Which method is the first step when scientists communicate their scientific results?

When salt sand and water is poured through a filter?

A mixture of 4.0g H2 (g) and He (g) in a 4.3L flask is maintained at 0°C. Determine the total pressure in the container?

A flask contains an equal mixture of oxygen and argon. Which of the following statements is true about the effusion of the gases? Argon will effuse 1.07 times faster than oxygen. Oxygen will effuse 1.19 times faster than argon. Oxygen will effuse 5.

What are the electron configurations of an electrically neutral atom of sodium, electrically neutral atom of neon, and electrically neutral atom of oxygen?

Which place would have a mild climate

An atom of oxygen (atomic number 8) with an atomic mass of 16 would have how many neutrons?

Chlorophyll reflects which of these colors? a. red b. blue c. green d. yellow

Extracting oil from shale deposits a has been initiated on a large scale in the United States and will soon surpass Canada's production. b involves removing and refining waxy hydrocarbons called kerogen.

Which shows the levels of organization within an ecosystem from largest to smallest?

the physical properties of 10 grams of iron are the same as the ___ properties of 20 grams of iron a) reactive b) physical c) chemical