4 (a) Explain, in terms of molecules, how a gas causes a pressure on the walls of its container.[4] (b) Complete the following two sentences.(i) At constant temperature, the pressure of a gas increases as its volume(ii) At constant volume, the pressure of a gas increases as its ...
They take a gas that your body needs to get rid of (carbon dioxide) and exchange it for a gas that your body can use (oxygen). They also work with your heart to make sure your body has the oxygen-rich blood it needs to function properly. In this article, we will take a close ...
Even if you have a gas line already set up, you may still want to consider an electric dryer if you think there's a chance you might be moving in the next couple of years. However, if you're comfortable in your home and you have a gas line ready to go (or can afford to ...
effective measures to prevent plumbing pipe freezing, how to identify frozen pipes, and safe methods for thawing them.
with temperatures up to 1,800 degrees Fahrenheit. In one test, a 7-inch-thick wall of CLT lasted three hours and six minutes—an hour longer than code requirements. The thickness of CLT makes it harder to ignite, and if it does, an outer layer of noncombustible char will shield the as...
For 17 years, Tom Ward and Aubrey McClendon teamed up to build Chesapeake Energy Corp (CHK) into the second-largest natural gas producer in the United States. The two Oklahoma City energy men were a study in contrasts. CEO McClendon was brash and aggress
If either is on the older side, it's likely a candidate for an upgrade. They'll also probably look at the filter in the furnace to ensure it doesn't require replacement. They'll check connections in the ducts in your basement to try and locate any possible leaks where you may be ...
gas and power supply, and then hide under strong furniture such as tables, chairs and beds, and go to wide areas such as parks, squares and playgrounds after the big shake, hold your head and lie down, and pay attention to the above preventive measures in order to survive the earthquake...
When there's a suspect in a crime and the evidence includes a handwritten note, investigators may call in handwriting experts to see if there's a match. In some cases, it might be the one piece of evidence that gets a suspect charged and eventually convicted. But what if it's a false...
Self-service technology can be alifesaver for busy retail outlets. Not only does it allow shoppers to skip long lines in favor of quickly checking themselves out, but a kiosk ups the ante on omnichannel shopping and digital-out-of-home advertising. With kiosks, customers can locate products ...