How many kilograms of mercury were in the barometer
Mercury has a density of 13.6 g per mL. A barometer holding 9.50mL of mercury has broken. The cost of mercury disposal is based on mass. How many kilograms of mercury were in the barometer?
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If the gas inside the empty container was initially at a pressure of 1 atm, what pressure did it reach inside the incinerator? Assume the gas was at constant volume and the can did not explode.
Clausthalite is a mineral composed of lead selenide (PbSe). The mineral adopts a NaCl-type structure. The density of PbSe at 25C is 8.27g/cm^3. Calculate the length of an edge of the PbSe unit cell in Angstroms.
An Auto mechanic spills 91 mL of 2.3 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 1.5 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?
The bank overdraft carries an annual percentage rate of 8% charged monthly. The debentures are currently trading at $309.29 each. Interest is paid half-yearly and they mature in 7 years time. They were originally issued with a face value of $300 with
Excel pro forma financial statements (project 2013,2014,2015 financial statements for base, best, worse case) . part of the excel spreadsheet is provided also the instruction with detail about the company?
How large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine? Although this depends on the size of the person and their respiration rate, according to NASA, an average person n
A 45-year-old woman is receiving a ‘combined modality' treatment for the initial stage of breast cancer. State the two aspects included in this treatment. State the methods by which a radiation oncologist can administer these therapies. Add
Suppose that a sample of gas occupies 73 mL of volume at 25C and a pressure of 266 torr. What would be the volume if the pressure were changed to 645 torr at 25C?
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