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If you start with 0.1M hydrochloric acid (which would be more "realistic" for gastric acid) and titrated with 0.1 M sodium hydroxide, what would by the result?
50.00g of a metal phosphate with the formula X3PO4 were dissolved in water. Excess calcium nitrate solution was added and 15.69g of precipitate were collected. Explain what is the molar mass of X3PO4. Compute the atomic molar mass of X and a possi..
"Air expands as it rises". If air increases to an elevation of 10,000 m over a rain forest, Explain what is the ratio of the final molar volume to the initial molar volume at sea level
Question- Calculate the E (degree) for each of the following reactions and indicate (Y/N) if it occurs spontaneously or is not spontaneous-
How much heat is evolved when 27.0 g of glucose is burned according to this equation? C6H12O6 + 6O2 → 6CO2 + 6H2O; Δ H comb. = -2808kJ
Question- 1) A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1MHz=106Hz. Calculate the broadcast wavelength of the radio station 90.90 FM.
For half life problems how would you solve this. How old is a bottle of wine if the tritium (h-3) activity is 25% that of the new wine (h-3 half life =12.3 years)?
If the methane contained in 2.00 L of a saturated solution at 25 degrees C was extracted and placed under STP conditions, what volume would it occupy.
Raw milk sours in 4.0 hours at 28 degrees celcius but takes 48 hours to sour in a refrigerator at 5 degrees celcius. Calculate the activation energy for the souring of milk?
a piece of metal with a mass of 125g is placed into a graduated cylinder that contains 25.00ml of water raising the
How much heat is evolved when 3ll.5g of ammonia (NH3) gas condenses to a liquid at its boiling point? ^Hvap= 23.3 kj/mol.
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figures in your answers.
A marine microorganism contains an enzyme that hydrolyzes glucose-6-sulfate (s). The assay is based on the rate of glucose formation.
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