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In a Diesel engine, atmospheric air is quickly compressed to about 1/20 of its original volume. Estimate the temperature of the air after compression, and explain why a Diesel engine does not require spark plugs.
Explain what minimal volume if 0.101 M AgNO3 solution is needed for the complete precipitation of all chloride ions in a 97.20 mg sample of FeCl3 for which the purity is only 89.64% in mass. Ksp AgCl = 1.8 x 10 -10
I well know about electromagnetic spectrum but I did not know the any scope of spectroscopy and I want to know about IR spectra in detail and absorption spectroscopy.
When the following equation is balanced, what is the mole ratio of H2O to Be3N2?
A 21.19 gram sample of oxygen-containing hydrocarbon (CxHyOz) undergoes combusion analysis. It produces 38.29 grams of CO2 AND 13.06 grams of water.
An acid solution was standardized against NaHCO3 which was prepared as 75 g NaHCO3 in 1 Liter. Find the Normality of the acid if 28 ml was required to decrease pH to 4.5 if volume of NaHCO3 used in titration was 0.1 Liters.
Lithium has two stable isotopes with masses of 6.01512 u and7.01600 u. The average molar mass of Li is 6.941 u. Explain what is the percent abundance of each isotope
Water is placed into a calorimeter. when 1 gram of an ionic solid is added, the temperature of the solution increases from 21.5 C to 24.2 C as the solid dissolves.
An ideal gas flows through a horizontal tube at steady state. no heat is added and no shaft work is done.the cross sectional area of the tube changes with length and this causes the velocity to change
Can someone help me solve the problem below? ? for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value
The collected washings were diluted to 250 mL. Titration of a 50mL sample of the diluted washings required 4.64 mL of 0.0625 M KSCN. Calculate the percent phosphate in the sample.
A room contains 47kg of air. How many kilowatt-hours of energy are necessary to heat the air in the house from 7 degrees celsius to 26 degrees celsius
How much energy is required to vaporize 145g of butane at its boiling point? The heat of vaporization for butane is 23.1 kJ/mol
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