How much heat would be absorbed or released
The enthalpy of fusion of methanol (CH3OH) is 3.16 kJ/mol. How much heat would be absorbed or released upon freezing 25.6 grams of methanol?
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A satellite is in Earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km. a. What is the semi-major axis of the orbit?
Calculate the pH of the buffer system make up of 0.15M / 0.35M NH4Cl. Will you explain how to solve this. Step by Step
How many liters of ethane, measured at 15.0 degrees Celsius and 719 Torr, must be burned to liberate 2.89 X 10^4 kJ of heat?
What volume and mass of steam at 100 C and 760. torr would release the same amount of heat during condensation as 65.5 cm3 of liquid water would release during freezing?
What type of alcohol is formed when water reacts with 1-pentene?
Silver has two naturally occurring isotopes. Find the percent abundances of 107Ag and 109Ag given the atomic mass of Silver = 107.868 amu, the isotopic mass of 107Ag = 106.9051 amu, and the isotopic mass of 109Ag = 108.9045. (Hint: The sum of the
How long will it take to deposit 89 g of magnesium from an electrolysis cell containing Mgo at a current of 12.5. A magnesium formation is the only cathode reaction mg = 24glmol.
Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm. If the mass of an atom of Sr is 87.62 amu, and the density of Sr metal is 2.54 g/cm3, calculate the number of atoms per unit cell. (1 amu = 1.661 × 10-24 g
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Reflect on the importance of accurate and comprehensive record-keeping in disability support. Consider how maintaining detailed records of individualised care
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Once the evidence-based practice is selected, the next step in a comprehensive mental health program planning and implementation process
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