Determine the empirical formula of a hydrocarbon
Determine the empirical formula of a hydrocarbon which has 92.24% C and 7.76% H. If 0.500 g of this hydrocarbon occupies 0.086 L at STP, determine the molecular weight of the compound.
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at 700 celcius is 0.76 atm. Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.20 atm at 700 celcius.
You have a 48.9 g sample of water at the temperature of -60.0 degrees celcius. How much energy is required to: heat the ice to 0 degrees celcius (specific heat: Cp of ice is 2.06 j/g degrees celcius)
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if 2.325g of an unknown acid compound is made up to 200.0 mL with water. 10.00 mL of the resulting solution requires 15.43 mL of 0.1808 M NaOH. Caculate the molar mass of the unkown acid compound assuming it is triprotic (one mole of the compound
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You are driving to the grocery store at 22 {rm m}/{rm s}. You are 110 {rm m} from an intersection when the traffic light turns red. Assume that your reaction time is 0.78 {rm s} and that your car brakes with constant acceleration.
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At the equivalence point in a titration you know the volume (x mL) of a standard solution of acid (2.5M) which has been added to a known volume of base (y mL).
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
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