Justine's hair dryer has a resistance of 20 Ohms when first turned on. How much current does the hair dryer draw from the 110.-V line in Justine's house? (Answer in amps)

Given the balanced ionic equation: Zn (s) + Cu2 + (aq) → Zn2 + (aq) + Cu (s) Which equation represents the oxidation half reaction?

Why were Opportunity and Spirit sent to Mars' surface?

What ions are released when acid is mixed with water

How many atoms of hydrogen are found in 12.6 moles of water?

The heart is protected from the bones by the.

The Large Hadron Collider is a particle accelerator that may be able to provide insight into the most fundamental structure of matter. It is 27 km long.

Explain how plantesimals differ from protoplanets

Which of the following are correct statements? Check all that apply. A. A neutron is a neutral particle in the nucleus. B. A proton is a positively charged particle that orbits the nucleus. C.

What is the empirical formula for propene (C3H6) ?

Which substance, when dissolved in water, forms a solution that conducts an electric current