1. Calculate [H*] and the pH of a tap-water sample in which [OH-]is 2.0x 10-7 M.

Q: May I ask how to calculate the enthalpy change for acetone as a liquid from 20 deg C to 60 deg C?…

A: Given: Initial temperature of liquid acetone T1=20 °C=293 K Final temperature of liquid acetone…

Q: What are the differences among absolute humidity, relative humidity, and percentage humidity?

A: The differences between absolute humidity, relative humidity, and percentage humidity are to be…

Q: Addition

A: Identification of an unknown white powder though various tests

Q: Leaching a Soybean Slurry in a Single Stage. A slurry of flaked soybeans weighing a total of 100 kg…

A:

Q: In an alkalinity titration of a 100.0 mL sample of water from a hot spring, 2.56 mL of a 0.0315 M…

A: Given data: In the alkalinity titration of water sample, 2.56mL of 0.0315M HCl solution is needed to…

Q: Calculate the bubble point temperature for a liquid hydrocarbon mix of 30% n-pentane and 70%…

A: The temperature at which a liquid-vapor mixture's first bubble of vapor appears when the temperature…

Q: Given the equation CH4 + 2O2 ---> CO2 + 2 H2) When 3.05 moles of CH4 are mixed with 5.03 moles of…

A: The amount of CO2 formed from the given reaction is to be determined.

Q: What is the composition in atom percent (at%) of Cu in an alloy that contains 98.0 g Cu and 65.0 g O…

A: Given that  a alloy contain 98 g cu and 65 g Zinc

Q: Xylene (pic) is an important chemical in the production of plastics. You have 15 kmoles of xylene…

A: Xylene is an organic hydrocarbon compound that contains only oxygen and hydrogen atoms. It contains…

Q: 7. Iridium (FCC) has an atomic weight of 192.217 amu and an atomic radius of 0.139 nm. Calculate the…

A: To calculate the theoretical density of iridium, we can use the formula: [Density=NA​×VZ×M​]where:-…

Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.