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Find number of decibels of sound with the intensity of 1 watt per square meter. Find number of decibels of sound with intensity of (10 to power of -12) watt per square meter.
Determine the inductance of the solenoid per unit length? Suppose that the adjacent wires touch each other and that insulation thickness is negligible.
Calculate the molarity of a solution made by dissolving the 66.1 g of Ca(NO3)2 in the enough water to make 405.0 mL of solution? Report your answer to three places past the decimal point.
A wave on the string is explained by the relation y = A sin (72t-0.045x), where t is measured in sec and x in m, with A = 0.15m. Determine the frequency, wavelength and max speed of a point on the
Explain how long does it take for the concentration to drop to .340? In the reaction A-Products, the initial concentration is .421m. Given the average rate of reaction is 4.5x10^-4.
(i) Determine the magnitude of the (perpendicular) magnetic field in the separator?
A mixture containing argon and nitrogen are introduced until the height of the manometer is 54.1 cm. An apparatus is constructed with a rigid container connected to an open tube manometer.
Explain how far does the spring compress when the bullet becomes embedded in the block? Suppose a spring constant of 500 N/m.
Determine the solubility of silver chloride at this temperature? After correction for water conductivity, the conductivity of a saturated aqueous solution of AgCl at 298K was found to be 0.1887mS/m
Explain both P and Q. In P, do both sets of coordinates represent 1 point? How about Q? Then select the suitable answer below.
Use the data supplied to determine the heat of formation of carbon sub oxide. (Data: 2CO(g)+C(s)->C3O2(g), Delta H= 127.3 kJ/mol and Delta H final of CO(g)= -110.5 kJ/mol) The compound carbon su
The potential difference via which it would have to be accelerated to accomplish this energy.
If the value 8π2h2 / ma2(the h is h bar, determine the state of the system after the measurement? Calculate the lowest and highest values of energy that can be obtained when the energ
The image made by a microscope objective having a focal length of 5.00mm is 160mm from its second focal point. The eyepiece consists of a focal length of 26.0mm. The angular magnification of the mic
The house in the city was built during 1990 and its value at the end of year was $144,000. If value has increased at the rate of 4% per year, what will its value be, correct to nearest hundred dolla
Illustrate a structural formula of an alkenes or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 3-hexanol as the MAJOR product.
Determine the numbers of grams of PbI2 will precipitate from the reaction of 14.0ml of 0.190 M Pb(NO3)2 with excess KI solution? Suppose that all of the PbI2 is in soluble.
Acme Cattle Inc. owns the triangular piece of land which is bounded by the straight highway on one side. The acre of the land will support one cow for two weeks. Find maximum of cattle that this land
Very loud sounds can damage hearing through injuring the vibration-sensing hair cells on the basilar membrane. Assume a person consists of injured hair cells on a segment of the basilar membrane cl
Determine the equilibrium concentrations for each form of the acid? 0.099 mol of phosphoric acid and 0.061 mol of KOH are mixed in the 100.0 mL of water. What is the pH?
Explain what volume of water is formed if 4 L of methane is burned in excess the oxygen? Suppose that the temperature of the reactants and products is 25°C and the pressure of the system remains
A RLC circuit consists of a resistance of 200 ohm and an inductance of 15 mH. Its oscillation frequency is around 7000 Hz. At time t = 0 the current is 25 mA and there is no charge on the capacitor.
Assuming the secondary hydrogen's in pentane are equally reactive to monochlorination, determine the percentage of 2-chloropentane in the mixture?
Given the average rate of reaction is 4.5x10^-4. In the reaction A-Products, the initial concentration is .421m. Discuss how long does it take for the concentration to drop to .340.
A 90 percent efficient transformer consist of 500 primary turns and 10 secondary turns. When Vp is 120 V (rms) and the secondary now consists of a resistive load of 15 Ohm, determine the current in