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Calculate the molarity of sodium sulfate in a solution prepared by mixing 35 mL of 0.15 M sulfuric acid with 15 mL of 0.85 M sodium hydroxide.
How many mL of 36 % (g/g) HCl should be diluted to 1.0 L to make a 6.0 M HCl solution? The density of 36% HCl is 1.18 g/mL.
The distance between the eyepiece and the objective lens in a certain compound microscope is 24.5 cm. compute the overall magnification of the microscope
What is the molarity of a solution made by mixing 25 mL of 8.0 M hydrocholoric acid with 300 mL of 2.0 M hydrocholoric acid
What is the molarity of hydrogen ion in the above sulfuric acid solution if you assume the sulfuric acid ionizes completely? the above sulfuric acid solution is 0.07 M.
A vessel contains 0.90g liquid H2O in equilibrium with water vapor at 30C. At this temperature, the vapor pressure of H20 is 31.82 torr. What volume increase is necessary for all of the water to eva
What is the molarity of the solution that was prepared by dissolving 3.2 g of sulfuric acid in water to a total volume of 500 mL
The acceleration due to gravity on the Moon's surface is known to be about one-sixth the acceleration due to gravity on the Earth. find the mass of the Moon in terms of the mass of the Earth
How many grams of a 0.30 M solution of hydrocholoric acid would contain 5.2 g of pure hydrocholoric acid? The density of 0.30 M hydrocholoric acid is 1.2 g/mL
A converging lens of focal length 19.2 cm is separated by 55.3 cm from a converging lens of focal length 4.72 cm. If the height of the object is 3.10 cm, what is the height of the final image
Describe the steps to be taken in the laboratory if a large bottle of acetone (noncorrosive, nontoxic, highly volatile, water-soluble, flammable solvent) is broken and spilled.
An object is placed 11.7 cm to the left of a diverging lens of focal length -5.81 cm. Find the distance d that places the final image at infinity
how many milliliters of 0.42 M solution of acetic acid, CH3COOH, will contain 0.50 grams of acetic acid
The net reaction is C6H1206(s) -> 2 C2H50H(l) + 2 C02(g) Calculate the mass of glucose required to produce 1.00 L of CO2 measured at P = 1.00 atm and T = 300. K.
A transformer has 380 primary turns and 1220 secondary turns. The input voltage is 120 V and the output current is 15.0 A. What is the output voltage and input current
How many moles of monobasic sodium phosphate (NaH2PO4) and dibasic sodium phosphate (Na2HPO4) must be added to water to prepare 0.875 L buffer solution that is 0.50 M phosphate with a pH = 7.1
Two resistanceless rails 32 cm apart rest on a 6.0° ramp. They are joined at the bottom by a 0.63 resistor, What is the terminal (steady) velocity of the bar as it slides frictionlessly down the r
A certain sample of gas has a volume of 20.00 dm3 at 0°C and 1.000 atm. A plot of the experimental data of its volume against the Celsius temperature, ?, at constant p, gives a straight line of
Monochromatic light of wavelength 543nm falls on a slit. If the angle between the first two bright fringes on either side of the central maximum is 31?
From these data, and assuming that air obeys Charles's law, determine a value for the absolute zero of temperature in degrees Celsius.
A hypothetical nucleus weighs 1 lb. How many nucleons are in this nucleus and What is the radius of this nucleus
Determine the maximum number of electrons that can exist in a completely filled n=5 level. Give four possible quantum numbers for a 5f electrons of the hydrogen atom
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
Which quantum numbers reveal information about the shape, energy, orientation, and size of orbitals
identify the following compound from its IR and proton NMR spectra. C5H6O: IR: 3300 (sharp), 2102, 1634 cm-1 NMR: ? 3.10 (1H, d, J = 1 Hz); ? 3.79 (3H, s); ? 4.52 (1H, doublet of doublets, J = 10 Hz