Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Determine the various degrees of freedom for the following molecules: a.) Xe, b.) HCl, c.) CS2, d.) C2H2, e.) C6H6, f.) hemoglobin in molecule containing 9272 atoms.
A student attempted to wash the salt out of the sand by adding 5.00 mL of water at 19.2 deg C and then filtering. A mixture contains 6.75 g of sand and 2.11 g of salt. After drying the residue, the
Write down the reaction for which sulfur trioxide decomposes to oxygen and sulfur dioxide. Imagine that one mole of each gas is placed into a 2 liter flask at a T for which K=1. Determine t
Discuss why the p-nitrophenol is stronger acid than phenol itself. Would p-methoxyphenol be a stronger or weaker acid than phenol? Explain.
Determine the numbers of mL of acetic acid would you require per liter of solution (with the rest of the volume coming from the acetate solution) to generate a pH of 4.88 where the pKa of acetic aci
Determine the ionization energy of an excited state hydrogen atom in which the electron occupies the n = 2level. Hint: The ionization energy is defined as the energy needed to completely remove a
Write down the symbol for this ion (give the symbol for the nucleus and give the ionic charge as a right superscript.) One isotope of a metallic element has mass number 117 and has 67neutrons in th
The vapor pressure of H2O is 175 torr at 63.5C, and that of ethanol, C2H5OH, is 400 torr. A solution is made by mixing equal masses of H2O andC2H5OH.
Determine the numbers of milli grams (mg) of APS are weighed out to make the 1 ml of a 10% (w/v) APS stock solution? Ammonium per sulfate (APS) is used as the initiator of polymerization of acryl a
Determine the final concentration of all three components in the 1x working solution? Report Tris base and glycine in m Mand SDS as w/v percent.
The Coomassie Brilliant Blue staining solution, which is used to visualize the proteins in the polyacrylamide gel contains. 40% (v/v) methanol, 1% (w/v) Coomassie Brilliant Blue and 10% (v/v) glacia
It is synthesized from K2PtCl2 (aq) and aqueous ammonia in a reaction that procedure KCl and cisplatin (aq). 5.00 ml of 0.0120 M K2PtCl4 (aq) is mixed with 3.00ml of 0.0562 M aqueous ammonia
In the 19th century, this manufacture resulted in significant pollution of Onondaga Lake. Solvay, NY, 60 miles northeast of Ithaca, is named after a process of manufacturing sodium carbonate (Na2CO3
Discuss how much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(g C). A quantity of ice at zero degrees Celsius was added to 33.6 g of water in a glass a
Determine the numbers of lab coats could be cut from a 13 meter by one meter piece of cloth if 245 centimeters of cloth are required for a lab coat.
Determine the value of gold in got the 20.0 cm long by 8.5 cm wide by6.0 cm tall, if the mass of a cubic cm of gold is 19.3 grams and the price of gold is $356 per ounce?
Lithium reacts with water, giving a solution of lithium hydroxide and releasing the hydrogen gas. Write down a balanced equation for the reaction by using the complete formulas for the compounds wi
The element europium exists in nature as two isotopes: 153 Eu has a mass of 152.9209amu and 151 Eu has a mass of 150.9196 amu. The average atomic mass of europium is 151.96 amu.
An element consists of 24.10% of an isotope with mass 205.9745 amu, 1.40% of an isotope with mass 203.973 amu, 52.40% of an isotope with mass 207.9766 amu and 22.10% of an isotope with mass 207.975
Determine the numbers of milligrams of dye are weighed out, to make a 1 ml of a .5% (w/v) bromophenol blue stock solution which will later be added as a tracking dye to sample buffer.
Explain what volume of 10x transfer buffer stock, 100% water and methanol are added to make one liter of a 1x working solution of transfer the buffer? A 1x working solution of transfer buffer conta
Determine the numbers of grams of H20 are formed by the complete reaction of 100g K2Cr2O7 and determine the numbers of grams of K2Cr2O7 are essential to form the 50g CrCl3?
Explain the general process by which all of these subunits are joined together to form larger molecules. For each of the four major classes of organic compounds, identify the subunits.
If a P(CH3)3 donates an electron pair to the AlCl3 and a new covalent bond is not produced on the acid (it just gets the lone pair), and then the base is left without an octet, does that mean there
Determine the boiling point of water at the given pressure if the temperature inside a pressure cooker reaches 1.41atmospheres. Given that water boils at 100 degrees C under 1atmosphere of