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Use the equation: PI3 + 3H2O → 3HI + H3PO3 to determine the number of grams of HI that will results from the reaction of 5.00 g of PI3, assuming complete reaction?
Which element is oxidized and which is reduced?
4NH3 + 3Ca(ClO)2 -> 2N2 + 6H2O + 3CaCl2
What are the possible values for m when the principal quantum number (n) is 2 and the angular momentum quantum number () is 0?
a calorimeter has a measured heat capacity of 6.27 kj/c. the combustion of 1.84g of magnesium caused temperature to rise from 21.30 to 28.56 c is this reaction endothermic or exothermic?
Oxygen has three naturally occurring isotopes call mom oxygen-16, oxygen-17, and oxygen-18, with respective masses of 2.6560x 10^-21 kg, 2.8228x10^-26 kg, and 2.9888x10^-26 kg. What is the mass of an individual proton and individual neutron?
- When the following equation is properly balanced, what is the coefficient for O2(g)?
Calculate the concentration of OH– in a 0.250M solution of the sodium salt of a weak acid (pKa = 6.00). in M
- In a biochemical assay, a chemist needs to add 2.93 g of glucose to a reaction mixture. Calculate the volume in mL of a 1.35M glucose solution she should use for the addition.
- The concentrated sulfuric acid we use in the laboratory is 98.0 percent H2SO4 by mass. Calculate the molality and molarity of the acid solution. The density of the solution is 1.83g/mL
