What is the number of parts per million by mass
The vapor pressure of Hg in air is 0.0020 mmHg at 300K and density of air at 300K is 1.18 g/L.
(a) Find the concentration of Hg vapor in air in mol/L
(b) What is the number of parts per million (ppm) by mass ofHg in air?
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The radiation detector known as a Geiger counter uses a closed, hollow, cylindrical tube with an insulated wire along its axis. Suppose a Geiger tube, as it's called, has a 1.0mm-diameter wire in a tube with a 25mm inner diameter. The tube is fill
An electric circular saw is designed to reach its final angular speed, starting from rest, in 1.40 s. Its average angular acceleration is 325 rad/s2. Obtain its final angular speed.
An engineering stress of 291 MPa causes an engineering strain of 0.030 in a cylindrical 304 stainless steel rod. What is the engineering stress (MPa) in the rod when supporting the load?
A basketball player is balancing a spinning basketball on the tip of his finger. The angular velocity of the ball slows down from 20.0 to 13.9 rad/s, during the slow down the angular displacement is 85.4 rad. Determine the time it takes for the ba
Find the concentration of Hg vapor in air in mol/L What is the number of parts per million (ppm) by mass ofHg in air?
What pressure would 131g of xenon gas in a vessel of volume1.0 dm^3 exert at 25 C if it behaved as a van der Waals gas?
In a simple random sample of 80 automobiles registered in a certain state, 32 of them were found to have emission levels that exceed a slate standard. How many automobiles must be sampled to specify the proportion that exceed the standard to withi
At 500 C and 93.2 kPa, the mass density of sulfur vapor is3.710 kg/m^3. What is the molecular weight of sulfur under these conditions?
A gas at 250 K and 15 atm has a molar volume 12% smaller than that calculated from the perfect gas law. Calculate the compression factor of this gas under these conditions.
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but I would like to discuss to what extent employers should/should not influence or curb political participation in their workplaces.
Suppose you are the head of an island nation with a poor, growing population and the natural resources of the island are being degraded.
Question: What was the economic and political impact, if any protect the health and welfare to citizens ?
Problem: Article 3 of the Texas Constitution sets up the Texas Legislature. It also does which of the following?
Summarize how the ERA can be ratified and explain why this is the most likely way. You will draw on instances that are important to you
Which amendment to the U.S. Constitution is often called the "States' Rights Amendment" and is commonly used by states to challenge
Mechanisms of State-Led Development:** - **Industrial Policy:** Both countries used targeted industrial policies to support specific sectors, such as electroni