A 2000 mL NaCl solution has a 0.25M concentration. How many moles of NaCl is present in this solution? show answer pl

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.

Avariable that is not being directly tested during an experiment should be