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When the concentration of A in the reaction A →B was changed from 1.20 M to 0.60 M, the half-life increased from 2.0 min to 4.0 min at 25°C?
If 84 g of CO reacts to produce 63 g of CH3OH, What is the percent yield of CH3OH?Answer in units of % ?
A 0.1036 g sample containing only BaCl2 and NaCl is dissolved in 50 mL of distilled water. Titration with 0.07916 M AgNO3 requires 19.46 mL to reach the endpoint. What is the % by wt. of NaCl in the sample
Predict what will happen and check your predictions. Change the styling so that instead of the color changing the link becomes bold when you hover over it. (You need to use the font-weight property.) Why does the white background extend to the end..
an electrical motor is used to operate a carnot refrigerator with an interior temperature of 0 degrees celsius. liquid
The concentration of the alkane C20H42 (FM 282.55) in a particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL
Give structural formula ( dash, condensed, or bone-line) for five constitutional isomers of molecular formula C6H14O (remember that carbon is tetravalent, oxygen is divalent, and hydrogen is monovalent)
Add charges, single electron dots, and/or pairs of dots as appropriate to show the Lewis symbols for the most stable ion of each element.
Just based on the orbital occupancy of electrons, is it justifiable to distinguish between the transition and inner transition elements. Should we consider any other factors
Which of the following functional groups will exhibit NO IR absorption at 1630 -1780 cm-1 or at 3200-3550 cm-1
A solution contains three anions at the folowing concentrations: .20M CrO4^2-, .10M CO3^2-, and .010MCl^-. if a dilut solution of AgNo3 is added to the solution
Calculate the mass of a 1m3 parcel of dry air at STP. Calculate its mass at the same pressure but at 10 ?C and 20 ?C.
Treatment of either C or D with periodic acid yields the same dicarbonyl compound shown. Finally, treatment of A and B with methylmagnesium bromide followed by acidic workup yields two different compounds, E and F, which are also related by their ..
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