What is the molecular geometry of a molecule with 3 outer atoms and 1 lone pair on the central atom? # of bonding groups/domains on ‘central’ atom # of lone pair electrons on ‘central’ atom Molecular Geometry 3 0 trigonal planar 2 1 bent 4 0 tetrahedral 3 1 trigonal pyramidal What is the shape…
Category: Useful Tips
What was the life expectancy of Europeans during the Middle Ages?
What was the life expectancy of Europeans during the Middle Ages? Variation over time Era Life expectancy at birth in years Early middle ages (Europe, from the late 5th or early 6th century to the 10th century AD) 30–35 Medieval Islamic world >35 Pre-Columbian Mesoamerica >40 Late medieval English peerage 30–33 What was the average…
What is the potential of the half-reaction?
What is the potential of the half-reaction? The potential of a half-reaction measured against the SHE under standard conditions is called the standard electrode potential for that half-reaction.In this example, the standard reduction potential for Zn2+(aq) + 2e− → Zn(s) is −0.76 V, which means that the standard electrode potential for the reaction that occurs…
What is a GIS web Portal?
What is a GIS web Portal? Portal for ArcGIS is a component of ArcGIS Enterprise that allows you to share maps, scenes, apps, and other geographic information with other people in your organization. The content that you share is delivered through a website. You can customize the website to fit your organization’s look and feel….
Where is auto sum in Excel?
Where is auto sum in Excel? Use AutoSum to sum numbers To sum a column of numbers, select the cell immediately below the last number in the column. AutoSum is in two locations: Home > AutoSum, and Formulas > AutoSum. Once you create a formula, you can copy it to other cells instead of typing…
How do you allow cookies in Firefox?
How do you allow cookies in Firefox? Enable cookies FIREFOX Open Firefox browser and in menu choose Preferences. In preferences search for Privacy tab. Search for a PRIVACY section and then look for History section. In a Firefox will: change remember history to Use custom settings. Find a checkbox Accept cookies from sites and choose…
How long does it take to get over community acquired pneumonia?
How long does it take to get over community acquired pneumonia? With treatment, most people improve within 2 weeks. Older adults or very sick people may need longer treatment. Those who may be more likely to have complicated pneumonia include: Older adults. What is the difference between community acquired pneumonia and pneumonia? Pneumonia is a…
Why are law firms targeted by hackers?
Why are law firms targeted by hackers? However, law firms are especially attractive targets for cybercrime due to the sensitive nature of their work, which requires them to handle large amounts of highly confidential client data. In fact, in the case of Panamanian law firm Mossack Fonseca and Company, a data breach became an existential…
Does Harbor Freight take expired coupons?
Does Harbor Freight take expired coupons? Harbor Freight does not accept expired coupons, but in most cases, you can find a valid coupon for the item in which you are looking for online. Is Harbor Freight still doing coupons? The Harbor Freight Monthly Coupon Book has gone digital! Whether customers want to print coupons and…
How long does it take to get used to wearing scleral lenses?
How long does it take to get used to wearing scleral lenses? Scleral lenses are generally quite comfortable, but in some cases, it could take up to 10 days to get used to your new lenses. Your optometrist will guide you on how to shorten the adjustment period and make scleral lens wear as comfortable…