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Calculate w (in kJ) when 538 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 479 K: 2Fe2O3(s) + 3C(s) ? 4Fe(s) + 3CO2(g)
Calculate the difference between the molar enthalpy and the molar internal energy of carbon dioxide regarded as an ideal gas at 298.15K and 754 mmHg
What is the movement of electrons in an ammonia and hydrochloric acid reaction?
A constant pressure calorimeter having a heat capacity of 74.2 kJ/K is used to measure the energy released from burning a compound in excess oxygen to form CO2(g) and H2O(l).
How many moles of H+ (H3O+) are produced in 40.0 m of 0.025 M HCL?
Pretend you started with 3.15 g of Panacetin, and you isolated 822 mg of sucrose. What is the percent composition of sucrose in Panacetin?
An automobile gasoline tank holds 43 of gasoline. When the gasoline burns, 151 of oxygen are consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
Lyzozyme(The protein) unfolds at a transition temperature of 75.5 degree celsius, the standard enthalpy of transition = 509 kJ/mol. Compute the entropy of unfolding of this protein at the temperature of twenty five degree celsius
Calculated the percentage of alcohol in the patient's body. State the chemical reaction that took place in the patient's body.
When a gas is collected by displacement of water,the gas often appears foggy as it is generated. what it means to say that a gas collected by this technique is saturated with water vapor.
Some insects produce antifreeze in cold weather; the antifreeze is glycerol. How much glycerol must an insect produce per gram of body fluid (taken to be water) to survive at -5.0C
A balloon filled with 39.1 mol helium has a volume of 876 L at 0.0 C and 1.00 atm pressure. The temperature of the balloon is increased to 38.0 C as it expands to a volume of 998 L, the pressure remaining constant.
What statement in incorrect about the following pairs of sugars? Galactose and mannose are diastereomers
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