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The thermite reaction is given by- Fe2O3(s) +Al(s) ------> Fe(l) + Al2O3(s). Explain how many grams of molten iron will be produced if 2.29 moles of iron (III) oxide is consumed?
Glass cuvette, used for precision measurements in a spectrometer, are marked so that they always have the same orientation in the sample compartment. What error does this minimize and why
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
If an ion having 4+ charge and a mass of 49.9amu has 2 electrons with principle quantum number n=1, 8 electrons with n=2, and 10 electrons with n=3. Provide nas many of the properties for the ion as possible from the information given.
An experiment was done utilizing a simple spectrophotometer. An aspirin tablet was added to 2mL of 1 M sodium hydroxide solution and 10mL of water, and brought to boil to dissolve the tablet. The solution was then diluted to 100mL with water. 1.00..
Ca3(PO4)2 + 3 H2SO4 -> 3 CaSO4 + 2 H3PO4. Presume the reaction is carried out starting with 103 g ofCa3(PO4)2 as well as 75.0 g of H2SO4. Which substance is the limiting reactant.
A typical home uses approximately 2000 kWh of energy per month. If the energy came from a nuclear reaction, what mass would have to be converted to energy per year to meet the energy needs of the home
the oxides of group 2a symbolized by m here react with carbon dioxide according to the following reaction.mos co2g
What is the frequency difference in these shifts, assuming that TMS is tuned to a frequency of 120 MHz. What would be the frequency difference for the above shifts using a 600 MHz instrument
Atmospheric pollution is a problem that has recieved much attention. not all pollution, however, is from industrial sources. Volcanic eruptions can be a significant source of air pollution.
You can make ester from a carboxylic acid as well as an alcohol or hydrolyze an ester to the corresponding alcohol as well as carboxylic acid under similar conditions however at identical temperatures. Does this negate the second law of thermodyna..
When an ion-selective electrode for X was immersed in 0.0670 M XCl, the measured potential was 0.0250 V. What is the concentration of X when the potential is 0.0400 V
How many grams of potassium permanganate are needed to decolorize 1g of 2-pentane in basic solution?
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