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Which of the following will not have ionic bonds?
1. methane (CH4)2. magnesium chloride3. calcium oxide4. KBr5. NaCl
Calculate the mass of sodium chlorate that must be decomposed to form 6.5 g of oxygen. 2NaClO3(s) → 2NaCl(s) + 3O2(g)
When a ketone is treated with LiAlH4 followed by addition of water, what general class of product results?
What is the maximum mass of iron, in grams, that can be obtained from 341 g of iron(III) oxide?
How many moles of NH3 can be produced from the reaction of 0.5 moles of N2 with that amount of H2?
Predict the mass of the most abundant fragment signal in the mass spectrum of 2,2-dimethylpentane. 85 amu 29
Calculate q,w,delta U and Delta H for each segment and for the cycle in which the direction of each process is reversed. In the graph all it says is the P initial =16.6 bar and Vinitial=1.00L and P final=16.6 bar and V final =25L
A bacterial culture isolated from sewage produced 35.0 mL of methane, CH4, at 31°C and 753 mmHg. What is the volume of this methane at standard temperature and pressure (0°C, 760 mmHg)?
At a certain temperature and pressure 1.4 L of N2 reacts with 2.1 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
Should you install a solar water heater? The average home has a 200 liter hot-water tank, which is effectively drained and replenished three times per day.
Predict the coordination number in a NiS crystal. The ionic radii for Ni+2 and S-2 are 0.069 and 0.184nm, respectively.
In the early days of the periodic table, the 1870s, both silicon and tin were known elements, but germanium was unknown. Using these trends and the densities of silicon and tin that you just obtained, estimate the density of germanium?
A solution of phosphoric acid was made by dissolving 10 g of H3PO4 in 100 ml of water. The resulting volume was 104 mL. Calculate the density, mole fraction, molarity, and molality of the solution. Assume water has a density of 1.00 g/cm3
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