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Question 1 of 4 0.5 Points Which of the following statements are true about Essential Nutrients? A.Our bodies need them to function properly. B.Our bodies cannot make them. C.They must be obtained from food or supplements. D.All of these are true. Reset Selection Question 2 of 4 0.5 Points What do free radicals do? A.Assist in respiration B.Cause oxidation C.Repairs damage caused by antioxidants D.Cause reduction Reset Selection Question 3 of 4 0.5 Points How do we measure the amount of electrons donated by vitamin C? A.Titrate the donated electrons and look for color change B.Use a ruler to measure the donate electrons C.Use a clock to measure the length of the reaction and when a color change occurs D.Weigh the donated electrons on the balance Reset Selection Question 4 of 4 0.5 Points Which of these is not one of the three components of a titration? A.Titrant B.Indicator C.Analyte D.Precipitate
The enthalpy change for the reaction of 50.0ml of ethylene with 50.0ml of H2 at 1.5 atm pressure (problem ^H= -0.31kj. What is the value of ^E
To find the volume of flask B, the gas is transferred to it where the pressure is 68.5 kPa at a temperature of 27.9 oC. What is the volume of flask B
given the following datamass of unknown metal carbonate 1.8500gmolarity of hcl solution 0.1789 mmolarity of naoh
Determine which of the following kinds of light contain enough energy to break chemical bonds in biological molecules by calculating the total energy in 1 mol of photons for light of each wavelength.
the momentum of a particle is given by mv where m is the mass ofthe particle and v its velocity. the kinetic energy is
What volume of air is required to burn 5.0 liters of methane when both are the same temperature and pressure
How many ml of oxygen is dissolved in 50 ml blood plasma at 38 degrees C, if the partial pressure of oxygen in the plasma is 13.3 kPa?
Sorbose, C6H12O6, is used in making vitamin C. A sorbose sample containing 96.0 g of carbon atoms also contains ____ g of hydrogen atoms.
Part A: Thymolphthalein is an indicator that changes color over a range from pH = 9.3 to pH = 10.5 . What is Ka of thymolphthalein. Part B: Alizarin yellow R, Ka=7.9x10^-12, is yellow in its protonated form (HX) and red in its ionized form (X-)
when formic acid is heated it decomposes to hydrogen and carbon dioxide in a first-order decayhcoohg rarrco2g h2 gthe
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
What is the value of Henry's law constant for N2 under these conditions?
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