The map below shows the range of three types of grasslands in the United States. What do tallgrass prairies have that shortgrass prairies lack?
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Blue: Shortgrass prairie
Purple: Mixed grass prairie
Green: Tallgrass prairie
A. Infertile soil
B. Cedar breaks
C. More rainfall
D. Rain shadows

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.