Determine the numbers of moles of h2so4
Determine the numbers of moles of H2SO4 are required to make the 855 grams of K2SO4 by using the equation
2 KOH + H2SO4 (yields) 2 H20 +K2SO4
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Zinc added to 50ml of a .100 M AgNO3, constant pressure calorimeter. Temperature rises from 19.25 C to 22.17C, the Heat capacity of calorimeter = 98.6 J/C. Determine the enthalpy change (delta H) for the reaction on a MOLAR BASIS. Result of reacti
A sample of 28 of 180 funded projects revealed that 14 were valued at the $17,260 each as well as 14 were valued at $20,620 each. From the sample data, determine the total value of the funding for all the projects. (Enter your answers to two decim
When solid sodium hydrogen sulfite, NaHSO3, is heated, sulfur dioxide gas, SO2; solid sodium sulfite, Na2SO3; and the water vapor are produced.
A sample is composed of a mixture of CuSO4 and CaCO3· 5H2O. A chemist decided to calculate the mixture by dehydrating it by heating it to 120° for12 hours. If a 5.327 g sample weighed 4.281 g after the dehydration, determine the percent
Two hundred fish caught in the Cayuga Lake had mean length of 13.9 inches. The population standard deviation is 3.6 inches. (Give your answer correct to two decimal places.)
Determine the numbers of times can you divide evenly a piece of 10 cm copper wire until it is reduces to two separate copper atoms if the diameter of a copper (Cu) atom is roughly 1,3*10-10m.
The protein has a MW of 35,000. One is interested in determining the affinity of P for leonine. An amino acid binding protein (P) is released from E. coli by the osmotic shock, and purified to homogeneity.
When 1.00 gram of Compound D is totally combusted, 0.735 g H2O and 0.900g CO2 are collected. Calculate the complete empirical formula of compound D.
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