Why does some friction occur with seemingly smooth surfaces?

When the temperature in a room increases from 25c to 33c what changes from a solid to a liquid

If you observe a full moon on January 12th on what date would you observe the next moon

What is the mass of NaCl required to make 160 grams of a 12% solution of NaCl in water? 1) 18 grams 2) 19 grams 3) 22 grams 4) 24 grams

Of the rock's original uranium-235 remains. how old is the rock

Iron nails do not get rusted when kept in distilled water even for a long time. Give reason

The two forms of oxygen, O2 (g) and O3 (g), have (1) different molecular structures and identical properties (2) different molecular structures and different properties (3) identical molecular structures and identical properties (4) identical

What is the difference between a distraction and a reaction

if carbon which has an electrongavity of 2.5 bonds with hydrogen, which has an electrongavity of 2.1, the bond between the two atoms will be classified as a (n) covalent bond

If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products? A. 12 atoms of carbon (C) B. 6 atoms of carbon (C) C. 3 atoms of carbon (C) D. 2 atoms of carbon (C)

Car Q and z are put though an endurance test to see if they can travel at 120 km/h for 5.0 hours. Each car has a 45-L fuel tank. Car z must stop to refuel after traveling for 4.2 hours. Car Q, however, travels for 5.4 hours before running out of gas.