At science camp, the kitchen served half of their blueberries with breakfast. After dinner, they put the remaining 5,270g of berries on top of their ice cream dessert How many kilograms of blueberries did the science camp start with?

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver