How many significant figures are in the number 50.5

Concerning the 10.0 mL of 0.50 M NaCl to 100 mL of solution: When a solution is diluted, does it change the number of moles dissolved?

Which of the following is an example of the geosphere interacting with the cryosphere? Erosion due to glaciers creates valleys. Frost damages the cells in plant tissues. Plant roots make cracks in rocks and soil.

What are the processes water moves through, in order, as it moves from the surface of a lake to a cloud in the sky?

Which of the following obervations would be classified as a physical change? A) Fireworks releasing light B) Antacid fizzing in water C) Steam condensing on a mirror D) Apple turning brown

Which of the following is not true of chemical changes? A chemical change rarely occurs at the molecular level. Flammability and decomposition are examples of chemical changes. Chemical changes involve a rearrangement of atoms to form new substances.

Which is one possible way the digestive system works together with other body system

Can anyone tell me how to balance chemical equations

Nomadic people received income from where

How many milliliters of 0.755 m h2so4 solution is needed to react with 55.0 ml of 2.50 m koh solution? given: 2 koh (aq) + h2so4 (aq) → 2 h2o (l) + k2so4 (aq) ?

Ammonia is among the top ten synthesized compounds. Its many uses include the manufacture of ammonium nitrate and other fertilizers. Ammonia decomposes at high temperatures. In an experiment to explore this behavior, 2.