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Explain how to correct for the partial of water vapor when calculating the partial pressure of a dry gas is collected over water?
Understanding of chemistry basics - which of the following is not changed by the activity of an enzyme during a chemical reaction?
Assume three significant figures and an average wavelength of 504 nm for solar radiation. A green leaf has a surface area of 2.00 cm^2
llustrate on example between an ionic amino acid side group and the organic portion of your drug that has an ionic charge.
How many atoms of neon occupy a volume of 14.3 L at STP?
A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium chloride. What mass of sodium reacted?
An automobile has a wavelength that is not measurable by human standards. If the car has a mass of 4000 lbs (1.81 x 103 kg) and travels at 60 miles/hr (26.8 m/s), calculate the wavelength of the car.
The vapor pressure of dichloromethane, rm CH_2Cl_2, at 0 rm ^{circ}C is 134 rm mmHg. The normal boiling point of dichloromethane is 40. rm ^C. Calculate its molar heat of vaporization.
If you dilute 33.4 mL of a 3.5 M solution to make 244.0 mL of solution, what is the molarity of the dilute solution.
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 & 1.8 ppm and are said to be shielded
certain first-order reaction () has a rate constant of 1.00×10-2 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
Consider a container sealed with a small opening. A mixture of several gases are added to the container. Assuming the gases do not react, indicate the order that the gases escape out of the container
If a total of 13.5 mol NaHCO3 and 4.5 mol of C6H8O7 react, how many moles of COs and NA3C6H5O7 will be produced? 3NaHCO3(aq) + C6H8O7(aq) -> 3CO2(g) + 3H2O(s) + Na3C6H5O7(aq)
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