The distance from the sun to the earth would be which phrase best completes the sentence

12. Which classification describes the Milky Way? regular spiral barred spiral elliptical irregular

Apply the law of conservation of energy to explain how energy is conserved when water evaporates?

A solution has a pH of 8. What kind of solution is it? A. strong acid B. weak acid C. strong base D. weak base

What is the formula for sodium sulfate? a. na (so) b. naso c. naso d. na (so) ?

A community includes A. all of the living organisms in a specific place at a specific time, B. all plants, animals, minerals, and water in a specific place at a specific time, C. only the plants in a specific place at a specific time. D.

What is the correct name for the compound nh4clo4?

What is the molality of a solution when 1.2 moles MgCl2 is stirred in 1000 grams of water?

How many elements are in one molecule of Methane? How many elements are in one molecule of Ammonia? How many elements are in one molecule of Vinyl Alcohol? How many elements are in one molecule of Ethylene?

A banana split contains 1.12 million calories. What is the energy value in kilojoules? a. 1.12 kJ b. 4.686 x 10^3 kJ c. 4686 kJ d. 2.68 x 10^5 kJ e. 268 kJ

2 grams of a substance was dissolved in 75.0 g of water resulting in a temperature decrease from 23.1 ⁰C to 18.7 ⁰C. The specific heat of the solution is 4.18 J/g·⁰C. Calculate the amount of heat associated with the water.