When you hammer a nail, which types of energy are you using? Select all of the correct answers.

potential energy

physical energy

kinetic energy

mechanical energy

What is the density of carbon dioxide, co2, at stp?

If a body of water has high turbidity levels, what can most likely be concluded? A. It has a low pH. B. It is unsafe to drink. C. It is too hot to drink. D. It contains a lot of chemicals.

An atom with high ionization energy will form a positive ion more easily than an atom with low ionization energy. True False

The specific heat capacity of rubidium is 0.360 J/g°C. A sample of rubidium absorbs 40.0 kJ when heated from 12.5 °C to 38.0 °C. Calculate the mass of the rubidium sample.

Construct an explanation of how sodium and chlorine combine to form sodium chloride. A) Chlorine metal loses a valence electron to become a cation and nonmetal sodium gains a valence electron to become an anion.

Sunlight produces a spectrum of colors that includes what?

Which of the following is not a common use of gypsum? a. wallboard/drywall for homes b. a primary ingredient for toothpaste c. surgical splints and casts d. pH reducing agent for acidic soils

In which of the following are the symbol and name for the ion given correctly A. NH4+: ammonia; H+: hydride B. C2H3O2-: acetate; C2O4-: oxalite C. OH-: hydroxide; O2-: oxide D. PO3 3-: phosphate; PO4 3-: phosphite

If you add a large piece of zinc to a beaker of acid and, in a separate beaker, zinc shavings to a beaker of acid (of equal concentration/volume), the sample with the zinc shavings will react faster than the sample with the large piece.

How many atoms of oxygen are in 0.100 miles of silicon dioxide, SiO^2