Category: Lifehacks

How do you calculate extraction efficiency? (a) The fraction of solute that remains in the aqueous phase after the extraction is given by equation 7.7. 6. The fraction of solute in the organic phase is 1–0.400, or 0.600. Extraction efficiency is the percentage of solute that moves into the extracting phase; thus, the extraction efficiency […]

Can a mother refuse a paternity test in Pennsylvania? If the mother fails or refuses to join in the acknowledgment of paternity, the Dept. of Public Welfare considers it a claim of paternity. This action doesn’t give the putative father any parental rights related to the child except the right to notice of any action […]

Do you need 2 sinks in a commercial kitchen? Large commercial kitchens may have several. You need at least one double sink for washing and rinsing equipment. You are required to have at least one more sink for washing hands. That sink cannot be used for any other purpose. What is the 3 compartment sink […]

What do toddlers wear at gymnastics? Leggings and footless tights are generally fine. For boys, a compression shirt or t-shirt which can tuck in and athletic shorts or compression shorts should work. Gymnasts may wear socks; if they find them slippery, they can be easily removed. What should toddler wear to tumbling class? Athletic wear […]

What is a good scree plot? An ideal curve should be steep, then bends at an “elbow” — this is your cutting-off point — and after that flattens out. In Figure 4, just PC 1,2, and 3 are enough to describe the data. To deal with a not-so-ideal scree plot curve, there are a couple […]

How do I promote my BDC to PDC? A. Log on to a BDC as an Administrator. Start Server Manager (Start – Programs – Administrative Tools – Server Manager) If the PDC is not available then a warning will be displayed “Cannot find Primary DC for “ Click on the BDC you want to promote […]

How Nmap scan all ports? These are all default scans, which will scan 1000 TCP ports….Nmap Target Selection. Scan a single IP nmap 192.168.1.1 Scan a range of IPs nmap 192.168.1.1-20 Scan a subnet nmap 192.168.1.0/24 Scan targets from a text file nmap -iL list-of-ips.txt How does nmap find open ports? Nmap uses raw IP […]

Is a 2011 Nissan Maxima a good car? This is a very nice car with powerful, refined performance, a well-trimmed cabin and plenty of high-tech luxury features. Sporting nearly 300 horsepower, the Maxima can show its taillights to pricier, entry-level luxury cars while its well-developed chassis offers a nice balance between sporty handling and a […]

How do you substitute vi? Press y to replace the match or l to replace the match and quit. Press n to skip the match and q or Esc to quit substitution. The a option substitutes the match and all remaining occurrences of the match. To scroll the screen down, use CTRL+Y , and to […]

Is it possible to fold a paper in half more than 7 times? The commonly accepted wisdom is that you can’t fold a single sheet of paper in half more than seven times. The problem with folding paper in half multiple times is that the paper’s surface area decreases by half with each fold. Why […]