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A compound has an empirical formula of CH2Br and vapor density of 6.00 g/L at 375K and .983 atm. Determine molar mass of compound
Determine what volume would it occupy at zero degree Celsius temperature at same pressure? Express your Answer in units of mL
When 2.20 grams of Cr(CO)6 reacts according to the following equation at 400 °K in a closed system the temperature goes down and 5.2 kJ of hear is absorbed
Small helium-neon lasers emit 1.51 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
How many moles of ammonia will be required to produce 10.0 mol of water
how many milliliters of 0.0850 m NaOH are required to titrate each of the following solutions a) 40.0 ml of 0.0900 m HNO3 B)35.0 ml of 0.080 m HC2H3O2 c) 50.0 ml of a solution that contains 1.85 g of HCl per liter.
What is the molarity of 175 mL of a solution containing 2.18 g of Na2SO4·10H2O? 0.00377 M B. 0.644 M C. 0.00878 M D. 0.00118 M E. 0.0387 M
H2O is amphoteric meaning it can act as both a Bronsted acid and a Bronsted base.Show that H2O really is amphoteric by writing the relevant equations
Determine the PH of each of the following a) 10mL of .2M Acetic acid and 1.00mL of .1M sodium hydroxide, and 9.0 mL of distilled water
Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.
Low concentration replicate samples of Cd-EDTA gave the following counts in a mass spectral measurement: 178.3, 131.2, 144.3, 159.3, 128.3, 197.7, 149.3, 153.9, 143.3, 160.9. Ten measurements of a blank had a mean of 27.7 counts
A gas system has initial volume and temperature of 8160mL and 467.0K. If the temperature changes to -151C, what will the resultant volume be in mL
what wind flow rate entering the canyon would produce a pollutant concentration greater than 0.0025 gmol/ft^3 in the air coming out of the canyon?
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