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Question: A patient receives 200mL of a 3.0% (m/v) amino acid solution twice a day. Express answer in 2 significant figures.
Part A: How many grams of amino acids are in 200mL of solution?
Part B: How many grams of amino acids does the patient receive in 1 day?
A system is expanded against an external pressure of 2 atm, changing its volume from 10 to 35 L and absorbing 765 J as heat from the surroundings
Based on the steps occurring in an acid-base reaction, which definition of acids and bases is most practical
Consider the hypothetical elements A, B, and C and assume these elements react to form several different binary covalent compounds. Two of the compounds are A2B2 and B3C.
Balance the following equations: a) Zn(s)+H2SO4(aq)--->ZnSO4(aq)+H2(g); b)Al(s)+H2SO4(aq)--->Al2(SO4)3(aq)+H2(g); c)K2SO4(aq)+BaCl2(aq)--->BaSO4(s)+KCl(aq); d) CaCO3(s)--->CaO(s)+CO2(g); e)Al2(SO4)3(aq)+KOH(aq)--->Al(OH)3(s)+K2SO4(aq).
What is the purpose of distilling two mixtures whose boiling points are very close.
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride c) boil pure liquid methanol (CH3OH) d) sublime pure solid carbon dio..
given the equation 2C2H6(g)+7O2(g)->4CO2(g)+6H20(g) How many grams of oxygen are needed to react with 4.00 moles of C2H6?
Which of the followling molecules would have resonance structures. Select all that apply. (You should draw all resonance structures for the molecule(s). Answer a. NI3 b. O3 c. CCl4 d. CH3NH2 e. NO3-
How would the results differ if you added sodium p-toluate instead of p-toluic acid to the two-layer mixture of tert-butyl methyl ether and water
A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 12.00 mL sample taken from car battery. About 50 mL of water is added to the sample, and then it is titrated with 48.62 mL of a standard 0.6403 M NaOH solution
Arrange the following gasses in order of increasing density under the conditions given. a. Neon at 2 atm and 273 K b. Neon at 1 atm and 273 K c. Helium at 1 at and 273 K d. Neon at 2 atm and 73 K
Atoms of different elements also have different average masses, just like kernels and marbles. Use the mass values from a periodic table to answer the following questions.
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