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Differentiate between alkenes and alkynes, cis isomers and trans isomers. Describe how cis- trans isomers are used for night vision.
The % of antifreeze should be raised to twenty five percent by draining some of the mixture and adding 100% antifreeze determine how much mixture should be drained?
Use the molar volume of a gas at STP to determine the volume (in {rm L}) occupied by 15.0 {rm g} of neon at STP.
The Al2O3 does not react. If the sample residue weighs 2.717 g, what is the mass fraction of Fe2O3 in the original sample?
Methane gas (CH4) comprises 7 x 10-5 % by mass of the Earth's atmosphere. What is the residence time of the gas in the atmosphere if it is being lost to the methane sinks at the rate of 4 x 1011 kg yr-1.
How many mL of .360M HNO3 are needed to neutralize a 22.5mL sample of .240M KOH.
How do we know the oxidation of camphor leads to a different product if they look/smell the same in the end as it did in the beginning?
Suppose 1.00 g of water (saturated liquid) evaporates isobarically at atmospheric pressure of 1.013x10^5 Pa. Its volume in the liquid state is 1.00 cm3 and its volume in the vapour state is 1671 cm3.
Which of the following is NOT typical of most organic compounds?
Calculate the maximum mass in grams of H2S that can form when 155 g aluminum sulfide reacts with excess water according to: Al2S3 + H2O => Al(OH)3 + H2S [unbalanced]
Complete and balance the equation for this reaction in acidic solution. Phases are optional
What is the final concentration of a solution made from 7.8 mL of 0.92 M CuSO4 and 14.5 mL of water?
A 36.3 ml aliquot of 0.0529 M H2SO4 (aq) is to titrated with 0.0411 M NaOH (aq) What volumen (ml) of base will it take to reach the equivalence point
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