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Can you help me about assigment physic ?
A long wire carrying 4.50 A of current makes two 90 ^°bends, as shown in the figure (Figure 1). The bent part of the wire passes through a uniform 0.232 T magnetic field directed as shown in the figure and confined to a limited region of space.
a. Find the magnitude of the force that the magnetic field exerts on the wire.
calculate the percent yield for the reaction p4 s 6 cl2 g rarr 4 pcl3 l if 75.0 g of phosphorus reacts with excess
A laboratory stockroom has a stock solution of 90% (m/v) sulfuric acid, H2SO4 (aq). If a technician dilutes 50ml of the stock solution to a final volume of 300ml, explain what will be the new mass/volume percent concentration
What is the electron configuration of a third period element that forms an ion with a -2 charge
Determine the oxidation numbers of each elements in the following reaction, identify which of them are oxidized or reduced, if any: 2MnCO3(s)+O2(g) ---> 2MnO2(s)+2CO2(g)
A 2.0 L-reaction flask initially contains 0.04 mol CO, 0.23 mol H2, and 0.60 mol CH3OH (methanol). If this mixture is brought in contact with a zinc oxide-chromium(III) oxide catalyst, the equilibrium shown below is attained.
A given reaction has an equilibrium constant at 920 K of 2.73 x 1011. What is DGo at this temperature in kJ
The work performed by a system against the atmospheric pressure to which it is kept open during an experiment in the lab is equal to.
The lab is synthesis of Methyl Red. The question is that diazonium salts cople with phenols in slightly alkaline solution. What effect does the PH of the solution have on reactivity of the phenol
15.0 g of ice cubes at 0.0°C are combined with 150. g of liquid water at 70.0°C in a coffee cup calorimeter. Calculate the final temperature reached, assuming no heat loss or gain from the surroundings.
Light is emitted at 470 nm in an atomic emission experiment. Explain what the frequency of this emission band is.
calculate th volume of a chlorine solution ( in milliliters) a homeowner should add to her swimming pool if the solution contains 8.00 percent chlorine by mas and there are 5.63 x 10^4 gallons of water in the pool (1 gal = 3.79; density of liquids..
clearly draw the fatty acid 22:4w6. Based upon the structure, what is another name for this fatty acid?
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