Which tools are used to measure weather? Choose all answers that are correct. A. barometer B. rain gauge C. anemometer D. speedometer

Choose all the answers that apply. Which of the following are ways to reduce wind erosion? create windbreaks cut down trees irrigate dry fields plant trees remove dead leaves

Indicate whether the following are acidic, basic, or neutral solution A. [H2O+]=6.0x10^-12 B. [H3O+]=1.4x10^-9 C. [OH-]=5.0x10^-12 D. {OH-]=3.5x10^-10

Using the volumes of sodium thiosulfate solution you just entered, the mass of bleach sample, and the average molarity of the sodium thiosulfate solution entered earlier, calculate the mass percent of NaClO for each bleach sample.

Substance X has a fixed volume, and the attraction between its particles is strong. Substance Y has widely spread out particles and can be compressed. What can most likely be concluded about these substances?

How do elements on the right side of the periodic table differ from elements on the left side of the table? a) Elements on the right side are much less reactive. b) Elements on the right side can form compounds and those on the left cannot.

In a crystal lattice of an ionic compound, A. Kind of a given charge are clustered together B. Ions are surrounded by ions of the opposite charge C. A sea of electrons surrounds the ions D. Neutral molecules are present

Discuss why two objects of made of the same type of matter at the same starting temperature with different masses increase in temperature at different rates when the same amount of thermal energy is transferred to each object.

An isotope contains 56 protons, 54 electrons, and 74 neutrons. What is the identity of the isotope?

How many ozone particles are needed to form 24 particles of oxygen gas?

Calculate the molality of a 27.0% (by mass) aqueous solution of nitric acid.