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The molecular formula for lactic acid is C3H6O3, and its structural formula is CH3CH(OH)COOH. Is this molecule a carbohydrate? Explain.
radiation with a 58.4 nm of wavelength interacts with a h2hydrogen atomand induces the ejection of an electron then
what effect does the presence of sodium sulfite group on methy orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting molecule to be more or less soluble in hexane than ..
An element has a mass of 207 and has 125 neutron in its nucleus. how many protons and electrons does it have and where are they located
How many milliliters of 0.20M NaOH do you need to neutralize 40.0 ml of 0.12M acetic acid?
consider the following observations taken on successive cloudless autumn mornings. on the first day a considerable
(a) What is the lowest order that is overlapped by another order? (b) What is the highest order for which the complete spectrum is present?
Describe the development of the modern periodic table. Include contributions made by Lavoisier, Newlands, Mendeleev, and Moseley.
in general methylamine ch3nh2 is a stronger base than ammonia nh3 and dimethylamine ch32nh is a stronger base than
A student dissolves 0.2975 g of the unknown weak acid to give 100. mL solution. S/he obtains the following titration curve for his/her best titration. At the equivalence point, 19.0 mL of 0.1000 M NaOH was added.
Problem- The solubility of air in water is approximately 2.1x10^-3 M @ 20 degrees Celsius and 1.0 atm. calculate Henry's Constant for air.
Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is radioactive, with a half-life of 28.1 yr. Calculate how long it will take for 0.600 g of the isotope to be reduced to 0.310 g by decay.
A solution with pH of 2.91 is prepared by dissolving 1g. of benzoic acid, HC7H5O2, a weak acid, in 350 ml of water. What is Ka of benzonic acid
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