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A beaker contains 21.0 g of hot water at a temperature of 88.8oC. After a while, the temperature of the water falls to 24.3oC. How much heat was lost by the water? The specific heat of water is 4.184 J g-1 oC-1.
A) 0.0879 kJB) 2.14 kJC) 0.0645 kJD) 5.67 kJE) 7.80 kJ
What mass of helium gas is needed to pressurize a 112.0 L tank to 262 atm at 25°C?
Draw the structure(s) of the secondary alcohols with the chemical formula C6H14O that have a 6-carbon chain.Although stereochemistry may be implied in the question, DO NOT consider stereochemistry in your drawing.
A patient is given 0.055mg of technetium -99m, a radioactive isotope with a half-life of about 6.0 hours.
determination of the molar mass via frezzing -point depression could determine the identity. What other tests could have been performed on the unknown solute to determine identity?
What is the temperature of 0.600 mol of gas at a pressure of 1.5 atm and a volume of 12.1 L
How many moles of CO2 will be produced if 3.119 g of O2 are reacted completely?
The self-amplifying reaction in which neutrons produced by the fission of one nucleus would induce fission in other nuclei is called
Bismuth oxide reacts with carbon to form bismuth metal: Bi2O3(s) + 3C(s) --> 2Bi(s) + 3CO(g)
How many moles of KMnO4 are present in 25.0 mL of a 0.0900 M solution?
If one cubic centimeter section of a reactor has a macroscopic fission cross section of 0.989 cm-1, and if the thermal neutron flux is 1x10^15 n/cm2 s, calculate the fission rate per cubic centimeter.
Draw a structure of the species that is formed at the lower PH if the acid proton adds to the azo nitrogen atom adjacent to the aromaic ring containing the SO3- group. Why does the proton adds to this particular nitrogen when two other nitrogen at..
How many grams of isopropyl alcohol, C3H7OH, should be added to 1.0 L of water to give a solution that will not freeze above -16°C
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