A wire with a resistance of 20 Q is connected to a 12V battery. What is the current flowing through the wire? |A

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea

1. what is boyle’s law? • state the definition of the law in words. • what are the assumptions of boyle’s law? • write at least one mathematical equation that represents the law. • what can be calculated with boyle’s law? • using a gas-filled balloon as an example, describe what is happening to the gas molecules inside the balloon before and after you squeeze it.

What mass of iron must be in a hot pack to provide -335kj of heat when the iron reacts with oxygen and is converted to iron (111) oxide according to the following thermochemical equation? 2fe(s) + 1.5o2(g)—> fe2o3(s) delta h= -824.2kj/mol