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A 195-kg load is hung on a wire of length of 3.90 m, cross-sectional area 2.000 10-5 m2, and Young's modulus 8.00 1010 N/m2. What is its increase in length?
the sandals in disintegrations per minute per gram? Assume the original activity was 15.3 disintegrations per minute per gram.
Calculate the amount of heat liberated (in kJ) from 305 g of mercury when it cools from 82.0°C to 13.0°C.
which one of the following alkyl halides gives the highest ratio of substitution to elimination on treatment with sodium ethoxide in ethanol, and why?
calculate the PH of a buffer solution prepared by dissolving 21.5 g benzoic acid and 37.7g sodium benzoate in 200.0 mL of solution?
Develop a stoichiometry problem that includes finding a mass of reactant/product from another mass of reactant/product.
As shells are filled by electrons, which are filled first, inner or outer shells. Which has more potential energy, an electron located in an inner shell or an electron located in an outer shell
Explain how many Calories are needed to increase the temperature of 10.0 grams of ice from 29.6 C to -19.6. Specific heat of ice is 0.48 cal/g C
How would you make 2-methyl-1-phenyl-3-pentanone from the following available compounds ethanol, isopropyl alcohol, and toluene?
if the hindenburg held 2.0 times 10^5 m^3 of hydrogen gas at 23 degrees C and 1.0 atm, what mass of hydrogen was present
5L of CO2 at 500 torr and 3L of CH4 at 400 torr are put into a 10L container. what is the pressure exerted by the gasses in the container.
You have 47.0 L of 93.00 M stock solution that must be diluted to 0.500 M. How much water should you add
A certain hydrate of potassium aluminum sulfate (alum) has the formula KAl(SO4)2 x XH2O.When a hydrate sample weighing 5.459 g is heated to remove all the water, 2.583 grams of KAl(SO4)2 remains. What is the mass percent of water in the hydrate
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