Why should there be more of theortho or para product
Why should there be more of theortho or Para product when isobutyl benzene undergoes nitration with nitric acid and sulfuric acid?
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A 18.0 resistor, a 12.0 µF capacitor and a 17.0 mH inductor are joined in series having a 170 V generator. (i) Determine at what frequency is the current a maximum?
A sample of mixed carbonates, Li2CO3 (73.89 g/mol) and SrCO3 (147.63 g/mol), weighed 0.5310 grams. If this sample is titrated with acid, it is found that 20.10 mL of 0.5010 M HCl are required to reach the endpoint.
By using the 550. kj of heat a gas sample is heated in a cylinder. A piston compresses the gas, doing 700. kj of work. Determine the change in internal energy of the gas during this process?
A spacecraft is moving past Earth having a velocity of 0.7c. It launches a rocket which moves in the similar direction as the spacecraft at a speed of 0.8c. Determine the speed of the rocket relative to Earth?
The resonant frequency of the RCL circuit is around 4.0 kHz and the value of the inductance is around 7.4 mH. Determine the resonant frequency (in kHz) if the value of the inductance is around 2.4 mH?
Write down a sequence of reactions that will producem-bromofluorobenzene from benzene. (You will need to produce are nediazonium salt somewhere in the middle of this process.)
Determine the vapor pressure lowering of a solution of 4.00 g of aspirin (molecular weight = 180.15g/mol) at 21.2°C in the 75.0 g of methanol (CH3OH). Pure methanol has a vapor pressure of 101 torr at this temperature.
A packaging company obtained data on the size (X1) of a lot and the cost (Y ) of assembling the lot. A scatterplot of the data suggested a broken straight line regression with a breakpoint at lot size 250. The following linear model was formulated
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Problem: Which of the following statements about fluoridation of municipal water supplies is correct?
Question: What types of medications are used to treat hypertension? More than one answer may be correct.
Fluoride content of foods is limited, so in areas where fluoridation of the water supply is not feasible, this mineral can be supplied by
Glucose utilization is twice that of adults. This busy brain is taking in more of the world, as sensory information is introduced at a fast pace.
Problem: Which of the following is a common laboratory finding in allergic reactions?
To improve public health and provide basic clinical care for families and patients on the west side of the city.
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