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(Carborundum SiC) is usually found in abrasives in grinding whells and is prepared by reaction of sand or SiO2 with the carbon in coke. Are SiC + C->SiC + CO and define how many kilograms of carborundum can be prepared from 153 kg of coke that is 88.5% carbon?
In the fumaric acid titration, at what volume of NaOH should the missing equivalence point show up
A chemistry lab experiment requires 25.2 g of silver nitrate. How many grams of a 15.5% by mass solution of silver nitrate should be used
A student was in a hurry to leave the lab and recorded the melting point of the recrystallized trimyristin right after washing the crystals with cold acetone. The melting point range was 46 -50 degrees C. Is this a good result
determine its (a) electronic geometry, (b) number of nonbonding domains on the central atom, and (c) polarity of the molecule. Remember, that molecules that have zero nonbonding domains on the central atom AND have all of the outer atoms the same ..
Titration of 25 mL of the calcium hydroxide solution to the endpoint requires 12.15 mL of 0.070M HCl solution. a) What is the millimolar quantiy of OH? in the 25 mL of solution? b) What are the concentrations of Ca2+ and OH?? c) What is the solubi..
Al possesses a specific heat of 0.90 J / gC. If 10 grams of Al are heated from 30 to 40 degrees C and subsequently dropped into water - with all its acquired heat transferred to 20 g of water - how many degrees does the water's temperature increas..
During the chlorination of drinking water and wastewater, what is it that makes chlorine an effective microbiocide?
at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor, 0.30 atm of carbon dioxide, and 0.27 atm of hydrogen. Is the system at equilibrium?
How many grams of NaCN would you need to dissolve in enough water to make exactly 325 mL of solution with a pH of 10.00
Calculate the pH at the equivalence point for titrating 0.170 solutions of each of the following bases with 0.170 M HBr.
Gaseous oxygen is held in 2 separate containers at identical temperature and pressure. The volume of container A is 7.92 L and it contains 0.209 mol of the gas. The volume of container B is 2.45 L. How many moles of the gas are in container B
Find the concentration of Cu2+ in equilibrium with CuBr(s)and 0.10 M Br
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