If a wire 375 feet long has 500 ohms of resistance, what is the resistance of 1,000 feet of the same wire? a. 1,333 ohms

b. 187.5 ohms

c. 1,691 ohms

d. 750 ohms

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

When a scientific theory has been tested and proved by the scientific community, it becomes a law