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Question- How much heat (in kJ) is required to warm 12.0g of ice, initially at -14.0C, to steam at 113.0C? The heat capacity of ice is 2.09 J/g x C and that of steam is 2.01 J/g x C.
Please be very comprehensive in your answer and do not omit any steps
Balance the following oxidation-reduction reactions that occur in basic solution.
Sodium bromate is used in a mixture which dissolves gold from its ores. Calculate the mass in grams of 4.68 mol of sodium bromate.
density of 9.14g/cm^3 is placed in a 30.0mL cylinder. Water level rises to 34.5mL. what is the mass of the piece of metal?
What amount of chlorine gas is obtained by treating 80 g of magnesium dioxide in excess of HCl the following reaction. MnO2 + 4 HCl => MnCl2 + 2H2O + Cl
Which of the following accurately describes the change that occurs when liquid water is frozen into an ice cube. A. A physical change B. A chemical change C. Both a physical and chemical change D. Neither a physical nor a chemical change
What is the freezing point of an aqueous solution of a nonvolatile solute that has a boiling point of 102.5°C? For water Kf = 1.86°C/m and Kb = 0.52°C/m.
Consider ATR sampling using a trapezoidal ZnSe crystal. In the mid-infrared region, refractive indices for ZnSe and water are approximately 2.4 and 1.3, respectively. What is the penetration depth (?m) for IR radiation of 1600 cm-1 if it strikes t..
The reaction takes place in a bomb calorimeter where 4.50g of glucose are burned. What is the heat capacity of the bomb if the temp. of the water in the bomb increases from 22.75 degrees Celsius to 25.32 degrees Celsius? I used qrxn = -Ccal*change..
determining the limiting reactant and mass of the product.phosphorous trichloride can be produced from the reaction of
calculate the osmotic pressure associated with 50.0 g of an enzyme of molecular weight 98,000 g/mole dissolved in 2600 mL
What is the density (in g/cm^3) if the ionic radii of Na+, F- ions are 102.9 pm and 136.0 pm, respectively? Hint: notice that the cation and anion touch each other and together make up the side of the cube.
At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium
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