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Phosphate can buffer in three pH ranges. Provide the chemical formulas of the buffer pairs as well as give the range in which each buffers. Begin with H3PO4/H2PO4-1.
Which of the following reactions notate the formation reaction of CO(g)? 1. C(s) + 1/2 O2(g) ? CO(g) 2. CO(g) ? C(s) + 1/2 O2(g) 3. 2C(s) + O2(g) ? 2 CO(g)
Draw a 3-dimensional sketch, using dashes and wedges. Be sure to show all atoms (no line drawings), to draw pi bonds (with sets of overlapping p orbitals) and to include the orientation of lone pairs of electrons.
What is the lewis structure for NBr3. How many electron pairs in the central atom of NBr3. How many bonding electrons pairs of the central atom of NBr3
a sample has a mass of m1g that contains 2 radioactive elements 20 of element one and 80 of element 2 with molar masses
What happens to recrystallization if crystallization is accelerated by immediately placing the flask of hot solution from the gravity filtration into the ice-water bath
What are the standard conditions of temperature and pressure, and why is it important to have a set of standard conditions
How many grams of Cu(OH)2 will precipitate when excess KOH solution is added to 63.0 mL of 0.610 M CuSO4 solution.
carbon dioxide was allowed to effuse through a small opening under constant pressure conditions. It required 683 s for 1.00 L of this gas to effuse. Calculate the effusion time of ozone (O3) under identical experimental conditions
30 g of carbon are burned in a closed container under conditions of low oxygen. 70 g of carbon oxide forms. how much
The average pH of normal arterial blood is 7.40. At normal body temperature (37C), Kw = 2.4 * 10^-14.
Copper has two naturally occurring isotopes,63Cu (isotopic mass 62.9396 amu) and 65Cu (isotopic mass 64.9278 amu). If copper has an atomic mass of 63.546 amu, what is the percent abundance of each isotope?
what does the product and balanced equation of NaOH+NH4HCO3 come out to be? Also what would the product and balanced equation of CuSO4 + a nail be and NH4HCO3 + heat be
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