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Titanium metal, density 4.54g/cm3 , is used to make golf clubs. A rectangular bar of titanium weighs 45.7 g measures 1.84 cm in length and 2.24 cm in width. What is the height of the bar?
How long will it take for a signal to travel that distance assuming that the speed of light in the cable is the same as in a vacuum?
How many grams of NaCN would you need to dissolve in enough water to make exactly 325 mL of solution with a pH of 10.00
Do some research on the internet and determine the status of industrial hygiene and occupational safety and health prior to about 1900. Describe atomic absorption spectroscopy and gas chromatograph mass spectrometry and what they are used for?
Draw the structures of ALL of the diferent alkenes produced from an E2 elimination on 2-bromo-3,4-dimethylpentane.
The average brewed cup of coffee contains 453 mg/L caffeine. What volume (in ml) of coffee should be diluted to 25ml prior to analysis using only standard transfer pipets with integer values from 1-10ml
If you have 260.0 mL of water at 25. C and add 110.0 mL of water at 95.0 C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
How many electrons, protons, and neutrons respectively are in the iron(III) ion, Iron- 56 with a 3+ charge
The following data were collected for the rate of disappearance of NO in the reaction 2NO(g) + O2(g) ---------> 2NO2(g). Experiment [NO] (M) [O2] (M) Initial Rate (M/s)
1.how does cracking pressure percentage change as the maximum pressure setting of the relief valve increases?
Use the masses of carbon dioxide, rm CO_2, and water, rm H_2O, to determine the empirical formula of the alkane component.
For MgO, which has the NaCl structure, the unit cell edge is 4.21 Angstroms. Use the approach of Pauling to evaluate the radii of Mg^2+ and O^2-
How many molecules of NH3 will be formed when 20.0L of N2 react at STP?
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