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A 40.2 g piece of solid iron (Fe(s)) heated to 105? is dropped into 100.0 g of water at 54.2?. Given that the specific heat capacities of Fe(S) and water are 0.450 J/g? and 4.184 J/g?, respectively, what is the final temperature of the system
Given the unbalanced equation: Ag2CO3 ® Ag + O2 + CO2, how many moles of Ag can be produced from 2.5 moles of Ag2CO3.
You are carrying out tlc with a mixture of two compounds A and B. A is less polar than B. On a REVERSE PHASE plate
calculate the mass of a sample of gold that occupies 5.0 X 10^-3 cm3 if the density of gold is 19.3 g/cm
Describe using chemical reactions how Oxone keeps swiming pool water clean (i.e. what would happen to the solubility of organic materials such as algae when treated with Oxone
Would the pH of a 0.10 M formic acid (HCOOH) solution be higher or lower than the pH of a solution containing 0.10 M formic acid and 0.10 M sodium formate (HCOONa)?
List the following aqueous solutions in order of increasing boiling point: 0.121 m C6H12O6 (glucose), 0.042 m LiBr, 0.052 m Zn(NO3)2
Explain whether the molecular structure of aspirin is likely to result in it being addictive? I'm comparing the structure to methylamphetamine
what is the color of cocl2 (aq) solution at boiling water temperature? And in which direction did the equilibrium shift upon
The heat capacity of a bomb calorimeter is found to be 5.68 kJ/oC. When a 1.652 g sample of glucose is burned in the calorimeter, the temperature of the calorimeter increases from 24.56 oC to 29.10 oC. Calculate the heat of combustion of glucose.
A gas mixture with a total pressure of 770 contains each of the following gases at the indicated partial pressures: , 265 ; , 134 ; and , 159 . The mixture also contains helium gas. What is the partial pressure of the helium gas?
What is the smallest amount of CuO (in moles) that would establish the equilibrium?
The dipole moment μ of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1%. Estimate the bond length of the H-Br bond in picometers.
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