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Calculate the amount of energy in kilojoules needed to change 423g of water ice at -10 deg c to steam at 125 deg c . The following constants may be useful:* C(ice) = 36.57 ~J/(mol C)* C(water) = 75.40 ~J/(mol C)* C(steam) = 36.04 ~J/(mol C)* Delta H{fus} = +6.01 {kJ/mol}* Delta H{vap} = +40.67 {kJ/mol}
Question enthalpy and entropy values are given and were asked to find boiling point of mercury
You have given some aqueous solutions as a. LiClO4 b. HClO c. CH2CH3OH d. HClO4 e. HNO3 you just need to Classify each of the given aqueous solutions as a weak electrolyte, non electrolyte, or strong electrolyte ?
Determine the mass of the liquids in grams if this liquid is added to the beaker the combined mass becomes 238.254 grams? Given that the mass of beaker=225.08 g?
Liquid-in-glass thermometer are of two types:mercury in glass and alcohol plus red dye in glass. the dependence of volume on temperature of mercury and alcohol.
When a sample of 5.00-g rams of Potassium thiocyanate is dissolved in H2O in a calorimeter that has a total heat capacity =6.225 kJ•K-1, the temperature decreases by 0.200 Kelvin. compute the molar heat of solution of Potassium thiocyanate.
Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.
Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.
Draw structural formulas for all of the structural isomers of C4H10, C5H12 and C3H7Cl.
The combustion of 45.0 g of methane (natural gas) releases 2498 kJ of heat energy. How much energy in kilocalories kcal would combustion of 0.670oz of methane release.
Consider a linear string of five hydrogen atoms, H^5. Determine the net overlap for each molecular orbital and classify it as bonding, nonbonding, or anti-bonding.
Calculate how many joules are needed to heat and calculate the theoretical volumes of 1.0 M Tris base?
The lethal inhalation dose of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
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