When hydrogen atoms are energized by electricity, what is observed?
a) an emission spectrum of specific colors only
b) a continuous spectrum of light
c) neither a or b

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.