.6mL of the solution are required to titrate a 0.659g sample of pure potassium sulfite ?
Calculate the molecular formula of the compound. A compound of P and F was analyzed as follows: Heating 0.2324 g of the compound in a 378 cm3 container turned all of it into gas, which has a pressur
Discuss how much butane is present as a liquid? If the butane is warmed to 25degrees C, describe how much is present as a liquid? Butane (C4H10) has a heat of vaporization of 22.44 kJ/mol and a
What is the pressure of the gas when a gas collected over water at the 25.0degrees Celsius. Vapor pressure of water at 25.0 degrees Celsius is equal to 23.8mmHg. The atmospheric pressure is 745.omm
What volume will it occupy at a pressure of 700.0mm HG and at a temperature of 25.0 degrees Celsius if a gas occupies 250.0ml at STP?
When placed into calorimeter with 25.00mL of water at 23.0 degrees Celsius the temperature of raised to 27.0 degrees Celsius a metal that weighs 5.75g is 50.0degrees Celsius.
Calculate the purpose of washing the combined methylnechloride layer with the water? How did you dry the ethylene chloride layer after the water wash?
Determine the empirical formula when compound A is branched and optically active and contains the C, O, and H. A 1.00 g sample burns in excess the O2 to yield 2.5g CO2 and 1.23 g of H2O.
Define are the structures that have N-C-O bond skeleton resonance produces of the structures that have the C-N-O bond skeleton? Explain in detail.
Which ion do you think would tend to have lower energy and be more stable, NCO- or CNO-. Explain, based on the comparisons of the Lewis structures and their formal charge the distributions.
What is the molecular formula of the unidentified compound? An unidentified covalent molecular compound contains only hydrogen, carbon, and oxygen.
h= -4.9t2 + 42t +110 where h is in meters and t is time in seconds as ball was thrown. Determine time when ball will be 20 meters from ground.
Discuss why the number of GC peaks observed for the alkenes product in this experiment is smaller than the number of isomeric alkenes that are produced in this reaction.
3.3 mL of 1.0M HCl, 4.9 mL of .0030M AgNO3, and the enough water to dilute the solution to 50mL. For the purpose of this calculation, ignore any reaction of the anion with water.
If the gas is at 23 degrees Celsius and 1.0 atm, what mass of helium is in the blimp when the Goodyear blimp, which frequently fly over sporting events, hold approximately 175,000ft of helium.
Formula y = -16x2 + 48x + 64 models ball's height above ground, y, in feet, x seconds after it was thrown. At what time ball stikes ground?
Complete the drawing of the six Lewis structures for these two ions, including formal charges. Hint: these ions are electronic w/ N2O and the is Lewis structures are the same except for the formal c