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Suppose 532 mL of neon gas at 20C and 1.04 atmospheres and 376 mL of SF6 gas at 20C and 0.97 atmospheres are put into a 275-mL flask. If the temperature remains constant, calculate the partial pressure, in atmospheres, of the SF6 gas in the mixture.
Fears of radiation exposure from normal use of such detectors are largely unfounded. Identify reasons why ^241Am smoke detectors are perfectly safe.
How many liters of CO2 are formed at STP by the complete combustion of the propane in a container with a volume of 14.0L and a pressure of 4.5atm at 24?C?
Calculate the concentration of the NaOH solution. The reaction between HCl and NaOH is as follows: HCl + NaOH -> NaCL + H20
What is the final river temperature downstream? Assume that the density of the waste stream is 1000 kg/m3.
consider a reaction between ideal gases which occurs at constant temperature. if the total moles of gas does not change
The atomic mass of element X is 33.42 amu. A 21.83-g sample of X combines with 80.32 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
F. Explain how Le Chatelier's Principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 M acetic acid and 0.10M acetate ion. Write the balanced chemical reaction for the two applicable equilibria.
A 500 ml sample of O2(g) is at 780 mmHg and 30C. What will be the new volume if, with the constant pressure and amount of gas, the temperature is decreased to -15c
Endorphins: What Are They and How Do They Work?, Describe in brief the chemistry and biology of the feel-good chemical, endorphins. Also explain why the name feel good
A 50.0 mL glucose solution contains 3.00 g of glucose. What is the mass/volume percent of this solution
The annual production of zinc sulfide (ZnS) is 4.5 104 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal
(1) Consider the following pairs of substances. Think about the physical behavior of these substances if each pair were placed together in a separate container. Explain what would occur for each set and why.
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