You add an excess of solid in 370 g of water. You measure the freezing point and find it to be –0.015°C. What is the of the solid? The molal freezing-point depression constant for water is 1.86°C kg/mol. Assume a solution density of 1.0 g/mL. =

Which of the following provides support and protection for many insects a) muscle b) skeleton c) spinal cord d) exoskeleton

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

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .