Consider again the solution made by diluting 10.0 ml of the 0.50 m nacl by adding distilled water until 100 ml of solution are produced.

has the concentration of the diluted salt solution increased, decreased, or remained constant?

Can someone me with questions 15 to 17 plz.

What is the temperature of one mole of helium gas at stp?

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.