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From the data below, calculate the total heat (in kJ) needed to convert 13.4 g of water at 25.0°C to steam at 110.0°C. Cliquid = 4.184 J/g°C, C gas = 2.03 J/g°C, ΔHvap = 40.6 kJ/mol
if a saturated solution of NH4NO3 at 70 degrees Celsius was cooled to 10 degrees Celsius, how many grams of solute will separate if the quantity of the solvent is 98 grams?
questions on chemical equations.in dilute nitric acid copper metal dissolves to form aqueous cupric nitrate nitrogen
Considering the 13C NMR spectras for o-nitrophenol and p-nitrophenol. Please label each peak in decreasing order of ppm value and give a thorough explanation on why it is given such valuee compared to the other peaks.
The theoretical value can be computed from the atomic weights of the atoms involved. How
A buffer solution contains 0.219 M CH3NH3Cl and 0.428 M CH3NH2 (methylamine). Determine the pH change when 0.097 mol HI is added to 1.00 L of the buffer.
Predict the fraction of octahedral holes and tetrahedral holes that are filled by the various cations. octahedral holes filled with aluminum ions and tetrahedral holes filled with magnesium ions.
Complete molecular equations, net ionic equations of Ba(OH)2+Nicl2, Nacl+AgN03, (NH4)2CO3+cacl2, Nicl2+NaOH
How many grams of chromium were in the alloy sample?
The observed temperature increase is 2.64 °C. If the heat capacity of the calorimeter is 32.30 kJ·K-1, how many nutritional Calories are there per gram of the candy
What will the new temperature (in degree Celsius) when the volume increases to 4.55 liters and the pressure remains constant?
Write the chemical equation(s), including state symbols, for what happens when each soluble ionic compound that you identified above is placed in water. Are these substances reacting with water when they are added to water?
A balloon has a volume of 1.20 L at 24.0oC. The balloon is heated to 48.0oC. Calculate the new volume of the balloon.
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