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1.How many moles of oxygen react when 0.662 mol of methanol (CH3OH) are combusted in oxygen to produce carbon monoxide and water?2.How many molecules of acetylene (HCCH) react with 149 molecules of oxygen to produce carbon dioxide and water?
a sample of h2 gas is combined with o2 gas. the combination has a total pressure 820 torr and the o2 gas has a partial
A 150 -g sample of water is cooled from 30 degrees C to 15 degrees C, thereby losing approximately 9420 J of heat. What is the change in E in J.
Determine the number of valence electrons for each of the following atoms. Enter each answer as a numeral. For example, if an atom has two valence electrons, enter the numeral 2. B ,H ,Kr ,Si
a sample of 1.518g of KHC8H4O4 was dissolved in water and titrated with an NaOH solution. 26.90 ml were required to reach the equivalence point. Calculate the molarity of the NaOH solution
The work function for Cu metal is 4.80 eV. If a piece of Cu is bombarded by violet light (λ = 4,000 Å), will electrons be ejected? "YES" or "NO" with supporting argument/calculation.
Using your value of the first-order rate constant, calculate the rate of reaction after approximately 15, 45 and 60 minutes has passed?
How many milliliters of 0.200 M NaOH will be required to titrate 7 mL of 0.479 M H2SO4
Why ammonium ion is NOT classified as a Bronsted-Lowry base? 2.Why sulfur hexafluoride DOES NOT obey the octet rule?
If NF can interact with a transition-metal ion to form a chemical bond, what type(s) of ligand-metal interactions would be most important. Would you expect NF to be high or low in the spectrochemical series. Why
Calculate the volume of 3 M NH3 that you need to use to react stoichiometrically with the quantity of acetylacetone given the list of reagents
The Calfhead stream (flow rate 0.05m3s-1) discharges into the Oxhead river (flow of 3.00 m3.s-1). It is proposed to discharge waste into the Calfhead stream but the EPA requires a stream mixing study be undertaken.
What type of HPLC column and detector could be used to separate and detect benzaldehyde and 4-hydroxymethylbenzaldehyde?
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