Kobe adds 60 grams of the salt NH4Cl to 100 mL of water at 70°C. He then adds 20 grams more to the water without changing the temperature. What will happen to the added 20 grams?

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood