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Based on the molecular formula, determine whether each of the following is an alkane, alkene, or alkyne. (Assume that the hydrocarbons are noncyclical and there is no more than one multiple bond.)C7H16C4H6C8H14C10H20
If the pressure exerted by ozone, O3, in the stratosphere is 3.0*10^-3 atm and the temperature is 250 K, how many ozone molecules are in a liter?
Explain how you arrived at this conclusions. Write a balance chemical equation for the reaction that occurs when sodium cyanide dissolves in water.
Describe each reaction and provide the name of all the chemical formula involved for each number.
Calculating the Moles of Aspirin, The molecular formula for aspirin is HC9H7O4, Calculate the molecular weight for aspirin
What is methanol's vapor pressure It boils at 65.0 °C and has a heat of vaporization ΔHvap = 37.4 kJ/mol. at 22.0 °C?
Why is sodium chloride added to the tea solution before extracting with ethyl acetate? 4 grams of calcium carbonate was added to 90 ml's of water in a flask
Lactic acid has one acidic hydrogen atom in its structure. A 0.10 M solution of lactic acid has a pH of 2.44. Calculate the Ka of lactic acid.
A proton in a linear accelerator has a de Broglie wavelength of 144 rm pm. what is the speed of the proton?
When 4 g sample of NH4NO3(s) was dissolved in 60 g of water in a coffee-cup calorimeter, the temperature drops from 296 to 291 K.
calculate the total heat (in J) needed to convert 20.0g ice at -8.00 c to liquid water at 0.600c? melting point at 1 atm
If a buffer solution is 0.260M in a weak base (Kb=5.6x10^-5) and 0.550M in its conjugate acid, what is the pH.
What is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of oxygen?
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