hòa tan 1mol kno3 vào 1 kg nước nhiệt độ đông đặc thấp hơn của nước là 3,01 độ . hằng số nghiệm lạnh cảu nước là 1.86. độ điện ly của nước là

Give the orbital configuration of the phosphorus (p) atom.

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.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.