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When measuring the specific heat of a metal, why is it best to use the minimum amount of water needed to cove the metal. (hint: consider the size of the temperature change)
If Kp = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium?
Glucose is pumped into some animal cells by a symporter powered by simultaneous entry of Na+. The entry of Na+ provides a free-energy input of 10.8 kJ/mol under typical cellular conditions (external [Na+] = 143 mM, internal [Na+] =14 mM
Electron affinity can be defined for molecules just as it is defined for single atoms. Write a complete chemical equation representing the electron affinity of OH. Include all relevant state symbols ((s), (g), etc.)
A 2.4375 g sample containing a mixture of KClO3 and NaCl is heated and under goes a mass loss of 0.6191 g. What is the percent of KClO3?
A 1.5991 g sample of a hydrocarbon is combusted to give 1.6918 g of H2O and 5.1661 g of CO2. What is the empirical formula of the compound
What would be the speed of the following particles if they had the same wavelength as a photon of green light (? = 500.0 nm)? Proton (mass = 1.673 × 10-24 g) Neutron (mass = 1.675 × 10-24 g) Electron (mass = 9.109 × 10-28 g) Alpha particle (mass =..
calculate the pci of k-40 per gram of human body mass. assume the human body is 0.2 potassium by weight the isotopic
The solubility of an ionic compound M2X3 (molar mass = 320. g) is 2.1 multiplied by 10-17 g/L. What is Ksp for the compound?
Calculate the rpoportion of I2 (iodine) molecules in their ground state, first excited stated
Based on the procedure that you used in this experiment, and the same molar quantities of reactants, develops a procedure that would be suitable for the preparation of isobutyl propionate.
Commercial vinegar was tritrated with NaOH solution to determine the content of acetic acid (HC2H3O2). For 20.0 milliliters of vinegar, 32.0 milliliters of 0.500 molar NaOH solution was required. What was the concentration of acetic acid in the vi..
considering the given equation fe2o3s 3 cog rarr 3 co2g 2 fes now determine how much fe iron is produced when 352
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