pedro swam some laps in the pool and then swam 2 more.... algebraic expression
estimate each quotient 246.78/83?
what happens to a liquid when it releases enough energy?
Can someone help draw/explain the Lewis Dot Structure for OPBr3. I've tried different things, but none of them seem to work.
This answer is just so wrong, why do morons bother posting wrong !@#$%^& on this website?
In a lightning storm, the number of seconds between the flash and the bang varies directly with the number of miles you are from the lightning. It takes 15 seconds for the thunder sound to reach you from lightning that is 3 miles away. If the thunder sound reaches you in 1 sec...
When you scuba dive, the added pressure due to the water varies directly with your depth. At 20 feet, the added pressure is about 9 pounds per square inch. a) If an amateur diver can safely stand an added pressure of 30 (psi), how deep could he dive? b) A sunken submarine lies...
Why is energy released in order to react two atoms to form a compound? For instance the reaction between sodium metal and chlorine gas is highly exothermic and produces NaCl(s). Meanwhile when an atom loses an electron, it will be endothermic. Can someone try to explain this a...
The distance between two towns on a map varies directly with the actual distance between the towns. Seven and a half inches on the map represents 150 miles. What is the actual distance represented by 11 inches on the map?
An 8-ounce weight stretches a spring 10 cm. How much weight will stretch the spring 15 cm?