How much extra string require for string one foot off earth
Assume that you were to warp the piece of string around equator of Earth. How much extra string would you require if you wanted string one foot off Earth all way around? Suppose earth is perfect circle.
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Determine the volume of CO2 at 16.5°C and 746 mm Hg pressure obtained by treating 32.6 g of Na2CO3 with an excess of hydrochloric acid.
A student added 5.38g of Al(OH)3 to a beaker which is having the 250.0 ml of a 1.00M HCl solution , stirred it, and observed that the solid dissolved totally.
To form the aluminum sulfide the elemental aluminum reacts with the elemental sulfur. When this compound is mixed with the water, a white precipitate and a foul-smelling gas are produced.
How can determine the numbers of mg of C,H,O is present in the original sample Y. The combination of 20.63 mg of compound Y, which is having only the C, H, O, with excess oxygen gave 11.85 mg of H2O and 57.94 mg of CO2.
Calculate the crystal field splitting energy for this ion in the kJ/mol when a chemist claims to have found a complex ion where the most intensely absorbed light is 337.0 nm.
Determine the numbers of unpaired electrons are in the d-orbital splitting diagram for an octahedral complex ion of the Fe2+ in the low spin case
Determine the numbers of hours will it take to form the 46.0 kg of Al metal by the reduction of Al3+ in an electrolytic cell using a current of 347 amps?
Estimate both the trans- and cis- isomers of the 1-bromo-2-methylcyclohexane. Provide the product when each of the isomers reacts with the sodium meth oxide at an elevated temperature.
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