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A 43.2-mL sample of 0.236M sodium hydroxide solution reacts totally with the 36.7mL of sulphuric acid solution. Determine the molarity of the H2SO4 solution?
Calculate its molecular mass at 23.6 degrees C, 0.500 L of a solution which is having the 0.302 grams of an antibiotic has an osmotic pressure of 8.34 mmHg.
One second after the truck passes, angle between highway and line of observation from patrol car to truck estimates 15 degrees. How fast is truck traveling.
Describe the similarities among the energy stored in the electric field of a charged capacitor and the energy stored in the magnetic field of the current-carrying coil.
An object is positioned 4 cm in front of a +2cm focal length lens. When a second similar lens is now positioned 2 cm behind the first, where will the final image be positioned?
A capacitor is positioned across a battery and permitted to charge fully. The battery is left joined and the plates of the capacitor are then moved apart (d increases).
On the earth, determine how big would the aperture of a telescope have to be in order to view a 6 ft (1.83m) astronaut walking on the moon? (The moon is around 3.8 x 108 m from the earth; employ &la
Determine the effect of single slit diffraction on the N-slit interference pattern? Choose all that apply i) The N-slit maxima that coincide with diffraction minima are darker than on pure N-slit patt
Determine equation of the circle which is tangent to x axis that's center is on line y=2x+1 and passes through A(-2,8).
Determine the wavelength of the electromagnetic wave which generates a third order diffraction pattern spot 47° from the central spot by using a grating having 4,000 lines/cm?
(i) Determine the velocity of the truck right after the collision? (ii) Determine how much mechanical energy is lost in the collision? Account for this loss in energy
explanation, a professor employs a razor blade to cut a thin slit in a piece of aluminum foil. If she shines a laser pointer () via the slit onto a screen 5.5 away, a diffraction pattern appears. Th
A sample of H2O is broken apart into O2 and H2 gas. Samples were collected over the water. The temperature is 22 degrees C. The external pressure was 760.0 mm Hg. The water level difference i
Determine what does the answer to this problem state about laws needing the use of proper safety devices like seat belts and special toddler seats?
Wiper blade is mounted on the 25 inch arm, 5 inches from pivot point. If wiper turns through the angle of 110 degrees, how much area is swept clean?
Explain how the type of reactions you observed in this experiment could be useful in there cycling of copper. The chemical conversion of one product into another useful product is the basis for recy
Suppose an aerosol container was filled with a gas at2.5 atm and 22 degree Celsius. Aerosol containers often carry the warning that they should not be heated.
You encompass a distance among the two slits which is 0.0500 mm and the distance to a screen is 2.50 m. Determine the spacing among the first and third order bright fringes for light which consists
Diborane, B2H6 (B) and methylethyl ether (A), form a compound that melts congruently at the 133 K. The system exhibits two eutectics, one at 25 mol per cent B and 123 K and a second at 90 mol per c
A certain telescope always generates fuzzy halos or circles around the image of the bright star. When it consists of high quality lenses, what is probably wrong with the choice of the telescope?
If there are 4.50×1010 atoms of zinc emitting light in the instrument flame at any given instant, the emission line used for zinc determinations in atomic emission spectroscopy is 2
A clear sheet of Polaroid is positioned on top of an identical sheet so that their polarizing axes forms an angle of 30° with one other. The ratio of the intensity of emerging light to incident
Consider x denote length of side of each cut-out square. Determine the formula for volume of box as the function of x. How would the diagram of question look?
Illustrate phase diagrams for the following types of systems. Label intersections and the regions of the diagrams, stating what materials are present and whether they are solid, liquid, or gas.
Methane burns in oxygen to form water and carbon dioxide. If 3.75 L of gaseous CH4 is burned in an open container at STP, what volume of oxygen is needed for complete combustion? Explai