A 40 kg dog is sitting on top of a hillside and has a potential energy of 1,568 J. What is the height of the hillside? (Formula:

PE = mgh)

O 3.9 m

O 40 m

O 39.2 m

O 400 m

Why is water classified as a renewable resource? A). Water is constantly being recycled through earth's system. B.) Groundwater that is rarely used makes up 80% of the earth's water. C).

An observation which is descriptive is considered: quantitative qualitative

The barometer shown in fig. p1.35 contains mercury (5 13.59 g/cm3). if the local atmospheric pressure is 100 kpa and g 5 9.81 m/s2, determine the height of the mercury column, l, in mmhg and inhg.

What is the entropy of a solid based on

What does your lunch, your ride to school, and the polar bears lost of habitat have in common?

Consider the reaction: 8H2S (g) + 4O2 (g) →8H2O (g) + S8 (g). Δ[H2S]/Δt = - 0.033M/s. Find Δ[O2]/Δt. Δ[H2O]/Δt. Δ[S8]/Δt. Find the rate of the reaction.

At room temperature and pressure what is the volume of one mole of oxygen?

Ibuprofen, a common pain remedy, has an empirical formula of C7H9O and a molar mass of approximately 218.078 grams per mole. What is the molecular formula of ibuprofen?

Copper (cu) is a transition element used in the making of coins. calculate the mass in grams of 0.0420

In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below.