Category: Physics

Does Bubble Wrap actually work? Ms Edwards said the bubble wrap should also cover the metal window frames, which are “really conductive”. She said many houses in the ACT were poorly insulated. Bubble wrap works by increasing the isolative value of the window, making it effective in keeping the heat out in summer and preventing […]

Which is more accurate 10 mL or 100 mL graduated cylinder? For accuracy the volume on graduated cylinders is depicted on scales with 3 significant digits: 100mL cylinders have 1ml grading divisions while 10mL cylinders have 0.1 mL grading divisions. Class A has double the accuracy of class B. Which has greater precision the 10 […]

What is the fastest accelerating plane? Lockheed SR-71 Blackbird What is the highest Mach speed ever recorded? It’s Official. Guinness World Records recognized NASA’s X-43A scramjet with a new world speed record for a jet-powered aircraft – Mach 9.6, or nearly 7,000 mph. The X-43A set the new mark and broke its own world record […]

What was the Beatles last hit song? The Long And Winding Road How do I know if my Abbey Road is original? Best way to tell if a record is genuine, firstly is by the Matrix number. Its engraved very small near to the label. It should be printed as if its done by hand […]

Which orbitals Cannot form a pi bond? dx2−y2+py sideways overlapping does not form π-bond as the two orbitals do not have proper orientation for the overlap. Was this answer helpful? Can pi bonds be formed in absence of sigma bonds? Yes, there exists pi bonds without coexisting sigma bonds. Here both the bonds of the […]

Is pork done at 170 degrees? Safe Cooking Chart for Pork Internal temperature: 160° F (70°C) – medium; 170°F (75°C) – well done. What is the 2 4 Rule? The 2-hour/4-hour rule is a good way to make sure potentially hazardous food is safe even if it’s been out of refrigeration. Remember to add up […]

Can a 7 year old start her period? Now the average age for a first period is closer to 12, with one University of Cincinnati study reporting that about 10 to 15 percent of girls enter puberty at age 7 or younger, a phenomenon known as precocious puberty. This is up from just 5 percent […]

What is the chemical equation of oxygen? As we inspect this equation we see that there is one carbon atom on each side of the arrow and that there are two oxygen atoms on each side….5.2: Chemical Equations. Element Chemical Formula Hydrogen H2 Oxygen O2 Nitrogen N2 Fluorine F2 What type of reaction is C […]

Is n3 Isoelectronic? Atoms and ions that have the same electron configuration are said to be isoelectronic. Examples of isoelectronic species are N3–, O2–, F–, Ne, Na+, Mg2+, and Al3+ (1s22s22p6). Is Ca2+ Isoelectronic with AR? For atoms/ions: For example, the K+ ion is isoelectronic with argon. Therefore, K+ and Ar are said to be […]

What are the 4 properties of metals? Properties of metals high melting points. good conductors of electricity. good conductors of heat. high density. malleable. ductile. What are the six properties of metals? Metals Lustrous (shiny) Good conductors of heat and electricity. High melting point. High density (heavy for their size) Malleable (can be hammered) Ductile […]