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How much heat in kilojoules is evolved or absorbed in the reaction of 233.0 g of calcium oxide with enough carbon to produce calcium carbide? Is the process exothermic or endothermic?
How can i find the pressure of oxygen if it's in a mixture of .40 moles of oxygen and .20 moles of nitrogen at 1.2 atm pressure
When 142g of calcium fluoride are reacted with an excess of sodium bromide,calculate the mass of calcium bromide formed.
The following minerals contain silver. Rank the minerals in order of percent silver from least to greatest: miersite, AgI; hessite, Ag2Te; empressite, AgTe; and cerargyite, AgCl.
the amount of product formed in the reaction mixture was 12 micro-moles. If, in a separate experiment, one-third as much enzyme and twice as much substrate had been combined, how long would it take for the same amount (12 micro-moles) of product t..
Glucose Isomers, When glucose is placed in water two stereoisomers are formed, one with the new OH on the opposite side of the ring than the 6th carbon
If during the course of the reaction, the vessel is found to contain 7.00 mol of C, 14.1 mol of H2O, 3.00 mol of CO, and 8.60 mol of H2, what is the reaction quotient Q?
If solar radiation is 1200 W/m^2 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation. A green leaf has a surface area of 2.15 cm^2.
How much heat is needed to melt 22.4g of ice at zero degrees celcius to form liquid water at zero degress celcius?
What volume of hydrogen gas, in liters, is produced by the reaction of 4.71g of iron metal with 60.0mL of 2.03 M HCl?
Would you expect the carotenoid pigment fraction to come off sooner or later than it did with 95:5 Hexane:Acetone? What effect would you expect if you used 100% hexane instead
My balanced equation is: 3HBr(aq) + Al(OH)3 (s) ----> AlBr3 (aq) + 3H2O(l) My question is: What are the spectator ions
What are some reasons why there would be a difference between the expected and actual values for the moles of copper oxide produced from heating copper in the air.
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