Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Suppose your unknown is sodium acetate. When a solution of calcium chloride is added to your unknown what will happen?
Calculate the temperature at which the reaction should be run to achieve a fractional CO conversion of 75 %.
A cube of osmium metal 1.500cm on a side has a mass of 76.31 g at 25*C. What is its density in g / cm3 at this temperature?
A common laboratory experiment for introductory chemistry courses involves the analysis of a mixture of BaCl2 and BaCl2.2H2O.
Given that the solubility product for La(IO3)3 is 1.0 x 10-11, what is the concentration of La3+ in a saturated solution of lanthanum iodate?
Find the pH of a solution prepared by dissolving all of the following compounds in one beaker and diluting to a volume.
The irradiation D value for Clostridium botulinum spores is 3.5, while for E. coli the D value is 0.2. What can be concluded from these D values?
The Ksp of La(IO3)3 is 1.0×10-11. Using activities, what is the molar solubility of La(IO3)3 in a 0.050 M solution of NaNO3?
A meal replacement product was formulated to contain 380 mg Na per serving. If NaCl was used to achieve the intended Na level.
10 kg of food at a moisture content of 320% dry basis is dried to 50% web basis. Calculate the amount of water removed.
What pH do you expect if you mix 25.mL of 0.2M NaOH with 50.0 mL of 0.15 M HNO3 and then dilute to 250.0mL in a volumetric flask?
Write a brief paragraph that explains the buildup of proteins from amino acids to the final quaternary structure of the protein.
Given that the partition coefficient for a solute is K in a water-ether solvent extraction system, is it more effective to do one extraction with V mL
Experimentally we observe that the presence of a second very soluble salt increases the solubility of a sparingly-soluble species.
Which of the following substances can oxidize RuO4 2-(aq) to RuO4-(aq) under standard conditions: Cr2O7 2-(aq), ClO-(aq), Pb 2+(aq), I2(s), Ni 2+(aq)?
Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 8.00 of aluminum sulfate.
What are the various sources of heat? What is the relationship between heat and temperature? How are they different?
Determine the direction and quantify the change in free energy the reaction must undergo to reach equilibrium.
What component in Lucozade(given as a glucose resource) may have an adverse effect on the results of the Glucose Tolerance Test?
100 kg of this fuel is burned and you need to calculate the mass of oxygen required for this combustion reaction to occur.
When scuba diving, it is important to come back to the surface of the water from deep dives slowly.
This was mixed well in a blender. One-tenth of a mL of this slurry was added to 9.9 mL of sterile buffer.
Calculate the heat (J), work (J), and changes in internal energy (J) for each of the 3 steps & the total cycle. Give your final values in Joules.
0.5 ml of yeast culture is pipetted in to test tube #1. Then 0.5 ml of the solution form test tube #1 is pipetted into test tube #2.