Jenny accidentally drops her ring into a graduated cylinder. If the ring has a mass of 5 grams and the water level in the cylinder

rises from 5 mito 7.5 ml, determine the density of the ring.

A: 2 g/mi

B: 50 g/mi

C: 15 g/mi

D: 0.5 g/mi

A sample of air with a volume of 2.20m3 at a pressure of 105 KPa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 KPa. What is the new volume? 6.9 1.34 2.56 43.0 2.88

If the same amount of solid sodium (Na) is used in each reaction, which shape will increase the reaction rate the most? A. The reaction rate is highest when 2 cm2 blocks of sodium are used. B. The reaction rate is highest when sodium powder is used.

An observation that requires measurement is called quantitative observable or qualitative

What causes refraction

When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. what is wrong with your setup, and how can it be corrected?

What is the equivalent mass of HBr in a complete neutralization reaction?

What would be the total mass of the products of a reaction in which 25 grams of table salt decomposes into the elements sodium and chlorine?

How can you tell if a electron configuration is ground state or excited state?

Which statement correctly describes the electrons in a water molecule? Electrons are pulled closer to the hydrogen atoms. Electrons are pulled closer to the oxygen atom. Electrons are located inside the nucleus of the hydrogen atoms.

Which type of rock (metamorphic, sedimentary, igneous) can you find fossils in?