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A specimen of aluminum having a rectangular cross section 9.6 mm × 12.1 mm is pulled in tension with 35,262 N force, producing only elastic deformation. The elastic modulus for aluminum is 69 GPa. Calculate the resulting strain?
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq). The ionization constant for HClO can be found here.
why doen't the mass number decrease? (because there is one less neutron). But the atomic number increases due. What happens to the electrons?
If you have 100ml of a .1M tris buffer at PH 8.3 and you add 3.0 ml HCl what will be the new pH? (PKa of Tris = 8.3)
how much will the temperature change when 730 g of each of the following materials absorbs 1240 cal of heat energy?a.
how does the experimental empirical formula of hydrated alum compare to the actual empirical formula? make sure to list
Magnesium metal can be used to remove tarnish from silver items. silver tarnish is the corrosion that occurs when silver metal reacts with substances in the environment, especially those containing sulfur. why would magnesium remove tarnish from s..
How many oxygen atoms are there in 52.06 g of carbon dioxide? Hint: How many O atoms does each carbon dioxide molecule contain
Using enthalpies of formation, calculate the quantity of heat produced when 3.25 g of butane is completely combusted in air under standard conditions.
The half-life of the radioactive isotope bismuth-210 is 5.01 days. How many days will it take for the mass of a sample of bismuth-210 to decay from 56.4 milligrams to 14.1 milligrams
25.00 mL of 0.0200 M MnCl2 is titrated with 0.0250 M Na2H2Y. Both solutions are buffered to pH 8.20. Determine pMn after the addition of the following volumes (mL) of the Na2H2Y.
Complete the ground-state electron configuration for these ions (using the noble gas abbreviation) and identify the charge. we need to find the electron configuration and the charge for Zinc ion thallium(lll) ion
At 1000K, the equilibrium constant Kc for the reaction is 3.80x10-5. Suppose you start with 0.0356 of I2 in a 2.30 L flask at 1000K. What is the concentration of the atomic gas at equilibrium
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